Get a Model changedapi/models/retrieve
Nearest release: v2.1.314, published 6 hours after 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−1removed
From line
324
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits25to this page, all time
The whole hunk
from line 324, old and new numbered
/
from line 324
324324 "deprecated_at": "2019-12-27T18:11:19.117Z",
325325 "display_name": "Claude Opus 5.5",
326326 "lifecycle": "active",
327 "line": "haiku",
327 "line": "opus",
328328 "max_input_tokens": 0,
329329 "max_tokens": 0,
330330 "retires_at": "2019-12-27T18:11:19.117Z",
No line in this hunk matches that.