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12primary source pages30verified eventsSep 1, 2026 – Sep 10, 2026 (UTC)
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UTC 2026-09-10 build snapshot, not live metrics. Date states can update; source verification timestamps do not.

OpenAI

Agent Builder scheduled for shutdown

OpenAI schedules Agent Builder to shut down on Nov 30, 2026; ChatKit remains available.

HighApi ShutdownVerifiedOfficial Announcement
81d leftNov 30, 2026

Verification is under 30 days old, not a live check; date passage does not confirm shutdown.

What changed

Impact summary

OpenAI schedules Agent Builder to shut down on Nov 30, 2026; ChatKit remains available.

BeforeOpenAI Agent Builder product
After / replacementAgents SDK or ChatGPT Workspace Agents (ChatKit remains available)

Affected models and systems

Agent Builder

Migration action

Recommended next step: Follow Migrate from Agent Builder to continue with the Agents SDK or ChatGPT Workspace Agents before Nov 30, 2026. ChatKit remains available.

Source and interpretation

API platform & regional scope

OpenAI direct API · Direct developer platform; eligibility and regional restrictions are account-specific.

Not Azure OpenAI.

Bounded manual catalog. Original event checks retained from 2026-09-01; not reverified in this expansion.

Unconfirmed regions are not assumed to be global. Automatic monitoring is OFF. Source checks

Official evidence locators

Announcement 2026-06-03; shutdown Nov 30, 2026. Original source date and qualifier retained; exact shutdown time is not inferred.

Affected endpoints: Not separately specified; check model / capability scope

Action / deadline: Review required · Stated deadline

This record is classified as official announcement. The facts above were normalized from the provider's public developer documentation. API Change Watch does not treat an unreviewed page diff as a verified announcement.

Record revision history

  • · addition · b2abd0372836

Full before/after values are retained in the JSON export. Recording time is not announcement or verification time.

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