gpt-5.1-codex-max

Common Name: GPT-5.1 CodeX Max

OpenAI
-80%On SaleReleased on Nov 25, 2025 12:00 AMKnowledge Cutoff Sep 30, 2024 12:00 AMSupportedTool InvocationSupportedReasoning
Terminal#8
Compare

GPT-5.1-Codex-Max is a version of GPT-5.1-Codex with enhanced capabilities for agentic coding tasks.

Specifications

Context
400K
Maximum Output
128K
Inputtext, image
Outputtext

Performance (7-day Average)

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Pricing

Standard
Flex
Batch
Input/MTokens
$0.25
$0.13
$0.13
Output/MTokens
$2.00
$1.00
$1.00
Cached Input/MTokens
$0.03
$0.01
$0.01

Availability Trend (24h)

Performance Metrics (24h)

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