Assistants API retirement date and replacement
OpenAI API · API · retired Aug 26, 2026 (30 days ago)
Dates
Checked Sep 25, 2026 on OpenAI's page| Retired | Aug 26, 2026 (30 days ago) |
|---|---|
| Announced | Aug 20, 2025 |
| Replacement | Responses API and Conversations API |
| Source | developers.openai.com/api/docs/deprecations |
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