Get Agent changedapi/beta/agents/retrieve
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
31
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
from line 31, old and new numbered
/
from line 31
3131
3232 - `string`
3333
34 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 45 more`
34 - `"message-batches-2024-09-24"`
3535
36 - `"message-batches-2024-09-24"`
36 - `"prompt-caching-2024-07-31"`
3737
38 - `"prompt-caching-2024-07-31"`
38 - `"computer-use-2024-10-22"`
3939
40 - `"computer-use-2024-10-22"`
40 - `"computer-use-2025-01-24"`
4141
42 - `"computer-use-2025-01-24"`
42 - `"pdfs-2024-09-25"`
4343
44 - `"pdfs-2024-09-25"`
44 - `"token-counting-2024-11-01"`
4545
46 - `"token-counting-2024-11-01"`
46 - `"token-efficient-tools-2025-02-19"`
4747
48 - `"token-efficient-tools-2025-02-19"`
48 - `"output-128k-2025-02-19"`
4949
50 - `"output-128k-2025-02-19"`
50 - `"files-api-2025-04-14"`
5151
52 - `"files-api-2025-04-14"`
52 - `"mcp-client-2025-04-04"`
5353
54 - `"mcp-client-2025-04-04"`
54 - `"mcp-client-2025-11-20"`
5555
56 - `"mcp-client-2025-11-20"`
56 - `"dev-full-thinking-2025-05-14"`
5757
58 - `"dev-full-thinking-2025-05-14"`
58 - `"interleaved-thinking-2025-05-14"`
5959
60 - `"interleaved-thinking-2025-05-14"`
60 - `"code-execution-2025-05-22"`
6161
62 - `"code-execution-2025-05-22"`
62 - `"extended-cache-ttl-2025-04-11"`
6363
64 - `"extended-cache-ttl-2025-04-11"`
64 - `"context-1m-2025-08-07"`
6565
66 - `"context-1m-2025-08-07"`
66 - `"context-management-2025-06-27"`
6767
68 - `"context-management-2025-06-27"`
68 - `"model-context-window-exceeded-2025-08-26"`
6969
70 - `"model-context-window-exceeded-2025-08-26"`
70 - `"skills-2025-10-02"`
7171
72 - `"skills-2025-10-02"`
72 - `"fast-mode-2026-02-01"`
7373
74 - `"fast-mode-2026-02-01"`
74 - `"output-300k-2026-03-24"`
7575
76 - `"output-300k-2026-03-24"`
76 - `"user-profiles-2026-03-24"`
7777
78 - `"user-profiles-2026-03-24"`
78 - `"user-profiles-2026-08-18"`
7979
80 - `"user-profiles-2026-08-18"`
80 - `"user-profiles-2026-09-04"`
8181
82 - `"user-profiles-2026-09-04"`
82 - `"advisor-tool-2026-03-01"`
8383
84 - `"advisor-tool-2026-03-01"`
84 - `"managed-agents-2026-04-01"`
8585
86 - `"managed-agents-2026-04-01"`
86 - `"cache-diagnosis-2026-04-07"`
8787
88 - `"cache-diagnosis-2026-04-07"`
88 - `"dreaming-2026-04-21"`
8989
90 - `"dreaming-2026-04-21"`
90 - `"thinking-token-count-2026-05-13"`
9191
92 - `"thinking-token-count-2026-05-13"`
92 - `"server-side-fallback-2026-06-01"`
9393
94 - `"server-side-fallback-2026-06-01"`
94 - `"server-side-fallback-2026-07-01"`
9595
96 - `"server-side-fallback-2026-07-01"`
96 - `"fallback-credit-2026-06-01"`
9797
98 - `"fallback-credit-2026-06-01"`
98 - `"fallback-credit-2026-07-01"`
9999
100 - `"fallback-credit-2026-07-01"`
100 - `"agent-memory-2026-07-22"`
101101
102 - `"agent-memory-2026-07-22"`
102 - `"mid-conversation-tool-changes-2026-07-01"`
103103
104 - `"mid-conversation-tool-changes-2026-07-01"`
104 - `"compact-2026-01-12"`
105105
106 - `"compact-2026-01-12"`
106 - `"computer-use-2025-11-24"`
107107
108 - `"computer-use-2025-11-24"`
108 - `"mcp-tunnels-2026-06-22"`
109109
110 - `"mcp-tunnels-2026-06-22"`
110 - `"structured-outputs-2025-11-13"`
111111
112 - `"structured-outputs-2025-11-13"`
112 - `"task-budgets-2026-03-13"`
113113
114 - `"task-budgets-2026-03-13"`
114 - `"thinking-display-updates-2026-08-18"`
115115
116 - `"thinking-display-updates-2026-08-18"`
116 - `"ce-user-management-2026-07-13"`
117117
118 - `"ce-user-management-2026-07-13"`
118 - `"mid-conversation-output-config-2026-07-01"`
119119
120 - `"mid-conversation-output-config-2026-07-01"`
120 - `"thinking-binding-controls-2026-08-01"`
121121
122 - `"thinking-binding-controls-2026-08-01"`
