All model families · Shutdown calendar
Claude Opus 4.5 deprecation & shutdown dates
2 Claude Opus 4.5 versions tracked across 2 providers. Next shutdown: claude-opus-4-5-20251101 on Anthropic, Nov 24, 2026 (earliest).
Last checked 2026-10-18 on the official deprecation pages.
Every Claude Opus 4.5 version on every provider we track, with the date and replacement each official deprecation page gives.
| Model ID | Provider | Status | Shutdown | Replacement |
|---|---|---|---|---|
claude-opus-4-5-20251101 | Anthropic | active (earliest retirement date) | Nov 24, 2026 (earliest) | None listed by provider |
claude-opus-4-5 (1) | Azure OpenAI | scheduled | Nov 24, 2026 | None listed by provider |
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Frequently asked questions
When is Claude Opus 4.5 being deprecated?
2 Claude Opus 4.5 versions tracked across 2 providers. Next shutdown: claude-opus-4-5-20251101 on Anthropic, Nov 24, 2026 (earliest).
What replaces Claude Opus 4.5?
No replacement is named on the official pages.
When does claude-opus-4-5-20251101 on Anthropic shut down?
claude-opus-4-5-20251101 on Anthropic shuts down no earlier than Nov 24, 2026. The provider lists no replacement.
When does claude-opus-4-5 (1) on Azure OpenAI shut down?
claude-opus-4-5 (1) on Azure OpenAI shuts down on Nov 24, 2026. The provider lists no replacement.