Get a Model changedapi/models/retrieve
Nearest release: v2.1.290, published under an hour 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+15added
Lines−0removed
From line
259
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits23to this page, all time
The whole hunk
from line 259, old and new numbered
/
from line 259
259259
260260 A human-readable name for the model.
261261
262 - `line: ModelLine or null`
263
264 The model line this model belongs to, such as `opus` for both Claude Opus 4.5 and Claude Opus 4.6. More lines may be added. `null` when the model belongs to no line; do not infer a line from the `id`.
265
266 - `"haiku"`
267
268 - `"sonnet"`
269
270 - `"opus"`
271
272 - `"fable"`
273
274 - `"mythos"`
275
262276 - `max_input_tokens: number or null`
263277
264278 Maximum input context window size in tokens for this model.
from line 357
343357 },
344358 "created_at": "2026-07-24T00:00:00Z",
345359 "display_name": "Claude Opus 5",
360 "line": "haiku",
346361 "max_input_tokens": 0,
347362 "max_tokens": 0,
348363 "type": "model"
No line in this hunk matches that.