Versions changedapi/beta/agents/versions
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
37
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 37, old and new numbered
/
from line 37
3737
3838 - `string`
3939
40 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 45 more`
40 - `"message-batches-2024-09-24"`
4141
42 - `"message-batches-2024-09-24"`
42 - `"prompt-caching-2024-07-31"`
4343
44 - `"prompt-caching-2024-07-31"`
44 - `"computer-use-2024-10-22"`
4545
46 - `"computer-use-2024-10-22"`
46 - `"computer-use-2025-01-24"`
4747
48 - `"computer-use-2025-01-24"`
48 - `"pdfs-2024-09-25"`
4949
50 - `"pdfs-2024-09-25"`
50 - `"token-counting-2024-11-01"`
5151
52 - `"token-counting-2024-11-01"`
52 - `"token-efficient-tools-2025-02-19"`
5353
54 - `"token-efficient-tools-2025-02-19"`
54 - `"output-128k-2025-02-19"`
5555
56 - `"output-128k-2025-02-19"`
56 - `"files-api-2025-04-14"`
5757
58 - `"files-api-2025-04-14"`
58 - `"mcp-client-2025-04-04"`
5959
60 - `"mcp-client-2025-04-04"`
60 - `"mcp-client-2025-11-20"`
6161
62 - `"mcp-client-2025-11-20"`
62 - `"dev-full-thinking-2025-05-14"`
6363
64 - `"dev-full-thinking-2025-05-14"`
64 - `"interleaved-thinking-2025-05-14"`
6565
66 - `"interleaved-thinking-2025-05-14"`
66 - `"code-execution-2025-05-22"`
6767
68 - `"code-execution-2025-05-22"`
68 - `"extended-cache-ttl-2025-04-11"`
6969
70 - `"extended-cache-ttl-2025-04-11"`
70 - `"context-1m-2025-08-07"`
7171
72 - `"context-1m-2025-08-07"`
72 - `"context-management-2025-06-27"`
7373
74 - `"context-management-2025-06-27"`
74 - `"model-context-window-exceeded-2025-08-26"`
7575
76 - `"model-context-window-exceeded-2025-08-26"`
76 - `"skills-2025-10-02"`
7777
78 - `"skills-2025-10-02"`
78 - `"fast-mode-2026-02-01"`
7979
80 - `"fast-mode-2026-02-01"`
80 - `"output-300k-2026-03-24"`
8181
82 - `"output-300k-2026-03-24"`
82 - `"user-profiles-2026-03-24"`
8383
84 - `"user-profiles-2026-03-24"`
84 - `"user-profiles-2026-08-18"`
8585
86 - `"user-profiles-2026-08-18"`
86 - `"user-profiles-2026-09-04"`
8787
88 - `"user-profiles-2026-09-04"`
88 - `"advisor-tool-2026-03-01"`
8989
90 - `"advisor-tool-2026-03-01"`
90 - `"managed-agents-2026-04-01"`
9191
92 - `"managed-agents-2026-04-01"`
92 - `"cache-diagnosis-2026-04-07"`
9393
94 - `"cache-diagnosis-2026-04-07"`
94 - `"dreaming-2026-04-21"`
9595
96 - `"dreaming-2026-04-21"`
96 - `"thinking-token-count-2026-05-13"`
9797
98 - `"thinking-token-count-2026-05-13"`
98 - `"server-side-fallback-2026-06-01"`
9999
100 - `"server-side-fallback-2026-06-01"`
100 - `"server-side-fallback-2026-07-01"`
101101
102 - `"server-side-fallback-2026-07-01"`
102 - `"fallback-credit-2026-06-01"`
103103
104 - `"fallback-credit-2026-06-01"`
104 - `"fallback-credit-2026-07-01"`
105105
106 - `"fallback-credit-2026-07-01"`
106 - `"agent-memory-2026-07-22"`
107107
108 - `"agent-memory-2026-07-22"`
108 - `"mid-conversation-tool-changes-2026-07-01"`
109109
110 - `"mid-conversation-tool-changes-2026-07-01"`
110 - `"compact-2026-01-12"`
111111
112 - `"compact-2026-01-12"`
112 - `"computer-use-2025-11-24"`
113113
114 - `"computer-use-2025-11-24"`
114 - `"mcp-tunnels-2026-06-22"`
115115
116 - `"mcp-tunnels-2026-06-22"`
116 - `"structured-outputs-2025-11-13"`
117117
118 - `"structured-outputs-2025-11-13"`
118 - `"task-budgets-2026-03-13"`
119119
120 - `"task-budgets-2026-03-13"`
120 - `"thinking-display-updates-2026-08-18"`
121121
122 - `"thinking-display-updates-2026-08-18"`
122 - `"ce-user-management-2026-07-13"`
123123
124 - `"ce-user-management-2026-07-13"`
124 - `"mid-conversation-output-config-2026-07-01"`
125125
126 - `"mid-conversation-output-config-2026-07-01"`
126 - `"thinking-binding-controls-2026-08-01"`
127127
128 - `"thinking-binding-controls-2026-08-01"`
128 - `"mid-conversation-system-clear-at-2026-08-21"`
129129
130 - `"mid-conversation-system-clear-at-2026-08-21"`
130 - `"compact-2026-09-04"`
131131
132 - `"compact-2026-09-04"`
132 - `"inline-tools-2026-09-15"`
133133
134 - `"inline-tools-2026-09-15"`
134 - `"mcp-client-2026-09-15"`
135135
136 - `"mcp-client-2026-09-15"`
137
138136- `"anthropic-workspace-id": optional string`
139137
140138 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 183
185183
186184 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
187185
188 - `"claude-sonnet-5-5" or "claude-opus-5-5" or "claude-fable-5-1" or 13 more`
