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Gemini 3.1 Pro Preview
Google's preview-tier Pro model, strong on reasoning before the 3.5 Flash refresh.
Capabilities:
Input
- Text input
- Image input (vision)
- File input (PDF)
- Audio input
- Video input
Output
- Text output
- Image output
- Audio output
Pricing & availability:
OpenRouter
$2 / $12 per M
Strengths:
reasoninglong contextvalue
Sources:
Details:
Provider
Google DeepMindContext window
1.049MInput price
$2/MOutput price
$12/MOpen weights
NoReleased
May 2026