Assistants API — Deprecated, replaced by Responses API and Conversations API

For Assistants API, status is Deprecated; successor is Responses API and Conversations API; shutdown date is 2026-08-26, recorded from its source on 2026-08-04; source re-checked 2026-09-30.

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

2026‑08‑26 | Assistants API | Responses API and Conversations API |

— developers.openai.com, retrieved 2026-08-04

Source

• developers.openai.comhttps://developers.openai.com/api/docs/deprecations

Last verified against source: 2026-09-30. Due for re-check by 2027-03-29. This page as Markdown · OKF bundle · full dataset as JSON.