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OpenAI

OpenAI: GPT-5.1-Codex-Max

flagship
OpenAI · released 2025-10-01 · text+image->text
currently routing · 4.2k rpm
400K tokens
Context
$1.25 / 1M
Input
$10.00 / 1M
Output
— t/s
Speed
proprietary
License
/ ABOUT

GPT-5.1 Codex Max is the maximum-capability coding variant of GPT-5.1 for the most demanding software engineering tasks.

Providers for OpenAI: GPT-5.1-Codex-Max

1 routes · sorted by uptime

ClosedRouter routes requests to the providers best able to handle your prompt size and parameters, with automatic fallbacks to maximize uptime.

Provider
Context
Quant
Uptime · 30d
400K
bf16
0.00%