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Sweep 25 Sep 2026 · 19:33Z Build v2.1.283 504 read Stable v2.1.274 Latest v2.1.283 Next v2.1.283 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Developer Platform 25 Sep 2026
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Archive Agent changedapi/beta/agents/archive

Nearest release: v2.1.283, published 3 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.

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Lines+11added
Lines−11removed
From line 139 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits11to this page, all time

The whole hunk

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139139 
140140 - `archived_at: string or null`
141141 
142 A timestamp in RFC 3339 format
142 When the agent was archived. Null if not archived.
143143 
144144 format: date-time
145145 
from line 171
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172172 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
173173 
174 - `string`
175 
174176 - `"claude-opus-5-5" or "claude-fable-5-1" or "claude-sonnet-5" or 12 more`
175177 
176178 The model that will power your agent.
from line 239
237239 
238240 High-performance model for agents and coding
239241 
240 - `string`
241 
242242 - `effort: optional BetaManagedAgentsEffortLow or BetaManagedAgentsEffortMedium or BetaManagedAgentsEffortHigh or 2 more`
243243 
244 How hard Claude works on each turn. Sets `output_config.effort` on every Messages call the session makes.
244 How hard Claude works on each inference call. One of `low`, `medium`, `high`, `xhigh`, `max`. Always present; resolved to the per-model default at save time when not supplied.
245245 
246246 - `BetaManagedAgentsEffortLow object`
247247 
from line 279
279279 
280280 - `speed: optional "standard" or "fast"`
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282 Inference speed mode. `fast` provides significantly faster output token generation at premium pricing. Not all models support `fast`; invalid combinations are rejected at create time.
282 Inference speed mode. `fast` provides significantly faster output token generation at premium pricing. Defaults to `standard`. Not all models support `fast`; invalid combinations are rejected at create time.
283283 
284284 - `"standard"`
285285 
from line 287
287287 
288288 - `multiagent: BetaManagedAgentsMultiagent or null`
289289 
290 Resolved coordinator topology with a concrete agent roster.
290 Multiagent orchestration configuration. Null when the agent is single-threaded.
291291 
292292 - `type: "coordinator"`
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