https://modelsunset.com/Reviewed AI model retirement recordshttps://modelsunset.com/models/gpt-5.4-cyber/gpt-5.4-cyber:2026-10-01:gpt-5.6-cyberTue, 29 Sep 2026 00:00:00 GMTShutdown: 2026-10-01. Replacement: gpt-5.6-cyber. Source: https://developers.openai.com/api/docs/deprecationshttps://modelsunset.com/models/gpt-5-2025-08-07/gpt-5-2025-08-07:2026-12-11:gpt-5.6-solTue, 29 Sep 2026 00:00:00 GMTShutdown: 2026-12-11. Replacement: gpt-5.6-sol. Source: https://developers.openai.com/api/docs/deprecationshttps://modelsunset.com/models/gpt-5-mini-2025-08-07/gpt-5-mini-2025-08-07:2026-12-11:gpt-5.6-terraTue, 29 Sep 2026 00:00:00 GMTShutdown: 2026-12-11. Replacement: gpt-5.6-terra. Source: https://developers.openai.com/api/docs/deprecationshttps://modelsunset.com/models/o3-2025-04-16/o3-2025-04-16:2026-12-11:gpt-5.6-solTue, 29 Sep 2026 00:00:00 GMTShutdown: 2026-12-11. Replacement: gpt-5.6-sol. Source: https://developers.openai.com/api/docs/deprecationshttps://modelsunset.com/models/whisper-1/whisper-1:2027-02-26:gpt-live-transcribe or gpt-transcribeTue, 29 Sep 2026 00:00:00 GMTShutdown: 2027-02-26. Replacement: gpt-live-transcribe or gpt-transcribe. Source: https://developers.openai.com/api/docs/deprecationshttps://modelsunset.com/models/gpt-realtime/gpt-realtime:2027-01-20:gpt-realtime-2.1Tue, 29 Sep 2026 00:00:00 GMTShutdown: 2027-01-20. Replacement: gpt-realtime-2.1. Source: https://developers.openai.com/api/docs/deprecationshttps://modelsunset.com/models/gemini-omni-flash-preview/gemini-omni-flash-preview:2026-09-30:gemini-omni-1.1-flashTue, 29 Sep 2026 00:00:00 GMTShutdown: 2026-09-30. Replacement: gemini-omni-1.1-flash. Source: https://ai.google.dev/gemini-api/docs/deprecationshttps://modelsunset.com/models/gemini-2.5-flash-image/gemini-2.5-flash-image:2026-10-02:gemini-3.1-flash-image-previewTue, 29 Sep 2026 00:00:00 GMTShutdown: 2026-10-02. Replacement: gemini-3.1-flash-image-preview. Source: https://ai.google.dev/gemini-api/docs/deprecationshttps://modelsunset.com/models/gemini-2.0-flash/gemini-2.0-flash:2026-06-01:gemini-3.6-flashTue, 29 Sep 2026 00:00:00 GMTShutdown: 2026-06-01. Replacement: gemini-3.6-flash. Source: https://ai.google.dev/gemini-api/docs/deprecationshttps://modelsunset.com/models/gemini-3-pro-preview/gemini-3-pro-preview:2026-03-09:gemini-3.1-pro-previewTue, 29 Sep 2026 00:00:00 GMTShutdown: 2026-03-09. Replacement: gemini-3.1-pro-preview. Source: https://ai.google.dev/gemini-api/docs/deprecationshttps://modelsunset.com/models/claude-opus-4-1-20250805/claude-opus-4-1-20250805:2026-08-05:noneTue, 29 Sep 2026 00:00:00 GMTShutdown: 2026-08-05. Replacement: consult provider. Source: https://platform.claude.com/docs/en/about-claude/model-deprecationshttps://modelsunset.com/models/claude-opus-4-20250514/claude-opus-4-20250514:2026-06-15:noneTue, 29 Sep 2026 00:00:00 GMTShutdown: 2026-06-15. Replacement: consult provider. Source: https://platform.claude.com/docs/en/about-claude/model-deprecationshttps://modelsunset.com/models/claude-mythos-preview/claude-mythos-preview:pending:noneTue, 29 Sep 2026 00:00:00 GMTShutdown: not confirmed. Replacement: consult provider. Source: https://platform.claude.com/docs/en/about-claude/model-deprecations