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One change · api

Agents changed

api/beta/agents

Nearest release: v2.1.258, published 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+110added
Lines−22removed
From line 14 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits9to this page, all time

The whole hunk

from line 14, old and new numbered
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from line 14
1414 
1515 - `string`
1616 
17 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 38 more`
17 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 41 more`
1818 
1919 - `"message-batches-2024-09-24"`
2020 
from line 98
9898 
9999 - `"ce-user-management-2026-07-13"`
100100 
101 - `"mid-conversation-output-config-2026-07-01"`
102 
103 - `"thinking-binding-controls-2026-08-01"`
104 
105 - `"mid-conversation-system-clear-at-2026-08-21"`
106 
101107### Body parameters
102108 
103109- `model: BetaManagedAgentsModel or BetaManagedAgentsModelConfigParams`
from line 110
104110 
105111 Model identifier. Accepts the [model string](https://platform.claude.com/docs/en/about-claude/models/overview#latest-models-comparison), e.g. `claude-opus-5`, or a `model_config` object for additional configuration control
106112 
107 - `BetaManagedAgentsModel = "claude-sonnet-5" or "claude-fable-5" or "claude-opus-5" or 10 more or string`
113 - `BetaManagedAgentsModel = "claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more or string`
108114 
109115 The model that will power your agent.
110116 
111117 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
112118 
113 - `"claude-sonnet-5" or "claude-fable-5" or "claude-opus-5" or 10 more`
119 - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more`
114120 
115121 The model that will power your agent.
116122 
117123 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
118124 
125 - `"claude-fable-5-1"`
126 
127 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
128 
119129 - `"claude-sonnet-5"`
120130 
121131 High-performance model for coding and agents
from line 804
794804 
795805 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
796806 
797 - `"claude-sonnet-5" or "claude-fable-5" or "claude-opus-5" or 10 more`
807 - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more`
798808 
799809 The model that will power your agent.
800810 
801811 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
802812 
813 - `"claude-fable-5-1"`
814 
815 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
816 
803817 - `"claude-sonnet-5"`
804818 
805819 High-performance model for coding and agents
from line 1439
14251439 
14261440 - `string`
14271441 
1428 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 38 more`
1442 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 41 more`
14291443 
14301444 - `"message-batches-2024-09-24"`
14311445 
from line 1523
15091523 
15101524 - `"ce-user-management-2026-07-13"`
15111525 
1526 - `"mid-conversation-output-config-2026-07-01"`
1527 
1528 - `"thinking-binding-controls-2026-08-01"`
1529 
1530 - `"mid-conversation-system-clear-at-2026-08-21"`
1531 
15121532### Returns
15131533 
15141534- `data: array of BetaManagedAgentsAgent`
from line 1571
15511571 
15521572 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
15531573 
1554 - `"claude-sonnet-5" or "claude-fable-5" or "claude-opus-5" or 10 more`
1574 - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more`
15551575 
15561576 The model that will power your agent.
15571577 
15581578 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
15591579 
1580 - `"claude-fable-5-1"`
1581 
1582 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
1583 
15601584 - `"claude-sonnet-5"`
15611585 
15621586 High-performance model for coding and agents
from line 2184
21602184 
21612185 - `string`
21622186 
2163 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 38 more`
2187 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 41 more`
21642188 
21652189 - `"message-batches-2024-09-24"`
21662190 
from line 2268
22442268 
22452269 - `"ce-user-management-2026-07-13"`
22462270 
2271 - `"mid-conversation-output-config-2026-07-01"`
2272 
2273 - `"thinking-binding-controls-2026-08-01"`
2274 
2275 - `"mid-conversation-system-clear-at-2026-08-21"`
2276 
22472277### Returns
22482278 
22492279- `BetaManagedAgentsAgent object`
from line 2316
22862316 
22872317 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
22882318 
2289 - `"claude-sonnet-5" or "claude-fable-5" or "claude-opus-5" or 10 more`
2319 - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more`
22902320 
22912321 The model that will power your agent.
22922322 
22932323 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
22942324 
2325 - `"claude-fable-5-1"`
2326 
2327 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
2328 
22952329 - `"claude-sonnet-5"`
22962330 
22972331 High-performance model for coding and agents
from line 2912
28782912 
28792913 - `string`
28802914 
2881 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 38 more`
2915 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 41 more`
28822916 
28832917 - `"message-batches-2024-09-24"`
28842918 
from line 2996
29622996 
29632997 - `"ce-user-management-2026-07-13"`
29642998 
2999 - `"mid-conversation-output-config-2026-07-01"`
3000 
3001 - `"thinking-binding-controls-2026-08-01"`
3002 
3003 - `"mid-conversation-system-clear-at-2026-08-21"`
3004 
29653005### Body parameters
29663006 
29673007- `description: optional string or null`
from line 3036
29963036 
29973037 Model identifier. Accepts the [model string](https://platform.claude.com/docs/en/about-claude/models/overview#latest-models-comparison), e.g. `claude-opus-5`, or a `model_config` object for additional configuration control. Omit to preserve. Cannot be cleared.
29983038 
2999 - `BetaManagedAgentsModel = "claude-sonnet-5" or "claude-fable-5" or "claude-opus-5" or 10 more or string`
3039 - `BetaManagedAgentsModel = "claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more or string`
30003040 
30013041 The model that will power your agent.
30023042 
30033043 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
30043044 
3005 - `"claude-sonnet-5" or "claude-fable-5" or "claude-opus-5" or 10 more`
3045 - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more`
30063046 
