Google's most precise multimodal model arrives with full vision, audio, video, PDF, and 1M-token context support. Get deep reasoning inside LeemerChat, keep chains of thought structured, and instantly route to faster models when you just need a quick follow-up.
🎉 Extended by 7 more days! Now available for 14 days total
Limited Time Offer
For two weeks, we're giving all LeemerChat users 100 free messages per day with Gemini 3 Pro! Extended by promotions boost!
Offer ends: December 2, 2025 (5 days left!)
geminiPro Members: Your 100 free daily messages are automatically activated! After you use your 1,400 free messages over 14 days (extended by promotions boost!), Gemini 3 Pro usage will then count towards your regular Pro subscription.
Key Capabilities
Consistently high scores on LMArena, GPQA Diamond, MathArena Apex, and MMC reasoning benchmarks mean you can trust Gemini 3 Pro when every deduction matters.
Upload product videos, lab audio, whiteboard snapshots, or dense PDFs and get grounded reasoning inside one chat. Perfect for audit trails, design reviews, or user research.
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.
Performance
Gemini 3 Pro sets new records across academic, visual, and mathematical reasoning benchmarks, outperforming other frontier models.
| Benchmark | Description | Gemini 3 Pro | Gemini 2.5 Pro | Claude Sonnet 4.5 | GPT-5.1 |
|---|---|---|---|---|---|
| Humanity's Last Exam | Academic reasoning (No tools) | 37.5% | 21.6% | 13.7% | 26.5% |
| ARC-AGI-2 | Visual reasoning puzzles | 31.1% | 4.9% | 13.6% | 17.6% |
| GPQA Diamond | Scientific knowledge (No tools) | 91.9% | 86.4% | 83.4% | 88.1% |
| AIME 2025 | Mathematics (No tools / Code) | 95.0% / 100% | 88.0% / — | 87.0% / 100% | 94.0% / — |
| MathArena Apex | Challenging Math Contest problems | 23.4% | 0.5% | 1.6% | 1.0% |
| MMMU-Pro | Multimodal reasoning | 81.0% | 68.0% | 68.0% | 80.8% |
| ScreenSpot-Pro | Screen understanding | 72.7% | 11.4% | 36.2% | 3.5% |
| CharXiv Reasoning | Chart information synthesis | 81.4% | 69.6% | 68.5% | 69.5% |
Benefits in LeemerChat
Known Limitations
Same considerations as other frontier systems apply:
LeemerChat Integration
Gemini 3 Pro isn't just a model—it's a core engine that powers advanced workflows across the LeemerChat platform.
With Generation Lock and session intelligence, your Gemini 3 Pro interactions are secure. Only one device generates at a time, preventing account sharing while keeping your data private and session-scoped.
Use Gemini 3 Pro in the Writer to draft long-form content with Harvard-ready citations. Its 1M-token context window allows you to reference entire libraries of uploaded PDFs and documents while writing.
Combine Gemini 3 Pro's reasoning with Leemer Deep Research. Generate comprehensive reports with live web data, then use Gemini 3 Pro to synthesize findings into executive summaries or strategic plans.
Gemini 3 Pro works seamlessly with Leemer Heavy and Auto routing. Start a complex task with Gemini, and let the system automatically route sub-tasks to specialized agents for coding or quick lookups.
Coming Soon
Gemini 3 Pro is the first member of the Gemini 3 family to land here. We're continuously expanding our lineup with lighter and faster siblings.
Coming soon
A lighter, faster Gemini variant for day-to-day drafting and triage. Expect routed availability in the coming weeks so Auto can choose the best sibling for each prompt.
Stay tuned
Additional Gemini 3 Pro configurations, agent-focused modes, and longer output windows are already on our roadmap. Keep an eye on announcements inside LeemerChat for early access.
Offer active until December 2, 2025 (extended by promotions boost!). Get 100 free Gemini 3 Pro messages per day with promo code gemini. After the 14-day promotion period, usage rolls into the premium model allowance alongside GPT‑5.1 Chat.