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GPT-5.1-Codex-Max

modelactivegpt-5-1-codex-max-095fde5f·2 events·first seen 28d ago

Aliases: GPT-5.1-Codex-Max

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7Openai Blog·28d ago·source ↗

GPT-5.1-Codex-Max System Card

OpenAI has published the system card for GPT-5.1-Codex-Max, a coding-focused model variant. The card details model-level safety mitigations including specialized safety training against harmful tasks and prompt injection attacks, as well as product-level controls such as agent sandboxing and configurable network access. This represents OpenAI's formal safety documentation for an agentic coding model deployment.

7Openai Blog·28d ago·source ↗

OpenAI Introduces GPT-5.1-Codex-Max for Agentic Coding

OpenAI has released GPT-5.1-Codex-Max, a new model optimized for agentic coding tasks within the Codex platform. The model targets long-running, project-scale software development work with improvements in reasoning and token efficiency. It is positioned as a faster and more capable successor for autonomous coding workflows.