Gemini 3.1 Pro Preview Custom Tools
Merge Gateway
Gemini 3.1 Pro Preview Custom Tools by Merge Gateway 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
- Merge Gateway
- 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 Nano$0.40/1MGemini 3.1 Pro Preview Custom Tools vs GPT-4o mini$0.60/1MGemini 3.1 Pro Preview Custom Tools vs Claude Sonnet 4.5$15.00/1MGemini 3.1 Pro Preview Custom Tools vs MiniMax-M2$1.20/1MGemini 3.1 Pro Preview Custom Tools vs Claude Haiku 4.5$5.00/1MGemini 3.1 Pro Preview Custom Tools vs Claude Opus 4.7$25.00/1M
FAQ
Pricing is per 1M tokens (USD); confirm with the provider before production use.