List Models changedapi/beta/models/list
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
285
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits22to this page, all time
The whole hunk
from line 285, old and new numbered
/
from line 285
285285
286286 A human-readable name for the model.
287287
288 - `line: BetaModelLine or null`
289
290 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`.
291
292 - `"haiku"`
293
294 - `"sonnet"`
295
296 - `"opus"`
297
298 - `"fable"`
299
300 - `"mythos"`
301
288302 - `max_input_tokens: number or null`
289303
290304 Maximum input context window size in tokens for this model.
from line 406
392406 },
393407 "created_at": "2026-07-24T00:00:00Z",
394408 "display_name": "Claude Opus 5",
409 "line": "haiku",
395410 "max_input_tokens": 0,
396411 "max_tokens": 0,
397412 "type": "model"
No line in this hunk matches that.