Update Agent changedapi/beta/agents/update
Nearest release: v2.1.322, published 2 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+11added
Lines−1removed
From line
133
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First seen
14 Aug 2026
this site's first read of the page
Recorded edits29to this page, all time
The whole hunk
from line 133, old and new numbered
/
from line 133
133133
134134 - `"webhooks-2026-10-07"`
135135
136 - `"admin-user-sign-out-2026-10-08"`
137
136138 - `"message-threads-2026-08-12"`
137139
138140 - `"analytics-usage-cost-2026-08-24"`
from line 203
201203
202204 Model identifier. Accepts the [model string](https://platform.claude.com/docs/en/about-claude/models/overview?sdk_languages=http#latest-models-comparison), e.g. `claude-opus-5-5`, or a `model_config` object for additional configuration control. Omit to preserve. Cannot be cleared.
203205
204 - `BetaManagedAgentsModel = "claude-haiku-5-5" or "claude-sonnet-5-5" or "claude-opus-5-5" or 14 more or string`
206 - `BetaManagedAgentsModel = "claude-fable-5-2" or "claude-haiku-5-5" or "claude-sonnet-5-5" or 15 more or string`
205207
206208 The model that will power your agent.
207209
208210 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
209211
212 - `"claude-fable-5-2"`
213
214 Built for the most ambitious work in coding, enterprise workflows, and the sciences
215
210216 - `"claude-haiku-5-5"`
211217
212218 Fastest model for high-volume, real-time tasks
from line 1168
11621168 The model that will power your agent.
11631169
11641170 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
1171
1172 - `"claude-fable-5-2"`
1173
1174 Built for the most ambitious work in coding, enterprise workflows, and the sciences
11651175
11661176 - `"claude-haiku-5-5"`
11671177
No line in this hunk matches that.