gemini-3.1-pro-preview
Google Vertex
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. Building on the multimodal foundation of the Gemini 3 series, it combines high-precision reasoning across text, image, video, audio, and code with a 1M-token context window.
Input / output per 1M
$2.00 / $12.00
Tiered
Context Window
1M
Max output
65,536
Released
Feb 19, 2026
Provider pricing
The same model is offered by several providers. Prices below are per provider; select a row to switch provider.
| Provider | Input / 1M | Output / 1M | Cache read / 1M | Context | Max output |
|---|---|---|---|---|---|
Current | $2.00 | $12.00 | $0.20 | 1M | 65,536 |
Pricing
Tiered by context window; prices below are from the current provider, per 1M tokens.
| Token range | Input / 1M | Output / 1M | Cache read / 1M |
|---|---|---|---|
0 < Token ≤ 200K | $2.00 | $12.00 | $0.20 |
200K < Token ≤ 1048.6K | $4.00 | $18.00 | $0.40 |
Performance
Data for this section is coming soon.
Uptime
Data for this section is coming soon.