LeemerChat | LeemerChat

Let Auto Pick the Perfect Model

Smart Default

Don't know which model to choose? Leemer Auto is your personal model scout. It reads your prompt, checks for images or files, and instantly routes to the best specialist—whether you need blazing speed, deep reasoning, coding expertise, or vision intelligence.

How Auto works:

1. You ask anything

Type your question naturally—Auto analyzes the vibe (coding, research, quick answer, etc.)

2. Auto picks the specialist

A fast Llama 3.1 8B brain chooses from our curated lineup—coding models for bugs, vision models for screenshots, research models for citations, etc.

3. Get the best answer

Your response comes from the perfect model for the job—no dropdown hunting required

Vision-aware routing

Upload a screenshot or diagram and Auto automatically switches to our vision-language models like Qwen3-VL or Gemini 2.5 Flash.

Coding detection

Mention code, bugs, or errors and Auto routes to specialized coding models for accurate help.

Research mode

Ask about current events or need citations? Auto picks Perplexity Sonar for live web search and numbered sources.

Speed vs. depth

Auto balances the trade-off: fast models for quick queries, thinking models for complex analysis—all automatic.

Pro tip: Set Auto as your default model in Settings. It'll handle 90% of queries perfectly, and you can still manually switch to any model when you want specific behavior.

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Switch Models in the Same Chat

Game Changer

Ever felt stuck with ChatGPT or Claude and wished you could try a different AI without starting over? With LeemerChat, you can switch models mid-conversation without losing context.

Example:

• Start with GPT-5.1 Chat for creative writing
• Switch to Claude Sonnet 4.5 for code analysis
• Try Grok-4.1-Fast for fast responses

Why it matters: Different models have different strengths. Claude excels at code, GPT-5.1 Chat is creative, and Grok is lightning-fast. Mix and match to get the best of all worlds—something you can't do on ChatGPT or Claude where you're locked into one provider.

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Use Ultra-Fast Models for Instant Responses

Speed Demon

Need answers now? Some models run on specialized hardware that delivers responses at incredible speeds.

GPT-OSS-120B

Runs on Cerebras inference

Get responses 10x faster than traditional models. Perfect for brainstorming, quick answers, and rapid iteration.

Grok-4.1-Fast

Runs on Groq hardware

Blazing-fast responses with a massive 2M token context window. Great for long documents and extended conversations.

Gemini 2.5 Flash

Google's fastest model

Lightning-fast streaming with 1M token context. Excellent balance of speed and intelligence for everyday tasks.

GPT-5 Mini

OpenAI's efficient powerhouse

Compact yet capable, with 300K token context. Fast responses without sacrificing quality for most use cases.

Pro tip: Use fast models for quick queries, then switch to more powerful models like Claude or Gemini when you need deeper analysis.

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Need Image Understanding? Just Switch!

Vision

Having a conversation and need to analyze an image? No problem—just switch to a vision-enabled model.

Qwen3-VL-235B

235B parameters with vision

Upload images, diagrams, or screenshots and get detailed analysis. Supports OCR, visual reasoning, and more.

Gemini 2.5 Pro

Google's most capable vision model

Understands images, PDFs, videos, and complex visual data with deep reasoning capabilities.

Real example: Chatting about math → need to analyze a graph → switch to Qwen3-VL → get instant visual analysis → switch back to your preferred model. All in one conversation.

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Long Conversations? Switch to Grok-4.1-Fast

Memory Master

Need to reference a lot of context from earlier in the conversation? Models with large context windows remember everything.

Grok-4.1-Fast: 2,000,000 tokens

That's equivalent to ~4,000 pages of text. Perfect for analyzing entire codebases, long documents, or extended research sessions.

Claude Haiku 4.5: 200,000 tokens

Anthropic's fastest model with near-frontier intelligence. Perfect for real-time applications, coding tasks, and high-volume deployments with vision support.

Why this matters: ChatGPT's GPT-4 has only 128K tokens. With LeemerChat, you get models with up to 16x more memory.

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Share Chats Without Accounts

New

Want to send a conversation to someone outside your workspace? Generate a share link and they can view it instantly—no LeemerChat account required. Perfect for teammates, clients, or friends who just need to read along.

