List Sessions changedapi/beta/sessions/list
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Lines−66removed
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14 Aug 2026
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Recorded edits12to this page, all time
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245245
246246 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
247247
248 - `string`
248 - `"claude-sonnet-5-5" or "claude-opus-5-5" or "claude-fable-5-1" or 13 more`
249249
250 - `"claude-opus-5-5" or "claude-fable-5-1" or "claude-sonnet-5" or 12 more`
251
252250 The model that will power your agent.
253251
254252 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
255253
254 - `"claude-sonnet-5-5"`
255
256 Efficient model for coding and agents
257
256258 - `"claude-opus-5-5"`
257259
258260 Powerful intelligence for coding, knowledge work, and long-running agents
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263265
264266 - `"claude-sonnet-5"`
265267
266 High-performance model for coding and agents
268 Efficient model for coding and agents
267269
268270 - `"claude-fable-5"`
269271
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312314 - `"claude-sonnet-4-5-20250929"`
313315
314316 High-performance model for agents and coding
317
318 - `string`
315319
316320 - `effort: optional BetaManagedAgentsEffortLow or BetaManagedAgentsEffortMedium or BetaManagedAgentsEffortHigh or 2 more`
317321
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