Gemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage across complex workflows. Building on the multimodal foundation...
Google: Gemini 3.1 Pro Preview — Google. Context window 1,048,576 tokens. API pricing (per 1M tokens): Input $2, Output $12. License: Proprietary. LMArena 1,480. GPQA Diamond 94.4%.
| Provider | |
|---|---|
| API model ID | google/gemini-3.1-pro-preview |
| Tier | Frontier |
| Context window | 1,048,576 tokens |
| Max output | 65,536 tokens |
| License | Proprietary |
| API pricing (per 1M tokens) · Input | $2 |
| API pricing (per 1M tokens) · Output | $12 |
| LMArena | 1,480 (gemini-3.1-pro-preview) |
| GPQA Diamond | 94.4% |
LMArena (CC-BY 4.0, best reasoning setting, 2026-10-02) · GPQA Diamond: Epoch AI (CC-BY 4.0)
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