How it works:

• Click the Share icon in the chat sidebar.
• A dialog opens with options to copy the link, open it, or share directly on X.
• Recipients can read the entire conversation right away—no login barrier.

Pro tip: If they later sign in, the shared page offers a Continue conversation button so they can import the thread and pick up where you left off.

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Deep Thinking Models for Complex Problems

Advanced Reasoning

Need deep analysis or complex problem-solving? Some models are specifically designed to think through problems step-by-step.

Claude Sonnet 4.5

Anthropic's reasoning powerhouse

Extended thinking process for nuanced analysis. Excellent for complex coding, research, and multi-step reasoning tasks.

GPT-5.1 Chat

OpenAI's most capable model

Advanced reasoning with extended context. Perfect for strategic thinking, complex analysis, and creative problem-solving.

GLM-4.5

Zhipu AI's thinking model

Deep reasoning capabilities with vision support. Great for technical analysis and understanding complex systems.

When to use: Research papers, code debugging, strategic planning, ethical dilemmas, or any task requiring careful consideration and multi-step analysis.

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Gemini 3 Pro: Google's Flagship Frontier Model

New

Google's most precise multimodal model is here! Gemini 3 Pro delivers state-of-the-art performance across text, image, video, audio, and code with a massive 1M-token context window.

Advanced Reasoning & STEM

Consistently high benchmark scores

Top performance on LMArena, GPQA Diamond, MathArena Apex, and MMC reasoning benchmarks. Trust Gemini 3 Pro when every deduction matters.

True Multimodal Fidelity

Vision, audio, video, PDF support

Upload product videos, lab audio, whiteboard snapshots, or dense PDFs and get grounded reasoning in one chat. Perfect for audit trails, design reviews, or user research.

1M-Token Context Window

Massive memory for complex tasks

Feed entire playbooks or multi-quarter roadmaps without trimming context. Gemini 3 Pro keeps the thread intact while LeemerChat's UI helps you see exactly what's in scope.

Limited Time Offer:

100 Free Messages Daily! For a limited time, all LeemerChat users get 100 free Gemini 3 Pro messages per day. No impact on your regular plan limits.

Enable in Settings → API Keys → Labs Preview section. Use promo code gemini to activate.

Learn more about Gemini 3 Pro

Pro tip: Use Gemini 3 Pro for heavy analysis, then switch to faster models like Grok-4.1-Fast or GPT-5 Mini for rapid rewrites and stakeholder-ready summaries. All in one conversation!

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Web Access on ALL Models

Internet Connected

Need real-time information? Just toggle the web access button (WiFi icon) and any OpenRouter-based model can search the internet.

Use cases:

• Get latest news and current events
• Research recent developments in any field
• Compare product prices and reviews
• Find up-to-date technical documentation

Not available in: ChatGPT free tier requires Plus for web search. Claude doesn't offer web search at all. LeemerChat gives you this on every model.

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Collaborate with Multiple AI Models

Power Feature

Use the @mention system to get insights from multiple AI models in a single conversation!

How to use @mentions:

@grok-4.1-fast{check for security issues}

Type @ to see available models, then add instructions in curly braces

@claude-sonnet-4.5{review code quality}

Each model gets your question + their specific instruction

Parallel Mode (Default)

• All models run at once
• Fast results
• Main model sees all insights

Sequential Mode

• Main model answers first
• Others critique/refine
• Deeper analysis

Example: Ask "How should I structure my React app?" with @claude{focus on architecture} and @grok{focus on performance} to get specialized insights!

Ask multiple models at once

@grok-4.1-fast{security concerns}
@claude-sonnet-4.5{review code quality}

How should I implement auth in React?

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Compare AI Responses with Branches

Advanced

Got an answer but want to see how a different model would respond? Use the regenerate button and switch models. Your original answer is saved in a branch!

How it works:

1. Get an answer from GPT-4
2. Click regenerate → switch to Claude
3. Compare both responses side by side
4. Continue the conversation from whichever answer you prefer

Why this rocks: Instead of copying your question to different chat apps, compare multiple AI perspectives in one place. Choose the best answer and keep going.

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Code It: Generate Live HTML Apps

Developer

Turn your ideas into live, interactive HTML apps instantly. Code It generates complete single-file web applications with inline CSS and JavaScript—no setup, no build tools, just instant previews.

