OpenAI Assistants API

Changelog: <a href="https://platform.openai.com/docs/deprecations" target="_blank" rel="nofollow noopener noreferrer"> OpenAI API Deprecations
Changelog: <a href="https://community.openai.com/t/introducing-the-responses-api/1140929" target="_blank" rel="nofollow noopener noreferrer"> Introducing the Responses API

API Metadata

Provider	OpenAI
Status	deprecated
Deprecated announced	2025-08-20
End-of-life date	2026-08-26 211
Sources	Changelog: OpenAI API Deprecations Changelog: Introducing the Responses API

OpenAI announced the deprecation of the Assistants API, scheduled for shutdown on August 26, 2026.

Users should migrate to Responses API and Conversations API, which offer improved features and easier integration.