OpenAI GPT-5.1-Codex-Max: Compaction and Long Coding Tasks

November 19, 2025

OpenAI released GPT-5.1-Codex-Max with compaction, said it finished a 24-hour internal task and reported a narrow SWE-bench Verified lead over Gemini 3 Pro.

OpenAI

Sources

VentureBeat

News · Nov 19, 2025

OpenAI debuts GPT-5.1-Codex-Max coding model and it already completed a 24-hour task internally

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