How Code It works:

1. Describe your app

Tell the AI what you want to build—a calculator, a game, a landing page, or any interactive web app

2. AI generates the code

Specialized coding models (Claude Sonnet 4.5, GPT-5-Codex) create a complete, self-contained HTML file with modern CSS and vanilla JavaScript

3. See it live instantly

Watch your app render in real-time as the code streams in. The preview updates live—no refresh needed

4. Iterate with follow-ups

Request changes like "make the header sticky" or "add dark mode toggle"—the AI applies smart patches without regenerating everything

Patch-based edits

Follow-up changes are applied as surgical patches—append CSS/JS or replace specific elements—instead of regenerating the entire file.

Live preview

See your app render in a sandboxed iframe as code streams. The preview dominates the screen for maximum visibility.

Compact code view

Code is collapsed to first 100 lines by default with a 'Click to expand' button. Focus stays on the working app.

Persistent saves

Every generated app is saved automatically. Revisit /code/[slug] anytime to see your saved work instantly.

Pro tip: Use Code It from any chat by describing your app. The AI will generate a link to the live preview. You can then iterate with natural language edits like "add a contact form" or "change colors to blue".

Best models for Code It: Claude Sonnet 4.5 (complex apps), GPT-5-Codex (creative designs), Qwen3-Coder-Plus (expanded reasoning)

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Upload Files & Documents

Multimodal

Upload documents, images, and files to chat about them with AI models that support vision and document analysis.

Documents

• PDF parsing & analysis
• Text extraction
• Document summarization

Images

• Image analysis
• OCR text extraction
• Visual Q&A

Pro tip: Files stay in conversation context, so you can reference them in follow-up questions. Ask "What's in this document?" or "Summarize the key points from the PDF"

Supported models: Gemini, GPT-4o, Claude Sonnet, and other vision-capable models

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Keyboard Shortcuts for Power Users

Productivity

Navigate faster with keyboard shortcuts designed for efficiency.

Send messageEnter

New lineShift + Enter

Focus input/

Open settingsCmd/Ctrl + ,

@mention models@

Navigate autocomplete↑ ↓

Pro tip: Use Tab or Enter to select from autocomplete, Esc to cancel. Keyboard shortcuts work across all themes and platforms!

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Try Leemer Deep Research 80B

Exclusive

Our in-house custom model, built from the ground up for research and analysis.

80B Parameters (Mixture-of-Experts)

Only ~3B parameters active per generation, making it incredibly fast while maintaining quality. Streams at 150+ tokens/second.

Research-Tuned

Fine-tuned specifically for multi-source investigation, competitive analysis, literature reviews, and high-quality synthesis with citations.

Perfect for: Academic research, market analysis, technical documentation reviews, or any task requiring deep investigation with cited sources.

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Automate with Agent-Leemer-K2

Agentic AI

Need more than chat? Agent-Leemer-K2 is our flagship agentic model that can actually do things for you.

8,000+ Tools via Zapier MCP

Connect Gmail, Slack, Google Drive, Notion, Asana, and thousands more. Agent-Leemer can read your emails, create documents, search your files, and orchestrate multi-step workflows.

Real examples:

• "Search my Gmail for emails about the project and summarize them in a Notion page"
• "Find my Google Drive files related to Q4 planning and create a summary report"
• "Check my Slack messages from today and draft responses to urgent items"

Powered by: Kimi-K2 (251K context) running on Groq inference. Lightning-fast agentic workflows with massive memory for complex tasks.

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Email Agent: AI Copilot in Your Inbox

Pro Feature

Stop switching tabs. Email agent@leemerchat.com to summarize threads, answer questions, or digest attachments—and get intelligent, cited replies without leaving your inbox.

Works Like Email Should

No new apps to learn

Just email agent@leemerchat.com like you would a colleague. The agent remembers your conversation, keeps your files, and invites follow-ups naturally.

ChatGPT-Level Intelligence

LeemerChat superpowers in email

Get Harvard-style citations, research-backed answers, and document summaries that actually understand context. All powered by the same models you use in chat.

