GPT-5.2-Codex

Retired

openai/gpt-5.2-codex

Code-specialist GPT for repository edits, reviews, and long-running software agents

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Context window: 400K
Input: Text · Image
Output: Text
Released: 2025-12-11

Max output: 128K
Knowledge cutoff: 2025-08-31
Weights: Closed
Capabilities: Attachments, Reasoning, Structured, Tool call

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SWE-Bench Pro	Coding		Scale AI	—

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ModelRegistry · Catalog updated 2026-10-01