Archive Session changedapi/beta/sessions/archive
Nearest release: v2.1.286, 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+158added
Lines−166removed
From line
21
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits15to this page, all time
The whole hunk
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/
from line 21
2121
2222 - `string`
2323
24 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 45 more`
24 - `"message-batches-2024-09-24"`
2525
26 - `"message-batches-2024-09-24"`
26 - `"prompt-caching-2024-07-31"`
2727
28 - `"prompt-caching-2024-07-31"`
28 - `"computer-use-2024-10-22"`
2929
30 - `"computer-use-2024-10-22"`
30 - `"computer-use-2025-01-24"`
3131
32 - `"computer-use-2025-01-24"`
32 - `"pdfs-2024-09-25"`
3333
34 - `"pdfs-2024-09-25"`
34 - `"token-counting-2024-11-01"`
3535
36 - `"token-counting-2024-11-01"`
36 - `"token-efficient-tools-2025-02-19"`
3737
38 - `"token-efficient-tools-2025-02-19"`
38 - `"output-128k-2025-02-19"`
3939
40 - `"output-128k-2025-02-19"`
40 - `"files-api-2025-04-14"`
4141
42 - `"files-api-2025-04-14"`
42 - `"mcp-client-2025-04-04"`
4343
44 - `"mcp-client-2025-04-04"`
44 - `"mcp-client-2025-11-20"`
4545
46 - `"mcp-client-2025-11-20"`
46 - `"dev-full-thinking-2025-05-14"`
4747
48 - `"dev-full-thinking-2025-05-14"`
48 - `"interleaved-thinking-2025-05-14"`
4949
50 - `"interleaved-thinking-2025-05-14"`
50 - `"code-execution-2025-05-22"`
5151
52 - `"code-execution-2025-05-22"`
52 - `"extended-cache-ttl-2025-04-11"`
5353
54 - `"extended-cache-ttl-2025-04-11"`
54 - `"context-1m-2025-08-07"`
5555
56 - `"context-1m-2025-08-07"`
56 - `"context-management-2025-06-27"`
5757
58 - `"context-management-2025-06-27"`
58 - `"model-context-window-exceeded-2025-08-26"`
5959
60 - `"model-context-window-exceeded-2025-08-26"`
60 - `"skills-2025-10-02"`
6161
62 - `"skills-2025-10-02"`
62 - `"fast-mode-2026-02-01"`
6363
64 - `"fast-mode-2026-02-01"`
64 - `"output-300k-2026-03-24"`
6565
66 - `"output-300k-2026-03-24"`
66 - `"user-profiles-2026-03-24"`
6767
68 - `"user-profiles-2026-03-24"`
68 - `"user-profiles-2026-08-18"`
6969
70 - `"user-profiles-2026-08-18"`
70 - `"user-profiles-2026-09-04"`
7171
72 - `"user-profiles-2026-09-04"`
72 - `"advisor-tool-2026-03-01"`
7373
74 - `"advisor-tool-2026-03-01"`
74 - `"managed-agents-2026-04-01"`
7575
76 - `"managed-agents-2026-04-01"`
76 - `"cache-diagnosis-2026-04-07"`
7777
78 - `"cache-diagnosis-2026-04-07"`
78 - `"dreaming-2026-04-21"`
7979
80 - `"dreaming-2026-04-21"`
80 - `"thinking-token-count-2026-05-13"`
8181
82 - `"thinking-token-count-2026-05-13"`
82 - `"server-side-fallback-2026-06-01"`
8383
84 - `"server-side-fallback-2026-06-01"`
84 - `"server-side-fallback-2026-07-01"`
8585
86 - `"server-side-fallback-2026-07-01"`
86 - `"fallback-credit-2026-06-01"`
8787
88 - `"fallback-credit-2026-06-01"`
88 - `"fallback-credit-2026-07-01"`
8989
90 - `"fallback-credit-2026-07-01"`
90 - `"agent-memory-2026-07-22"`
9191
92 - `"agent-memory-2026-07-22"`
92 - `"mid-conversation-tool-changes-2026-07-01"`
9393
94 - `"mid-conversation-tool-changes-2026-07-01"`
94 - `"compact-2026-01-12"`
9595
96 - `"compact-2026-01-12"`
96 - `"computer-use-2025-11-24"`
9797
98 - `"computer-use-2025-11-24"`
98 - `"mcp-tunnels-2026-06-22"`
9999
100 - `"mcp-tunnels-2026-06-22"`
100 - `"structured-outputs-2025-11-13"`
101101
102 - `"structured-outputs-2025-11-13"`
102 - `"task-budgets-2026-03-13"`
103103
104 - `"task-budgets-2026-03-13"`
104 - `"thinking-display-updates-2026-08-18"`
105105
106 - `"thinking-display-updates-2026-08-18"`
106 - `"ce-user-management-2026-07-13"`
107107
108 - `"ce-user-management-2026-07-13"`
108 - `"mid-conversation-output-config-2026-07-01"`
109109
110 - `"mid-conversation-output-config-2026-07-01"`
110 - `"thinking-binding-controls-2026-08-01"`
111111