30073047 The model that will power your agent.
30083048 
30093049 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
30103050 
3051 - `"claude-fable-5-1"`
3052 
3053 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
3054 
30113055 - `"claude-sonnet-5"`
30123056 
30133057 High-performance model for coding and agents
from line 3708
36643708 
36653709 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
36663710 
3667 - `"claude-sonnet-5" or "claude-fable-5" or "claude-opus-5" or 10 more`
3711 - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more`
36683712 
36693713 The model that will power your agent.
36703714 
36713715 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
36723716 
3717 - `"claude-fable-5-1"`
3718 
3719 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
3720 
36733721 - `"claude-sonnet-5"`
36743722 
36753723 High-performance model for coding and agents
from line 4310
42624310 
42634311 - `string`
42644312 
4265 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 38 more`
4313 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 41 more`
42664314 
42674315 - `"message-batches-2024-09-24"`
42684316 
from line 4394
43464394 
43474395 - `"ce-user-management-2026-07-13"`
43484396 
4397 - `"mid-conversation-output-config-2026-07-01"`
4398 
4399 - `"thinking-binding-controls-2026-08-01"`
4400 
4401 - `"mid-conversation-system-clear-at-2026-08-21"`
4402 
43494403### Returns
43504404 
43514405- `BetaManagedAgentsAgent object`
from line 4442
43884442 
43894443 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
43904444 
4391 - `"claude-sonnet-5" or "claude-fable-5" or "claude-opus-5" or 10 more`
4445 - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more`
43924446 
43934447 The model that will power your agent.
43944448 
43954449 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
43964450 
4451 - `"claude-fable-5-1"`
4452 
4453 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
4454 
43974455 - `"claude-sonnet-5"`
43984456 
43994457 High-performance model for coding and agents
from line 5077
50195077 
50205078 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
50215079 
5022 - `"claude-sonnet-5" or "claude-fable-5" or "claude-opus-5" or 10 more`
5080 - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more`
50235081 
50245082 The model that will power your agent.
50255083 
50265084 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
50275085 
5086 - `"claude-fable-5-1"`
5087 
5088 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
5089 
50285090 - `"claude-sonnet-5"`
50295091 
50305092 High-performance model for coding and agents
from line 7453
73917453 
73927454### Beta Managed Agents Model
73937455 
7394- `BetaManagedAgentsModel = "claude-sonnet-5" or "claude-fable-5" or "claude-opus-5" or 10 more or string`
7456- `BetaManagedAgentsModel = "claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more or string`
73957457 
73967458 The model that will power your agent.
73977459 
73987460 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
73997461 
7400 - `"claude-sonnet-5" or "claude-fable-5" or "claude-opus-5" or 10 more`
7462 - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more`
74017463 
74027464 The model that will power your agent.
74037465 
74047466 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
74057467 
7468 - `"claude-fable-5-1"`
7469 
7470 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
7471 
74067472 - `"claude-sonnet-5"`
74077473 
74087474 High-performance model for coding and agents
from line 7535
74697535 
74707536 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
74717537 
7472 - `"claude-sonnet-5" or "claude-fable-5" or "claude-opus-5" or 10 more`
7538 - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more`
74737539 
74747540 The model that will power your agent.
74757541 
74767542 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
74777543 
7544 - `"claude-fable-5-1"`
7545 
7546 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
7547 
74787548 - `"claude-sonnet-5"`
74797549 
74807550 High-performance model for coding and agents
from line 7657
75877657 
75887658 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
75897659 
7590 - `"claude-sonnet-5" or "claude-fable-5" or "claude-opus-5" or 10 more`
7660 - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more`
75917661 
75927662 The model that will power your agent.
75937663 
75947664 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
75957665 
7666 - `"claude-fable-5-1"`
7667 
7668 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
7669 
75967670 - `"claude-sonnet-5"`
75977671 
75987672 High-performance model for coding and agents
from line 7961
78877961 
78887962 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
78897963 
7890 - `"claude-sonnet-5" or "claude-fable-5" or "claude-opus-5" or 10 more`
7964 - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more`
78917965 
78927966 The model that will power your agent.
78937967 
78947968 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
78957969 
7970 - `"claude-fable-5-1"`
7971 
7972 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
7973 
78967974 - `"claude-sonnet-5"`
78977975 
78987976 High-performance model for coding and agents
from line 8813
87358813 
87368814 - `string`
87378815 
8738 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 38 more`
8816 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 41 more`
87398817 
87408818 - `"message-batches-2024-09-24"`
87418819 
from line 8897
88198897 
88208898 - `"ce-user-management-2026-07-13"`
88218899 
8900 - `"mid-conversation-output-config-2026-07-01"`
8901 
8902 - `"thinking-binding-controls-2026-08-01"`
8903 
8904 - `"mid-conversation-system-clear-at-2026-08-21"`
8905 
88228906#### Returns
88238907 
88248908- `data: array of BetaManagedAgentsAgent`
from line 8945
88618945 
88628946 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
88638947 
8864 - `"claude-sonnet-5" or "claude-fable-5" or "claude-opus-5" or 10 more`
8948 - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more`
88658949 
88668950 The model that will power your agent.
88678951 
88688952 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
8953 
8954 - `"claude-fable-5-1"`
8955 
8956 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
88698957 
88708958 - `"claude-sonnet-5"`
88718959