Stream Session Thread Events changedapi/beta/sessions/threads/events/stream
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.
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Lines−2removed
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28
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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
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2828
2929 - `string`
3030
31 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 38 more`
31 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 41 more`
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3333 - `"message-batches-2024-09-24"`
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112112
113113 - `"ce-user-management-2026-07-13"`
114114
115 - `"mid-conversation-output-config-2026-07-01"`
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117 - `"thinking-binding-controls-2026-08-01"`
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119 - `"mid-conversation-system-clear-at-2026-08-21"`
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115121## Returns
116122
117123- `BetaManagedAgentsStreamSessionThreadEvents = BetaManagedAgentsUserMessageEvent or BetaManagedAgentsUserInterruptEvent or BetaManagedAgentsUserToolConfirmationEvent or 34 more`
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15841590
15851591 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
15861592
1587 - `"claude-sonnet-5" or "claude-fable-5" or "claude-opus-5" or 10 more`
1593 - `"claude-fable-5-1" or "claude-sonnet-5" or "claude-fable-5" or 11 more`
15881594
15891595 The model that will power your agent.
15901596
15911597 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
1598
1599 - `"claude-fable-5-1"`
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1601 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
15921602
15931603 - `"claude-sonnet-5"`
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