What you can do:

• Summarize threads: Forward a 47-email chain and ask "What did I promise?"
• Answer anything: Contract questions, competitive analysis, dinner ideas—just ask
• Digest documents: Attach PDFs, decks, spreadsheets up to 25 MB with full analysis
• Research with citations: Automatic web search, fact-checking, and Harvard-style references

Standard (Free)

• Up to 50 emails/day
• Fast, capable models
• Full citation support
• Perfect for summaries

Pro ($14/month)

• 2,000 messages/month
• Premium models (Claude, GPT-5.1)
• Personalized replies
• Priority processing

How it works: Send an email to agent@leemerchat.com. Within 60 seconds, you'll get a polished reply with citations, file references, and an invitation to continue the conversation. View all threads at /reports/email-agent.

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Email Auto-Researcher: Research Reports via Email

Research

Need comprehensive research but don't want to wait in chat? Email your research prompt and receive a publication-quality report with citations, sources, and detailed analysis—all delivered to your inbox.

Same Research Pipeline

Auto-Research via email

Submit your research prompt via email with optional links and files. The system processes your request through multiple stages: quick scan, deep research, synthesis, and formatting—then emails you a beautifully formatted HTML report.

How to use:

1. Email agent@leemerchat.com with your research question
2. Attach any relevant files or include links in your email
3. Specify research depth: Fast, Standard, or Deep
4. Receive a comprehensive report (1500-2500+ words) with Harvard-style citations via email

Report Features

Every report includes an executive summary, detailed findings with inline citations [1], [2], analysis & context, risks & opportunities, methodology, and a complete sources section with clickable URLs.

Perfect for: Academic research, market analysis, competitive intelligence, literature reviews, or any task requiring comprehensive investigation with cited sources. Works seamlessly with the regular Email Agent—just mention you want a research report!

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Install LeemerChat as a Real App

PWA

LeemerChat works as a full Progressive Web App (PWA). Add it to your home screen and use it just like a native app!

Benefits:

• Full-screen experience - No browser bars or distractions
• Offline-ready - Access your chat history even without internet
• Native feel - Works just like an app from the App Store
• Quick launch - Tap the icon and start chatting instantly

iOS (Safari)

1. Tap the Share button
2. Scroll and tap "Add to Home Screen"
3. Tap "Add" to confirm

Android (Chrome)

1. Tap the menu (⋮)
2. Tap "Install app" or "Add to Home screen"
3. Tap "Install" to confirm

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Customize with Beautiful Themes

Personalize

Make LeemerChat truly yours with stunning color themes and dark/light modes.

Classic Red

Clean white with elegant red accents

Sakura Dream

Vibrant pinks with cherry blossom tones

Forest Emerald

Natural earthy greens with amber accents

Grayscale

Professional grey and white theme

How to change: Go to Settings → Click the theme icon in Account section. Choose your color theme and toggle between light/dark mode. Changes apply instantly!

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Personalize AI to Know You Better

Customization

Tell the AI about yourself so it can give you better, more personalized answers.

What you can customize:

Your Name

Let the AI address you personally

Your Role

"Software Engineer", "Student", "Designer", etc.

Your Interests

Topics you care about: "AI, coding, startups"

Assistant Traits

How you want the AI to respond: "concise", "friendly", "technical"

Example: Set your role as "Marketing Manager" and interests as "content strategy, social media" → AI will tailor explanations with relevant marketing examples and terminology.

Find it: Settings → Customization section

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Connect with 6,000+ Apps via Zapier

Automation

Supercharge your workflow by connecting LeemerChat with thousands of apps through Zapier. Automate everything!

What You Can Automate:

Email Integrations

• Auto-send Gmail summaries to AI
• Draft email responses automatically
• Create Outlook calendar events from chats

Team Communication

• Send AI insights to Slack channels
• Post summaries to Discord servers
• Update Microsoft Teams automatically

Productivity Tools

• Create Notion pages from AI responses
• Add tasks to Asana/Trello/Jira
• Update Google Sheets with data

Cloud Storage

• Save chats to Google Drive
• Backup to Dropbox automatically
• Archive important convos to OneDrive

Popular Integration Examples:

AI Meeting Summaries → Slack

Auto-post to your team channel

After a meeting, ask LeemerChat for a summary, then automatically post it to your Slack channel with timestamps and action items.

Email Analysis → Google Sheets

Track important metrics

Analyze customer emails and automatically log sentiment, urgency, and key points to a Google Sheet for tracking trends.

Research Insights → Notion

Build your knowledge base

Use Leemer Deep Research, then automatically create formatted Notion pages with sources, summaries, and key findings.

