Events changedapi/beta/sessions/threads/events
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+24added
Lines−4removed
From line
32
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits30to this page, all time
The whole hunk
from line 32, old and new numbered
/
from line 32
3232
3333 - `string`
3434
35 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 38 more`
35 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 41 more`
3636
3737 - `"message-batches-2024-09-24"`
3838
from line 116
116116
117117 - `"ce-user-management-2026-07-13"`
118118
119 - `"mid-conversation-output-config-2026-07-01"`
120
121 - `"thinking-binding-controls-2026-08-01"`
122
123 - `"mid-conversation-system-clear-at-2026-08-21"`
124
119125### Returns
120126
121127- `data: optional array of BetaManagedAgentsSessionEvent`
from line 1594
15881594
15891595 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
15901596
1591 - `"claude-sonnet-5" or "claude-fable-5" or "claude-opus-5" or 10 more`
1597 - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more`
15921598
15931599 The model that will power your agent.
15941600
15951601 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
15961602
1603 - `"claude-fable-5-1"`
1604
1605 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
1606
15971607 - `"claude-sonnet-5"`
15981608
15991609 High-performance model for coding and agents
from line 2318
23082318
23092319 - `string`
23102320
2311 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 38 more`
2321 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 41 more`
23122322
23132323 - `"message-batches-2024-09-24"`
23142324
from line 2402
23922402
23932403 - `"ce-user-management-2026-07-13"`
23942404
2405 - `"mid-conversation-output-config-2026-07-01"`
2406
2407 - `"thinking-binding-controls-2026-08-01"`
2408
2409 - `"mid-conversation-system-clear-at-2026-08-21"`
2410
23952411### Returns
23962412
23972413- `BetaManagedAgentsStreamSessionThreadEvents = BetaManagedAgentsUserMessageEvent or BetaManagedAgentsUserInterruptEvent or BetaManagedAgentsUserToolConfirmationEvent or 34 more`
from line 3880
38643880
38653881 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
38663882
3867 - `"claude-sonnet-5" or "claude-fable-5" or "claude-opus-5" or 10 more`
3883 - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more`
38683884
38693885 The model that will power your agent.
38703886
38713887 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
3888
3889 - `"claude-fable-5-1"`
3890
3891 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
38723892
38733893 - `"claude-sonnet-5"`
38743894
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