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OpenAI publishes a practical GPT-6 guide for production agents and long-running work

The guide connects model selection with task-level evaluations, caching, compaction, reasoning effort, and explicit instructions about completion and approval. It also explains steering, asynchronous tools, and delegation for long-running work. This is implementation guidance for existing GPT-6 models, not another model launch.

Published (date only)1 source

Primary source

OpenAI · October 2, 2026

Read the original: A model guide for the GPT-6 family

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