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November 22, 2025

Introducing LeemerLabs Model Foundry: Your Data. Your Model. Our GPUs.

We're launching Ireland's first custom LLM creation studio. Fine-tune frontier models up to 235B parameters using Tinker distributed training, powered by Thinking Machines Lab. Build domain-specific intelligence layers that you own and deploy anywhere.

Product launch
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November 22, 202512 min readProduct launch

Introducing LeemerLabs Model Foundry: Your Data. Your Model. Our GPUs.

We're launching Ireland's first custom LLM creation studio. Fine-tune frontier models up to 235B parameters using Tinker distributed training, powered by Thinking Machines Lab. Build domain-specific intelligence layers that you own and deploy anywhere.

LeemerLabsModel FoundryTinkerCustom LLMsFine-tuningEnterprise AI
Repath Khan, Founder of LeemerLabs
November 21, 20258 min readModel comparison

We Let GPT-5, Claude 4.5, Grok-4.1, and Gemini Fight. Here's Who Won (And Why It Doesn't Matter)

We tested GPT-5.1, Claude Sonnet 4.5, Grok-4.1-Fast, and Gemini 2.5 Pro across coding, reasoning, writing, vision, research, and speed. The results reveal why using multiple models in one chat is the future of AI.

AI ModelsBenchmarksGPT-5Claude 4.5GrokGeminiMulti-Model
Repath Khan, Founder of LeemerChat
November 20256 min readSynthetic abuse defense

How we protected Gemini 3 Pro access from synthetic abuse

How LeemerChat used BotID Deep Analysis to shut down coordinated synthetic agents without slowing down real users.

SafetyGemini 3 ProBotIDAbuse Prevention
Repath Khan, Founder of LeemerChat
November 202512 min readTechnical deep dive

Behind the scenes: How Leemer Heavy and Heavy (Fast) work

A deep dive into the union model architecture powering Leemer Heavy's iterative research orchestration and Heavy (Fast)'s rapid debate synthesis system.

ArchitectureAI ModelsUnion ModelsTechnical
Repath Khan, Founder of LeemerChat
November 202510 min readMulti-model research

Welcome Deep Research: The World's Best Multi-Model Research System

How we built Deep Research by orchestrating three world-class AI models together, powered by K2-Thinking—the world's strongest reasoning open-source model. Plus a preview of Ultra version running autonomously for 3-4 hours.

Deep ResearchMulti-ModelK2-ThinkingResearch
Repath Khan, Founder of LeemerChat