Google · Google (Gemini / Gemma / Imagen / Veo)
Gemini 3.1 Pro
CurrentDefaultCurrent flagship; 2M-token context window (largest production context of any model family), strong coding/reasoning/multimodal. GA February 2026.
About this version
Gemini 3.1 Pro is the current flagship model in Google’s Gemini series, released in February 2026 with a knowledge cutoff of December 2025. It offers a 2 million‑token context window—the largest available in production for its family—and is positioned for strong performance in coding, reasoning, and multimodal tasks.
- API string
- gemini-3.1-pro
- Context window
- 2M ctx
- Knowledge cutoff
- Dec 1, 2025
- Tier
- Flagship
- Released
- Feb 1, 2026
Release & change timeline
1 event- Release
Gemini 3.1 Pro released
Full GA with a 2M-token context window — the largest production context window of any API.
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