Follow Discord
Sweep 28 Sep 2026 · 18:16Z Build v2.1.284 505 read Stable v2.1.277 Latest v2.1.284 Next v2.1.284 Feeds RSS JSON llms.txt llms-full.txt Unofficial
One change · api

Archive Session changedapi/beta/sessions/archive

Nearest release: v2.1.284, published 8 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+70added
Lines−66removed
From line 163 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits12to this page, all time

The whole hunk

from line 163, old and new numbered
/
lines
from line 163
163163 
164164 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
165165 
166 - `string`
166 - `"claude-sonnet-5-5" or "claude-opus-5-5" or "claude-fable-5-1" or 13 more`
167167 
168 - `"claude-opus-5-5" or "claude-fable-5-1" or "claude-sonnet-5" or 12 more`
169 
170168 The model that will power your agent.
171169 
172170 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
173171 
172 - `"claude-sonnet-5-5"`
173 
174 Efficient model for coding and agents
175 
174176 - `"claude-opus-5-5"`
175177 
176178 Powerful intelligence for coding, knowledge work, and long-running agents
from line 183
181183 
182184 - `"claude-sonnet-5"`
183185 
184 High-performance model for coding and agents
186 Efficient model for coding and agents
185187 
186188 - `"claude-fable-5"`
187189 
from line 232
230232 - `"claude-sonnet-4-5-20250929"`
231233 
232234 High-performance model for agents and coding
235 
236 - `string`
233237 
234238 - `effort: optional BetaManagedAgentsEffortLow or BetaManagedAgentsEffortMedium or BetaManagedAgentsEffortHigh or 2 more`
235239 
Feedback