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Sweep 10 Nov 2026 · 02:18Z Build v2.1.322 539 read Stable v2.1.311 Latest v2.1.322 Next v2.1.322 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Developer Platform 18 Sep 2026
One change · api

model-deprecations changedabout-claude/model-deprecations

Nearest release: v2.1.277, published 4 hours before this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

Recorded here
Lines+4added
Lines−1removed
From line 71 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits19to this page, all time

The whole hunk

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7171Current and recently retired models are listed in the following table with their status:
7272 
7373| API model name | Current state | Deprecated | Tentative retirement date |
74| -------------------------- | ------------- | ----------------- | ---------------------------------- |
74| :------------------------- | :------------ | :---------------- | :--------------------------------- |
7575| claude-fable-5-1 | Active | N/A | Not sooner than September 1, 2027 |
76| claude-mythos-5-1 | Active | N/A | Not sooner than September 1, 2027 |
7677| claude-fable-5 | Active | N/A | Not sooner than June 9, 2027 |
78| claude-mythos-5 | Active | N/A | Not sooner than June 9, 2027 |
79| claude-mythos-preview | Deprecated | June 9, 2026 | To be announced |
7780| claude-opus-5 | Active | N/A | Not sooner than July 24, 2027 |
7881| claude-opus-4-8 | Active | N/A | Not sooner than May 28, 2027 |
7982| claude-opus-4-7 | Active | N/A | Not sooner than April 16, 2027 |
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