Agent Builder

AI engineering & model services · 2025 – 2026 · Planned closure · OpenAI

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A hosted visual workspace for designing, testing, publishing and deploying multi-step AI agent workflows.

OpenAI plans to close Agent Builder on November 30, 2026. Existing workflows remain available during the transition; ChatKit continues separately.

Sources and verification

Shutdown: This record covers the complete hosted Agent Builder workflow, with its own design, preview, publish and deployment entry. It excludes ChatKit, the Agents SDK, ChatGPT workspace agents, and model/API retirements. The June 3 notice gives a future day, not a verified completed shutdown; the cutoff time zone is unspecified. Official shutdown notice
Dates checked: Announced 3 Jun 2026 · Verified 1 Oct 2026
AI functionality: AI functionality source
Launch: OpenAI’s October 6, 2025 changelog explicitly announces the Agent Builder launch.
Location: United States · San Francisco. OpenAI’s May 7, 2025 Department of Energy submission gives a San Francisco address. This records the operator’s historical legal-contact city, not a product-team location, current-office assertion or service market. Existing Natural Earth city coordinates are retained at two-decimal precision. Location source