112 - `"thinking-binding-controls-2026-08-01"`
112 - `"mid-conversation-system-clear-at-2026-08-21"`
113113
114 - `"mid-conversation-system-clear-at-2026-08-21"`
114 - `"compact-2026-09-04"`
115115
116 - `"compact-2026-09-04"`
116 - `"inline-tools-2026-09-15"`
117117
118 - `"inline-tools-2026-09-15"`
118 - `"mcp-client-2026-09-15"`
119119
120 - `"mcp-client-2026-09-15"`
121
122120- `"anthropic-workspace-id": optional string`
123121
124122 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 161
163161
164162 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
165163
166 - `"claude-sonnet-5-5" or "claude-opus-5-5" or "claude-fable-5-1" or 13 more`
164 - `"claude-sonnet-5-5"`
167165
168 The model that will power your agent.
166 Efficient model for coding and agents
169167
170 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
168 - `"claude-opus-5-5"`
171169
172 - `"claude-sonnet-5-5"`
170 Powerful intelligence for coding, knowledge work, and long-running agents
173171
174 Efficient model for coding and agents
172 - `"claude-fable-5-1"`
175173
176 - `"claude-opus-5-5"`
174 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
177175
178 Powerful intelligence for coding, knowledge work, and long-running agents
176 - `"claude-sonnet-5"`
179177
180 - `"claude-fable-5-1"`
178 Efficient model for coding and agents
181179
182 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
180 - `"claude-fable-5"`
183181
184 - `"claude-sonnet-5"`
182 Next generation of intelligence for the hardest knowledge work and coding problems
185183
186 Efficient model for coding and agents
184 - `"claude-opus-5"`
187185
188 - `"claude-fable-5"`
186 Powerful intelligence for long-running agents and coding
189187
190 Next generation of intelligence for the hardest knowledge work and coding problems
188 - `"claude-opus-4-8"`
191189
192 - `"claude-opus-5"`
190 Powerful intelligence for long-running agents and coding
193191
194 Powerful intelligence for long-running agents and coding
192 - `"claude-opus-4-7"`
195193
196 - `"claude-opus-4-8"`
194 Powerful intelligence for long-running agents and coding
197195
198 Powerful intelligence for long-running agents and coding
196 - `"claude-opus-4-6"`
199197
200 - `"claude-opus-4-7"`
198 Powerful intelligence for long-running agents and coding
201199
202 Powerful intelligence for long-running agents and coding
200 - `"claude-sonnet-4-6"`
203201
204 - `"claude-opus-4-6"`
202 Best combination of speed and intelligence
205203
206 Powerful intelligence for long-running agents and coding
204 - `"claude-haiku-4-5"`
207205
208 - `"claude-sonnet-4-6"`
206 Fastest model with near-frontier intelligence
209207
210 Best combination of speed and intelligence
208 - `"claude-haiku-4-5-20251001"`
211209
212 - `"claude-haiku-4-5"`
210 Fastest model with near-frontier intelligence
213211
214 Fastest model with near-frontier intelligence
212 - `"claude-opus-4-5"`
215213
216 - `"claude-haiku-4-5-20251001"`
214 Powerful intelligence for long-running agents and coding
217215
218 Fastest model with near-frontier intelligence
216 - `"claude-opus-4-5-20251101"`
219217
220 - `"claude-opus-4-5"`
218 Powerful intelligence for long-running agents and coding
221219
222 Powerful intelligence for long-running agents and coding
220 - `"claude-sonnet-4-5"`
223221
224 - `"claude-opus-4-5-20251101"`
222 High-performance model for agents and coding
225223
226 Powerful intelligence for long-running agents and coding
224 - `"claude-sonnet-4-5-20250929"`
227225
228 - `"claude-sonnet-4-5"`
229
230 High-performance model for agents and coding
231
232 - `"claude-sonnet-4-5-20250929"`
233
234 High-performance model for agents and coding
226 High-performance model for agents and coding
235227
236228 - `string`
237229
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