How to Connect:

1. Sign up for a free Zapier account at zapier.com
2. Search for "LeemerChat" or use webhooks/API integrations
3. Choose your trigger (new chat, specific keyword, etc.)
4. Select your action app (Slack, Gmail, Notion, etc.)
5. Configure and activate your Zap!

Connect with 6,000+ apps including:

+ thousands more via Zapier

Pro tip: With Agent-Leemer-K2's agentic capabilities + Zapier automation, you can build powerful workflows that run entirely on autopilot. The AI does the thinking, Zapier does the doing!

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Add Your Groq API Key for Blazing Fast Models

Pro Tip

Want access to super-fast models with zero cost on our side? Add your free Groq API key and unlock lightning-speed inference!

Why Groq is Amazing:

• 100% Free - Groq gives generous free tier
• Insanely Fast - Specialized hardware for 10x speed
• You only pay Groq - Zero cost on LeemerChat
• Great models - DeepSeek, Llama 4, and more

Models you'll unlock:

Llama 4 Maverick

Meta's latest, running on Groq

131K context window. Fast and capable for everyday tasks with Meta's newest architecture.

DeepSeek R1 Distill Llama 70B

Reasoning powerhouse

128K context with deep reasoning capabilities. Think through complex problems step-by-step.

Qwen 3 32B

Blazing fast responses

32K context, optimized for speed. Perfect for quick queries and rapid iteration.

How to set it up:

1. Go to console.groq.com and sign up (free)
2. Create an API key in your Groq dashboard
3. Go to LeemerChat Settings → API Keys section
4. Paste your Groq API key and save
5. Start using Groq models immediately!

Privacy note: Your API key is stored locally in your browser, never on our servers. Requests go directly from your browser to Groq. We never see or log your API key.

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Powerful Built-in AI Tools

No API Keys Needed

LeemerChat comes with powerful built-in tools that work across all models—no setup required!

Time & Date

• Current time in any timezone
• Time zone conversion
• Sunrise/sunset times

Finance

• Live currency conversion
• Real-time crypto prices
• Market cap & 24h changes

Weather

• Current weather anywhere
• 6-hour forecasts
• MET Norway data

Utilities

• Math calculations
• UUID generation
• Text slugification

Geographic

• Public holidays by country
• Reverse geocoding
• Location data

Advanced Search

• Web, images, news search
• GitHub repo search
• Full page extraction

Just ask naturally: "What's the weather in Tokyo?" or "Convert 100 USD to EUR" or "What time is it in New York?" The AI automatically uses the right tool!

Weather example

What's the weather in Tokyo right now?

Currency example

Convert 100 USD to EUR and show the rate.

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AI Image Generation

Beta

Generate stunning images with AI using Google Gemini's image generation models.

How to generate images:

1. Select an image generation model (look for "imagen" in the model list)
2. Describe what you want to create in detail
3. The AI generates a high-quality image based on your prompt
4. Download or share your generated image

Example prompts: "A futuristic city at sunset with flying cars" or "A cute robot reading a book in a cozy library" or "Abstract art with vibrant colors and geometric shapes"

Note: Image generation is currently in beta. Requires a Google Gemini API key in Settings.

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Advanced Web Search with Firecrawl

Research

Powered by Firecrawl, our web search engine delivers comprehensive search results with full page content extraction—perfect for research and analysis.

Search Capabilities:

Web Search

Up to 100 results per query

Image Search

Find relevant images

News Search

Advanced Features:

• Full page extraction: Get complete markdown content from any URL
• Paste a link, get the context: Drop any URL into chat and every model you switch to sees the full article. Claude or ChatGPT still can’t do this natively.
• Time filters: Search recent content (past day, week, month)
• Location targeting: Get region-specific results
• Research papers: Search academic sources
• Automatic retries: Reliable results with smart retry logic

Research example

Give me the latest updates on Llama 4 vs Qwen3 this week and cite sources. Focus on performance, context length, and licensing.

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Way Cheaper Than ChatGPT Plus

Save Money

Let's talk numbers. Why pay $20/month for ChatGPT Plus when you can get more for less?

