# Migrating off Assistants API

**OpenAI** retires **Assistants API** on **2026-08-26** (in 27 days).
Documented replacement: **Responses API and Conversations API**.

Source: https://developers.openai.com/api/docs/deprecations

| Model | Provider | Retires | Replacement |
|---|---|---|---|
| Assistants API | OpenAI | 2026-08-26 | Responses API and Conversations API |

Source: https://llmlatency.dev/migrate/openai-assistants-api