Gemini 3.1 Pro Preview Custom Tools
OpenRouter
Gemini 3.1 Pro Preview Custom Tools by OpenRouter 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
Specifications
- Provider
- OpenRouter
- Context window
- 1M tokens
- Parameters
- —
- Released
- Feb 2026
- Open weights
- No
- Frontier model
- No
Compare Gemini 3.1 Pro Preview Custom Tools with…
Gemini 3.1 Pro Preview Custom Tools vs GPT-5.3 Codex$14.00/1MGemini 3.1 Pro Preview Custom Tools vs OpenRouter: Fusion$-1,000,000.00/1MGemini 3.1 Pro Preview Custom Tools vs MiniMax-M2$1.00/1MGemini 3.1 Pro Preview Custom Tools vs Qwen3 Coder Next$0.80/1MGemini 3.1 Pro Preview Custom Tools vs GPT OSS 120B$0.15/1MGemini 3.1 Pro Preview Custom Tools vs gpt-oss-20b$0.14/1M
FAQ
Pricing is per 1M tokens (USD); confirm with the provider before production use.