ChatGPT Plus

$20/mo

• Only GPT-5.1 Chat & GPT-4o
• Limited web search
• Rate limited during peak
• One provider only

LeemerChat Free

$0/mo

• All partner models
• Web access on all models
• Switch models freely
• GPT + Claude + Gemini + More

LeemerChat Pro (Monthly)

Best value for power users

$14

/month

• 2,000 messages/month across all models
• Priority routing & faster responses
• Access to premium exclusive models (GPT-5.1 Chat, Claude Sonnet 4.5, Gemini 3 Pro)
• Email Agent with premium models
• Better rates than pay-as-you-go APIs

Search "Leemer Pro" for more info!

Pre-Pay Plans

Save more with bulk credits

Save Up to 30%

Purchase credits in advance and never run out mid-task. Perfect for teams, agencies, or anyone who wants predictable costs.

• Discounts on bulk credit purchases
• Credits never expire
• Use across all models and features
• Perfect for high-volume usage

Check Settings → Account for pre-pay options

For power users: Want access to premium models like Claude Sonnet 4.5, GPT-5.1 Chat, or Gemini 3 Pro? Choose between monthly Pro ($14/month) or pre-pay plans for bulk credits. Both options are way cheaper than ChatGPT Plus at $20/month!

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Auto-Research: AI-Powered Research Reports

Research

LeemerChat's Auto-Research feature generates comprehensive, publication-quality research reports with citations, sources, and detailed analysis—all delivered via email. Perfect for academic research, market analysis, competitive intelligence, and any task requiring deep investigation.

How It Works

Submit your research prompt with optional links and files. The system processes your request in the background through multiple stages: quick scan, deep research, synthesis, and formatting. You receive a beautifully formatted HTML report via email with Harvard-style citations.

Research Pipeline:

1. Quick Scan

Fast initial research using Perplexity Sonar Reasoning Pro to identify key angles and authoritative sources.

2. Deep Research

Comprehensive investigation using specialized research engines. Multiple agents can work in parallel for thorough coverage.

3. Synthesis & Formatting

Findings are synthesized into a cohesive report with proper structure, citations, and interactive table of contents.

4. Email Delivery

Your completed report is emailed with a shareable link. Reports are 1500-2500+ words with Harvard-style citations.

Research Engines

Multiple specialized research engines available, each optimized for different types of research tasks.

Groq Compound

Uses Groq's multi-tool approach with web_search, visit_website, and code_interpreter capabilities.

• Real-time web browsing
• Code execution for data analysis
• Fast inference on Groq hardware

Leemer E-Research Pro

4-stage pipeline with parallel agents for comprehensive research coverage.

• Stage 1: Planning (3 research angles)
• Stage 2: Question generation
• Stage 3: Parallel research (3 agents)
• Stage 4: Synthesis & formatting

Standard Models

Perplexity Sonar variants, O4-Mini-Deep-Research, and other specialized research models.

• Perplexity Sonar Pro
• OpenAI O4-Mini Deep Research
• Perplexity Sonar Deep Research
• Automatic source citation

Multiple Agents

Up to 3 research agents work simultaneously on different aspects of your query for comprehensive coverage.

• Parallel processing
• Different research angles
• Faster completion
• More thorough results

Tier System

Choose the right research depth for your needs: Fast for quick summaries, Standard for balanced reports, or Deep for comprehensive analysis.

Fast

Quick research summaries with key findings. Best for time-sensitive queries.

Standard

Balanced depth and speed. Comprehensive reports with proper citations.

Deep

Most comprehensive analysis. 2000-2500+ word reports with extensive citations and sources.

Report Features

Every research report includes an executive summary, detailed findings, analysis, risks & opportunities, methodology, and a complete sources list with Harvard-style citations.

Report Structure: Each report includes an Executive Summary (TLDR), Key Findings with inline citations [1], [2], Analysis & Context, Risks & Opportunities, Methodology, and a Sources section with clickable URLs formatted in Harvard style.

Perfect for: Academic research, market analysis, competitive intelligence, literature reviews, technical documentation research, and any task requiring comprehensive investigation with cited sources.

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Deep Research: Interactive Multi-Model Research System

New

LeemerChat's Deep Research feature is an interactive, multi-model research system that combines three powerful AI models to deliver comprehensive, Wikipedia-style research reports. Unlike Auto-Research which emails reports, Deep Research provides an interactive experience with Q&A refinement, real-time progress tracking, and integrated chat.

