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| observed_at | 2026-09-19T04:37:58.964Z |
|---|---|
| origin_date | null |
| status | 200 |
| final URL | https://platform.claude.com/docs/en/about-claude/model-deprecations.md |
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| last-modified | null |
| date | Sat, 19 Sep 2026 04:37:58 GMT |
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@@ -71,9 +71,12 @@ At some point, Anthropic hopes to make past models publicly available again. InCurrent and recently retired models are listed in the following table with their status:| API model name | Current state | Deprecated | Tentative retirement date |-
| -------------------------- | ------------- | ----------------- | ---------------------------------- |+
| :------------------------- | :------------ | :---------------- | :--------------------------------- || claude-fable-5-1 | Active | N/A | Not sooner than September 1, 2027 |+
| claude-mythos-5-1 | Active | N/A | Not sooner than September 1, 2027 || claude-fable-5 | Active | N/A | Not sooner than June 9, 2027 |+
| claude-mythos-5 | Active | N/A | Not sooner than June 9, 2027 |+
| claude-mythos-preview | Deprecated | June 9, 2026 | To be announced || claude-opus-5 | Active | N/A | Not sooner than July 24, 2027 || claude-opus-4-8 | Active | N/A | Not sooner than May 28, 2027 || claude-opus-4-7 | Active | N/A | Not sooner than April 16, 2027 |