Gemini 3.1 Pro
Google DeepMind's advanced reasoning model (February 2026), built for complex problem-solving with a large reasoning boost over Gemini 3 Pro. Fully multimodal with a 1M-token context window; tiered pricing doubles for prompts over 200K tokens.
Strengths
- Advanced reasoning and complex problem-solving
- Large reasoning boost over Gemini 3 Pro
- Fully multimodal with 1M-token context window
Caveats
- Tiered pricing: rates double for prompts over 200K tokens
- Preview model - behavior and pricing may change
- Superseded as headline model by Gemini 3.5 Flash for many tasks
- Vendor
- Context Window
- 1,048,576 tokens
- Max Output
- 65,536 tokens
- License
- Proprietary
- Release Date
- 2026-02-19
- Modalities
- textimageaudiovideo
Capabilities
Vision
Audio
Video
Tool Use
Resources
Pricing
$2.00 per 1M input (prompts ≤200k tokens), $4.00 per 1M input (prompts >200k tokens); $12.00 per 1M output (prompts ≤200k tokens), $18.00 per 1M output (prompts >200k tokens). 1,048,576-token context window.