Multi-Model Architecture

Deep Research orchestrates three specialized AI models working in parallel: Perplexity Deep Research (web citations), Perplexity Reasoning Pro (analytical reasoning), and OpenAI Deep Research (comprehensive analysis). Each model contributes unique insights that are synthesized into a unified report.

Research Workflow:

1. Topic Input

Enter your research topic. The system generates an initial quiz to understand your specific needs and research angles.

2. Interactive Q&A

Answer targeted questions to refine the research scope. This ensures the final report addresses exactly what you need.

3. Multi-Model Research

Three AI models research your topic simultaneously: Perplexity Deep (web sources), Perplexity Reasoning (analysis), and OpenAI Deep Research (comprehensive coverage).

4. Synthesis & Report Generation

All findings are synthesized into a comprehensive 3000-5000+ word report with proper citations, structure, and formatting.

5. Interactive Exploration

View your report in a beautiful Wikipedia-style layout. Ask questions via integrated chat, create multiple chat sessions, and export as PDF.

Wikipedia-Style Report Layout

Deep Research reports are presented in a unified, Wikipedia-like layout with main content area, sidebar with research details, model results, and a references section. Citations are clickable and link directly to sources with hover previews.

Interactive Chat

Ask questions about your completed research with full context awareness. The AI has access to all research findings and can cite specific sources.

• Multiple chat sessions per report
• Full context of all research
• Source citation in responses
• Clear and delete chat sessions

Clickable Citations

Every citation in the report is clickable. Hover over `[1]`, `[2]`, `[3]` to see source previews, or click to open the full source.

• Inline citations throughout report
• Hover previews for quick reference
• Complete sources section
• Aggregated from all models

PDF Export

Export your complete research report as a PDF document for offline reading, sharing, or archiving.

• Full report with formatting
• Includes all citations
• Sources section included
• Professional layout

Previous Jobs

Access all your previous Deep Research jobs. Each report is saved and can be reopened via its unique ID.

• View all past research
• Direct links to reports
• Persistent chat history
• Email notifications

Source Aggregation

Deep Research automatically extracts sources from all three research models and aggregates them into a unified sources list. Sources are grouped by model and displayed with clickable links, making it easy to verify claims and explore further.

Perfect for: Academic research, competitive intelligence, market analysis, literature reviews, technical deep-dives, or any research task requiring comprehensive multi-source investigation with interactive exploration and proper citations.

Access: Navigate to the Research category in the welcome screen and select "Deep Research" to get started. Or visit /deep-research directly.

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Auto-Research Podcast: Turn Research into Audio

New

Transform any topic or PDF into an engaging educational podcast! LeemerChat's Auto-Research Podcast feature combines AI research, natural writing, and voice synthesis to create professional podcasts with two distinct voices—perfect for learning on the go, studying from notes, or consuming research audibly.

How It Works:

1. Planning Stage

Choose from 4 planner models (GPT-5 Mini, Qwen3 32B, GLM-4.5, or Gemini 2.5 Flash) to break down your topic or PDF into 5 focused research questions.

2. Research Stage

Each question is researched using Perplexity Sonar (fast research model) with full context, gathering comprehensive information from multiple sources.

3. Writing Stage

Kimi K2 (moonshotai/kimi-k2-0905) writes 20-30 natural, conversational parts that alternate between Heart and Bella. Each part is 50-150 words, creating a real back-and-forth conversation feel. Parts reference each other naturally with transitions like "Yeah, that's a great point" or "Building on what you said..."

4. Audio Generation

Part 1 is voiced by "Heart" and Part 2 by "Bella" using Lemonfox TTS. Both audio files are stitched together into a single MP3.

5. Delivery

Receive a beautifully styled email with a link to your podcast page. Listen, read the transcription, and download the MP3—all in one place!

Perfect for Students & Learners

Upload your CS notes, lecture PDFs, or study materials and turn them into podcasts. Listen while commuting, exercising, or doing chores—learn audibly without reading!

Two Distinct Voices

Heart and Bella alternate naturally throughout 20-30 conversational parts. Each voice responds to the other, creating a real back-and-forth dialogue. Heart is enthusiastic and asks questions, Bella dives deep and adds examples.

• Natural conversation flow
• Engaging dialogue format
• Smooth voice transitions

Full Transcription

Every podcast includes a complete transcription split by voice parts. Read along or reference specific sections easily.

