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Sweep 22 Sep 2026 · 17:19Z Build v2.1.280 501 read Stable v2.1.267 Latest v2.1.280 Next v2.1.280 Feeds RSS JSON llms.txt Unofficial
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One change · api

model-deprecations changed

about-claude/model-deprecations

Nearest release: v2.1.280, published under an hour 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+1added
Lines−0removed
From line 77 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits6to this page, all time

The whole hunk

from line 77, old and new numbered
/
lines
from line 77
7777| claude-fable-5 | Active | N/A | Not sooner than June 9, 2027 |
7878| claude-mythos-5 | Active | N/A | Not sooner than June 9, 2027 |
7979| claude-mythos-preview | Deprecated | June 9, 2026 | To be announced |
80| claude-opus-5-5 | Active | N/A | Not sooner than September 22, 2027 |
8081| claude-opus-5 | Active | N/A | Not sooner than July 24, 2027 |
8182| claude-opus-4-8 | Active | N/A | Not sooner than May 28, 2027 |
8283| claude-opus-4-7 | Active | N/A | Not sooner than April 16, 2027 |