122 - `"mid-conversation-system-clear-at-2026-08-21"`
123123
124 - `"mid-conversation-system-clear-at-2026-08-21"`
124 - `"compact-2026-09-04"`
125125
126 - `"compact-2026-09-04"`
126 - `"inline-tools-2026-09-15"`
127127
128 - `"inline-tools-2026-09-15"`
128 - `"mcp-client-2026-09-15"`
129129
130 - `"mcp-client-2026-09-15"`
131
132130- `"anthropic-workspace-id": optional string`
133131
134132 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 177
179177
180178 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
181179
182 - `"claude-sonnet-5-5" or "claude-opus-5-5" or "claude-fable-5-1" or 13 more`
180 - `"claude-sonnet-5-5"`
183181
184 The model that will power your agent.
182 Efficient model for coding and agents
185183
186 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
184 - `"claude-opus-5-5"`
187185
188 - `"claude-sonnet-5-5"`
186 Powerful intelligence for coding, knowledge work, and long-running agents
189187
190 Efficient model for coding and agents
188 - `"claude-fable-5-1"`
191189
192 - `"claude-opus-5-5"`
190 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
193191
194 Powerful intelligence for coding, knowledge work, and long-running agents
192 - `"claude-sonnet-5"`
195193
196 - `"claude-fable-5-1"`
194 Efficient model for coding and agents
197195
198 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
196 - `"claude-fable-5"`
199197
200 - `"claude-sonnet-5"`
198 Next generation of intelligence for the hardest knowledge work and coding problems
201199
202 Efficient model for coding and agents
200 - `"claude-opus-5"`
203201
204 - `"claude-fable-5"`
202 Powerful intelligence for long-running agents and coding
205203
206 Next generation of intelligence for the hardest knowledge work and coding problems
204 - `"claude-opus-4-8"`
207205
208 - `"claude-opus-5"`
206 Powerful intelligence for long-running agents and coding
209207
210 Powerful intelligence for long-running agents and coding
208 - `"claude-opus-4-7"`
211209
212 - `"claude-opus-4-8"`
210 Powerful intelligence for long-running agents and coding
213211
214 Powerful intelligence for long-running agents and coding
212 - `"claude-opus-4-6"`
215213
216 - `"claude-opus-4-7"`
214 Powerful intelligence for long-running agents and coding
217215
218 Powerful intelligence for long-running agents and coding
216 - `"claude-sonnet-4-6"`
219217
220 - `"claude-opus-4-6"`
218 Best combination of speed and intelligence
221219
222 Powerful intelligence for long-running agents and coding
220 - `"claude-haiku-4-5"`
223221
224 - `"claude-sonnet-4-6"`
222 Fastest model with near-frontier intelligence
225223
226 Best combination of speed and intelligence
224 - `"claude-haiku-4-5-20251001"`
227225
228 - `"claude-haiku-4-5"`
226 Fastest model with near-frontier intelligence
229227
230 Fastest model with near-frontier intelligence
228 - `"claude-opus-4-5"`
231229
232 - `"claude-haiku-4-5-20251001"`
230 Powerful intelligence for long-running agents and coding
233231
234 Fastest model with near-frontier intelligence
232 - `"claude-opus-4-5-20251101"`
235233
236 - `"claude-opus-4-5"`
234 Powerful intelligence for long-running agents and coding
237235
238 Powerful intelligence for long-running agents and coding
236 - `"claude-sonnet-4-5"`
239237
240 - `"claude-opus-4-5-20251101"`
238 High-performance model for agents and coding
241239
242 Powerful intelligence for long-running agents and coding
240 - `"claude-sonnet-4-5-20250929"`
243241
244 - `"claude-sonnet-4-5"`
245
246 High-performance model for agents and coding
247
248 - `"claude-sonnet-4-5-20250929"`
249
250 High-performance model for agents and coding
242 High-performance model for agents and coding
251243
252244 - `string`
253245
No line in this hunk matches that.