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Anthropic Claude: active; retirement not before 9 Nov 2027; no exact shutdown date announced.
claude-fable-5-2: active; retirement not before 9 Nov 2027; no exact shutdown date announced. Check the publisher's current lifecycle record before planning a migration; an earliest possible date is not an announced shutdown.
| Model | Retires | Move to | Announced |
|---|---|---|---|
| claude-sonnet-4-5-20250929 | retires on 30 Nov 2026 (in 16 days) | claude-sonnet-5-5 | 30 Sep 2026 |
| claude-fable-5 | active; retirement not before 9 Jun 2027; no exact shutdown date announced | — | — |
|---|---|---|---|
| claude-fable-5-1 | active; retirement not before 1 Sep 2027; no exact shutdown date announced | — | — |
| claude-haiku-4-5-20251001 | active; retirement not before 15 Oct 2026; no exact shutdown date announced | — | — |
| claude-haiku-5-5 | active; retirement not before 7 Oct 2027; no exact shutdown date announced | — | — |
| claude-mythos-5 | active; retirement not before 9 Jun 2027; no exact shutdown date announced | — | — |
| claude-mythos-5-1 | active; retirement not before 1 Sep 2027; no exact shutdown date announced | — | — |
| claude-mythos-5-2 | active; retirement not before 9 Nov 2027; no exact shutdown date announced | — | — |
| claude-mythos-preview | deprecated; no retirement date announced | — | — |
| claude-opus-4-5-20251101 | active; retirement not before 24 Nov 2026; no exact shutdown date announced | — | — |
| claude-opus-4-6 | active; retirement not before 5 Feb 2027; no exact shutdown date announced | — | — |
| claude-opus-4-7 | active; retirement not before 16 Apr 2027; no exact shutdown date announced | — | — |
| claude-opus-4-8 | active; retirement not before 28 May 2027; no exact shutdown date announced | — | — |
| claude-opus-5 | active; retirement not before 24 Jul 2027; no exact shutdown date announced | — | — |
| claude-opus-5-5 | active; retirement not before 22 Sep 2027; no exact shutdown date announced | — | — |
| claude-sonnet-4-6 | active; retirement not before 17 Feb 2027; no exact shutdown date announced | — | — |
| claude-sonnet-5 | active; retirement not before 30 Jun 2027; no exact shutdown date announced | — | — |
| claude-sonnet-5-5 | active; retirement not before 28 Sep 2027; no exact shutdown date announced | — | — |
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