186 - `"claude-sonnet-5-5"`
189187
190 The model that will power your agent.
188 Efficient model for coding and agents
191189
192 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
190 - `"claude-opus-5-5"`
193191
194 - `"claude-sonnet-5-5"`
192 Powerful intelligence for coding, knowledge work, and long-running agents
195193
196 Efficient model for coding and agents
194 - `"claude-fable-5-1"`
197195
198 - `"claude-opus-5-5"`
196 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
199197
200 Powerful intelligence for coding, knowledge work, and long-running agents
198 - `"claude-sonnet-5"`
201199
202 - `"claude-fable-5-1"`
200 Efficient model for coding and agents
203201
204 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
202 - `"claude-fable-5"`
205203
206 - `"claude-sonnet-5"`
204 Next generation of intelligence for the hardest knowledge work and coding problems
207205
208 Efficient model for coding and agents
206 - `"claude-opus-5"`
209207
210 - `"claude-fable-5"`
208 Powerful intelligence for long-running agents and coding
211209
212 Next generation of intelligence for the hardest knowledge work and coding problems
210 - `"claude-opus-4-8"`
213211
214 - `"claude-opus-5"`
212 Powerful intelligence for long-running agents and coding
215213
216 Powerful intelligence for long-running agents and coding
214 - `"claude-opus-4-7"`
217215
218 - `"claude-opus-4-8"`
216 Powerful intelligence for long-running agents and coding
219217
220 Powerful intelligence for long-running agents and coding
218 - `"claude-opus-4-6"`
221219
222 - `"claude-opus-4-7"`
220 Powerful intelligence for long-running agents and coding
223221
224 Powerful intelligence for long-running agents and coding
222 - `"claude-sonnet-4-6"`
225223
226 - `"claude-opus-4-6"`
224 Best combination of speed and intelligence
227225
228 Powerful intelligence for long-running agents and coding
226 - `"claude-haiku-4-5"`
229227
230 - `"claude-sonnet-4-6"`
228 Fastest model with near-frontier intelligence
231229
232 Best combination of speed and intelligence
230 - `"claude-haiku-4-5-20251001"`
233231
234 - `"claude-haiku-4-5"`
232 Fastest model with near-frontier intelligence
235233
236 Fastest model with near-frontier intelligence
234 - `"claude-opus-4-5"`
237235
238 - `"claude-haiku-4-5-20251001"`
236 Powerful intelligence for long-running agents and coding
239237
240 Fastest model with near-frontier intelligence
238 - `"claude-opus-4-5-20251101"`
241239
242 - `"claude-opus-4-5"`
240 Powerful intelligence for long-running agents and coding
243241
244 Powerful intelligence for long-running agents and coding
242 - `"claude-sonnet-4-5"`
245243
246 - `"claude-opus-4-5-20251101"`
244 High-performance model for agents and coding
247245
248 Powerful intelligence for long-running agents and coding
246 - `"claude-sonnet-4-5-20250929"`
249247
250 - `"claude-sonnet-4-5"`
251
252 High-performance model for agents and coding
253
254 - `"claude-sonnet-4-5-20250929"`
255
256 High-performance model for agents and coding
248 High-performance model for agents and coding
257249
258250 - `string`
259251
No line in this hunk matches that.