• Part 1 & Part 2 clearly marked
• Easy to read and search
• Perfect for note-taking

Smart Research

Uses Perplexity Sonar for fast, comprehensive research. Each of the 5 questions gets thorough investigation with context.

• 5 focused research angles
• Fast Perplexity Sonar model
• Comprehensive coverage

Natural Writing

Kimi K2 writes 20-30 short conversational parts (50-150 words each) that alternate between voices. Each part references the previous one naturally, using transitions like "Yeah, that's interesting!" or "Building on that..." Creates a real conversation feel.

• 50-150 words per part
• 20-30 alternating parts
• Natural transitions and references

Use Cases: Turn lecture notes into podcasts for review, convert research papers into audio summaries, create educational content from PDFs, or generate study materials you can listen to anywhere. Perfect for auditory learners!

Pro tip: Upload your CS notes PDF, select a planner model, and get a podcast perfect for listening during your commute. The two-voice format keeps it engaging, and the full transcription means you can reference specific parts later!

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Feature	LeemerChat	ChatGPT Plus	Claude Pro
Multiple AI Models	(GPT, Claude, Gemini, Grok, Qwen, etc.)	(OpenAI models only)	(Anthropic models only)
Switch Models Mid-Chat
@Mention Collaboration
Deep Research	(no limits)	(highly limited)
Response Speed	(fastest - Groq, Cerebras)	(slowest)	(fast)
Max Context Tokens	(2M tokens - Grok-4.1-Fast)	(400K tokens)	(500K tokens)
Built-in Web Search (Firecrawl)	(Firecrawl-powered, all models toggleable)	(ChatGPT Search)	(Web search on all plans)
Custom Themes
Bring Your Own API Keys	(OpenRouter, Groq, Gemini, etc.)
Zapier Integration	(via MCP; 6k-8k+ apps)
Price (Free Tier)	$0	Limited	Limited
Popular $20 Plan	LeemerChat Pro: $14/mo (your copy below covers details)	$20/mo	$20/mo (or $17/mo annual)

Master LeemerChat Like a Pro

Table of Contents

Let Auto Pick the Perfect Model

How Auto works:

Vision-aware routing

Coding detection

Research mode

Speed vs. depth

Switch Models in the Same Chat

Example:

Use Ultra-Fast Models for Instant Responses

GPT-OSS-120B

Grok-4.1-Fast

Gemini 2.5 Flash

GPT-5 Mini

Need Image Understanding? Just Switch!

Qwen3-VL-235B

Gemini 2.5 Pro

Long Conversations? Switch to Grok-4.1-Fast

Grok-4.1-Fast: 2,000,000 tokens

Claude Haiku 4.5: 200,000 tokens

Share Chats Without Accounts

How it works:

Deep Thinking Models for Complex Problems

Claude Sonnet 4.5

GPT-5.1 Chat

GLM-4.5

Gemini 3 Pro: Google's Flagship Frontier Model

Advanced Reasoning & STEM

True Multimodal Fidelity

1M-Token Context Window

Limited Time Offer:

Web Access on ALL Models

Use cases:

Collaborate with Multiple AI Models

How to use @mentions:

Parallel Mode (Default)

Sequential Mode

Compare AI Responses with Branches

How it works:

Code It: Generate Live HTML Apps

How Code It works:

Patch-based edits

Live preview

Compact code view

Persistent saves

Upload Files & Documents

Documents

Images

Keyboard Shortcuts for Power Users

Try Leemer Deep Research 80B

80B Parameters (Mixture-of-Experts)

Research-Tuned

Automate with Agent-Leemer-K2

8,000+ Tools via Zapier MCP

Real examples:

Email Agent: AI Copilot in Your Inbox

Works Like Email Should

ChatGPT-Level Intelligence

What you can do:

Standard (Free)

Pro ($14/month)

Email Auto-Researcher: Research Reports via Email

Same Research Pipeline

How to use:

Report Features

Install LeemerChat as a Real App

Benefits:

iOS (Safari)

Android (Chrome)

Customize with Beautiful Themes

Classic Red

Sakura Dream

Forest Emerald

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Personalize AI to Know You Better

What you can customize:

Connect with 6,000+ Apps via Zapier

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