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gpt-5.1-codex-max
Common Name: GPT-5.1 CodeX Max
OpenAI
-80%On SaleReleased on Nov 25 12:00 AMKnowledge Cutoff Sep 30, 2024 12:00 AMSupportedTool InvocationSupportedReasoningGPT-5.1-Codex-Max is a version of GPT-5.1-Codex with enhanced capabilities for agentic coding tasks.
Specifications
Context400,000
Maximum Output128,000
Inputtext, image
Outputtext
Performance (7-day Average)
Uptime
TPS
RURT
Pricing
Standard
Input$0.25/MTokens
Output$2.00/MTokens
Cached Input$0.03/MTokens
Flex
Input$0.13/MTokens
Output$1.00/MTokens
Cached Input$0.01/MTokens
Batch
Input$0.13/MTokens
Output$1.00/MTokens
Cached Input$0.01/MTokens
Usage Statistics
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GPT-5.1-Codex is a version of GPT-5 optimized for agentic coding tasks in Codex or similar environments. It's available in the Responses API only and the underlying model snapshot will be regularly updated. If you want to learn more about prompting GPT-5-Codex, refer to our dedicated guide
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Documentation
No documentation available
This model (gpt-5.1-codex-max) uses a dedicated API. Please refer to the official documentation for usage examples.