Gemini 3.1 Pro Preview
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.
Specifications
| Lab | Google DeepMind |
|---|---|
| Context window | 1M tokens |
| Input price | $2.00/1M |
| Output price | $12.00/1M |
| Release | Feb 2026 |
In Depth: Gemini 3.1 Pro Preview
Summary
Gemini 3.1 Pro Preview is an AI model from Google DeepMind.
Released in Feb 2026. It currently appears in the Overall category on LMRank and 1 other category. It takes audio, file, image, text, and video input and produces text output, with a context window of 1M tokens. Input pricing is $2.00 per 1M tokens and output is $12.00 per 1M tokens on OpenRouter.