OpenAI Older GPT-5 and o3 snapshots removed shutdown date
On June 11, 2026, we notified developers using older GPT-5 and o3 model snapshots of their deprecation and removal from the API on December 11, 2026.
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- Older GPT model snapshots shut down (announced Apr 22)Shutdown
On April 22, 2026, we announced the deprecation of the following older OpenAI models.
- Assistants API removedShutdown
On August 26th, 2025, we notified developers using the Assistants API of its deprecation and removal from the API one year later, on August 26, 2026.
- Videos API / Sora 2 removed from APIShutdown
On March 24th, 2026, we notified developers using the Videos API and Sora 2 video generation model aliases and snapshots of their deprecation and removal from the API on September 24, 2026.
- sora-2Shutdown
The sora-2 model alias is removed from the API on September 24, 2026; no replacement is listed.
- sora-2-proShutdown
The sora-2-pro model alias is removed from the API on September 24, 2026; no replacement is listed.
- sora-2-2025-10-06Shutdown
The sora-2-2025-10-06 snapshot is removed from the API on September 24, 2026; no replacement is listed.
- sora-2-2025-12-08Shutdown
The sora-2-2025-12-08 snapshot is removed from the API on September 24, 2026; no replacement is listed.
- sora-2-pro-2025-10-06Shutdown
The sora-2-pro-2025-10-06 snapshot is removed from the API on September 24, 2026; no replacement is listed.