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2026-06-03: Agent Builder

Takes effect
30 Nov 2026
Published
4 Oct 2026

On June 3, 2026, we notified developers using Agent Builder that the product is being deprecated. ChatKit remains available. Date Update June 3, 2026 Deprecation announced for Agent Builder. Nov 30, 2026 Agent Builder is scheduled to shut down. See Migrate from Agent Builder to continue with the Agents SDK or ChatGPT Workspace Agents.

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OpenAI: 2026-06-03: Agent Builder · StackClock