gpt-5.2-codex

Common Name: GPT-5.2-Codex

Released on Dec 11, 2025 12:00 AMKnowledge Cutoff Aug 31, 2025 12:00 AMSupportedTool InvocationSupportedReasoning

GPT-5.2-Codex is an upgraded version of GPT-5.2 optimized for long-horizon, agentic coding tasks in Codex or similar environments. It's available in the Responses API only and supports low, medium, high, and xhigh reasoning effort settings.

Specifications

Context

400K

Maximum Output

128K

Inputtext, image

Outputtext

Performance (7-day Average)

Collecting…

Availability Trend (24h)

Pricing

Standard

Flex

Batch

Input/MTokens

$1.925

$0.9625

Output/MTokens

$15.40

$7.70

Cached Input/MTokens

$0.1925

$0.09625

Performance Metrics (24h)

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