GPT-5.1 Chat
Merge Gateway
GPT-5.1 Chat by Merge Gateway costs $1.25 per 1M input tokens and $10.00 per 1M output tokens, with a 128K-token context window.
Pricing
Input (per 1M tokens)
$1.25
Output (per 1M tokens)
$10.00
Cached input (per 1M)
$0.13
Specifications
- Provider
- Merge Gateway
- Context window
- 128K tokens
- Parameters
- —
- Released
- Nov 2025
- Open weights
- No
- Frontier model
- No
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FAQ
Pricing is per 1M tokens (USD); confirm with the provider before production use.