Modelpeers

Agent Builder and ChatKit

2 products from OpenAI

Retiring

Takes effect Nov 30, 2026 · in 29 days

Agent Builder to shut down November 30

Agent Builder is scheduled to shut down on November 30, 2026. ChatKit remains available. OpenAI points users to the Agents SDK or ChatGPT Workspace Agents.

Who is affected:
Teams with agents built in Agent Builder.
Action needed:
Migrate to the Agents SDK or Workspace Agents before November 30, 2026.

Source

"On June 3, 2026, we notified developers using Agent Builder that the product is being deprecated. ChatKit remains available."

OpenAI API deprecations page

Published

Open the sourcedevelopers.openai.com

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