Archive Agent changedapi/beta/agents/archive
Nearest release: v2.1.296, published 4 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+163added
Lines−39removed
From line
221
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits18to this page, all time
The whole hunk
from line 221, old and new numbered
/
from line 221
221221
222222 - `"claude-haiku-4-5"`
223223
224 Fastest model with near-frontier intelligence
225
226224 - `"claude-haiku-4-5-20251001"`
227225
228 Fastest model with near-frontier intelligence
229
230226 - `"claude-opus-4-5"`
231227
232228 Powerful intelligence for long-running agents and coding
from line 295
299295
300296 Multiagent orchestration configuration. Null when the agent is single-threaded.
301297
302 - `type: "coordinator"`
298 - `BetaManagedAgentsMultiagentCoordinator object`
303299
304 - `agents: array of BetaManagedAgentsAgentReference or BetaManagedAgentsAdvisor`
300 Resolved coordinator topology with a concrete agent roster.
305301
306 Agents the coordinator may spawn as session threads, each resolved to a specific version.
302 - `type: "coordinator"`
307303
308 - `BetaManagedAgentsAgentReference object`
304 - `agents: array of BetaManagedAgentsAgentReference or BetaManagedAgentsAdvisor`
309305
310 A resolved agent reference with a concrete version.
306 Agents the coordinator may spawn as session threads, each resolved to a specific version.
311307
312 - `type: "agent"`
308 - `BetaManagedAgentsAgentReference object`
313309
314 - `id: string`
310 A resolved agent reference with a concrete version.
315311
316 - `version: number`
312 - `type: "agent"`
317313
318 format: int32
314 - `id: string`
319315
320 - `BetaManagedAgentsAdvisor object`
316 - `version: number`
321317
322 Platform advisor roster entry: a model the session's primary thread may consult mid-turn.
318 format: int32
323319
324 - `type: "advisor"`
320 - `BetaManagedAgentsAdvisor object`
325321
326 - `model: string`
322 Platform advisor roster entry: a model the session's primary thread may consult mid-turn.
327323
328 The advisor model id.
324 - `type: "advisor"`
329325
326 - `model: string`
327
328 The advisor model id.
329
330 - `BetaManagedAgentsMultiagent20261001 object`
331
332 Resolved multiagent configuration with three members, each enabled or disabled on its own.
333
334 - `type: "multiagent_20261001"`
335
336 - `advisor: BetaManagedAgentsMultiagentAdvisor`
337
338 Whether the session's primary thread can consult an advisor model.
339
340 - `BetaManagedAgentsMultiagentAdvisorEnabled object`
341
342 The session's primary thread can consult `model` mid-turn.
343
344 - `type: "enabled"`
345
346 - `model: string`
347
348 The advisor model id.
349
350 - `BetaManagedAgentsMultiagentAdvisorDisabled object`
351
352 The agent has no advisor.
353
354 - `type: "disabled"`
355
356 - `subagents: BetaManagedAgentsMultiagentSubagents`
357
358 Whether the agent can spawn session threads.
359
360 - `BetaManagedAgentsMultiagentSubagentsEnabled object`
361
362 The agent can spawn session threads.
363
364 - `type: "enabled"`
365
366 - `inline_agents: BetaManagedAgentsMultiagentInlineAgents`
367
368 Whether the agent can define inline agents, which are not saved, when it spawns session threads.
369
370 - `BetaManagedAgentsMultiagentInlineAgentsEnabled object`
371
372 The agent can define inline agents.
373
374 - `type: "enabled"`
375
376 - `BetaManagedAgentsMultiagentInlineAgentsDisabled object`
377
378 The agent cannot define inline agents.
379
380 - `type: "disabled"`
381
382 - `predefined_agents: array of BetaManagedAgentsAgentReference`
383
384 Predefined agents, which are saved agents that this agent can spawn as session threads, each resolved to a specific version.
385
386 - `type: "agent"`
387
388 - `id: string`
389
390 - `version: number`
391
392 format: int32
393
394 - `BetaManagedAgentsMultiagentSubagentsDisabled object`
395
396 The agent cannot spawn session threads.
397
398 - `type: "disabled"`
399
400 - `workflows: BetaManagedAgentsMultiagentWorkflows`
401
402 Whether the agent can start workflow runs.
403
404 - `BetaManagedAgentsMultiagentWorkflowsEnabled object`
405
406 The agent can start workflow runs.
407
408 - `type: "enabled"`
409
410 - `inline_agents: BetaManagedAgentsMultiagentInlineAgents`
411
412 Whether a run's plan can define inline agents, which are not saved.
413
414 - `predefined_agents: array of BetaManagedAgentsAgentReference`
415
416 Predefined agents, which are saved agents that a run's plan can use, each resolved to a specific version.
417
418 - `type: "agent"`
419
420 - `id: string`
421
422 - `version: number`
423
424 format: int32
425
426 - `BetaManagedAgentsMultiagentWorkflowsDisabled object`
427
428 The agent cannot start workflow runs.
429
430 - `type: "disabled"`
431
330432 - `name: string`
331433
332434 - `skills: array of BetaManagedAgentsAnthropicSkill or BetaManagedAgentsCustomSkill`
from line 936
834936 "speed": "standard"
835937 },
836938 "multiagent": {
837 "agents": [
838 {
839 "id": "agent_011CZkYqphY8vELVzwCUpqiQ",
840 "type": "agent",
841 "version": 1
842 }
843 ],
844 "type": "coordinator"
939 "advisor": {
940 "type": "disabled"
941 },
942 "subagents": {
943 "inline_agents": {
944 "type": "enabled"
945 },
946 "predefined_agents": [
947 {
948 "id": "agent_011CZkYqphY8vELVzwCUpqiQ",
949 "type": "agent",
950 "version": 1
951 }
952 ],
953 "type": "enabled"
954 },
955 "type": "multiagent_20261001",
956 "workflows": {
957 "inline_agents": {
958 "type": "enabled"
959 },
960 "predefined_agents": [
961 {
962 "id": "agent_011CZkYqphY8vELVzwCUpqiQ",
963 "type": "agent",
964 "version": 1
965 }
966 ],
967 "type": "enabled"
968 }
845969 },
846970 "name": "My First Agent",
847971 "skills": [
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