Overview
A GPT-5.2 variant optimized for long-horizon software engineering, large code changes, Windows, and context compaction.
GPT-5.2-Codex
A GPT-5.2 variant optimized for long-horizon software engineering, large code changes, Windows, and context compaction.
MODEL NUMBER036
- Release date
- 2025-12-18
- Organization
- OpenAI
- Family
- GPT
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Specifications
Only published specifications are shown.
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Overview
PreviousGPT-5.2— · — ctx
CurrentGPT-5.2-Codex— · — ctx
New capabilities Long-horizon agent Context compaction Cybersecurity
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Architecture & capabilities
Key capabilities
Long-horizon agentCodingContext compactionCybersecurity
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Release history
GPT-5.2-Codex launched for long-horizon software engineering and defensive security.
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Related models
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