Google: Gemini 3.1 Pro Preview
Google
Google: Gemini 3.1 Pro Preview by Google costs $2.00 per 1M input tokens and $12.00 per 1M output tokens, with a 1M-token context window.
Pricing
Input (per 1M tokens)
$2.00
Output (per 1M tokens)
$12.00
Cached input (per 1M)
$0.20
| Provider | Input / 1M | Output / 1M |
|---|---|---|
| openrouter | $2.00 | $12.00 |
| $2.00 | $12.00 |
Specifications
- Provider
- Context window
- 1M tokens
- Parameters
- —
- Released
- Feb 2026
- Open weights
- No
- Frontier model
- No
Benchmarks
- FrontierMath
- 36.9
- GPQA Diamond
- 94.4
- LiveBench
- 77.1
- LMArena Vision Elo
- 1296.2
- LMArena WebDev Elo
- 1446.7
Speed & latency
Time to first token
9.17s
Output speed
105 tok/s
Fastest host: google (via vercel-ai-gateway).
Compare Google: Gemini 3.1 Pro Preview with…
Google: Gemini 3.1 Pro Preview vs Google: Gemini 4 Argon$10.00/1MGoogle: Gemini 3.1 Pro Preview vs Google: Gemini 4 Argon (batch)$5.00/1MGoogle: Gemini 3.1 Pro Preview vs Google: Nano Banana 2.1$7.50/1MGoogle: Gemini 3.1 Pro Preview vs Google: Gemini 3.5 Transcribe$12.00/1MGoogle: Gemini 3.1 Pro Preview vs Google: Gemini 3.8 Flash Lite TTS$6.00/1MGoogle: Gemini 3.1 Pro Preview vs Google: Gemini 3.8 Flash TTS$9.00/1M
FAQ
How much does Google: Gemini 3.1 Pro Preview cost?
Google: Gemini 3.1 Pro Preview is priced at $2.00 per 1M input tokens and $12.00 per 1M output tokens. Output tokens cost more than input.
What is Google: Gemini 3.1 Pro Preview's context window?
Google: Gemini 3.1 Pro Preview supports a context window of 1M tokens — the maximum prompt plus response length it can handle in a single request.
Is Google: Gemini 3.1 Pro Preview open weight?
No — Google: Gemini 3.1 Pro Preview is a closed/proprietary model accessed via API.
Data as of 2026-10-14. Source: Pricing via OpenRouter API, openrouter.ai. Pricing is per 1M tokens (USD); confirm with the provider before production use.