List Agent Versions changedapi/beta/agents/versions/list
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
35
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 35, old and new numbered
/
from line 35
3535
3636 - `string`
3737
38 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 45 more`
38 - `"message-batches-2024-09-24"`
3939
40 - `"message-batches-2024-09-24"`
40 - `"prompt-caching-2024-07-31"`
4141
42 - `"prompt-caching-2024-07-31"`
42 - `"computer-use-2024-10-22"`
4343
44 - `"computer-use-2024-10-22"`
44 - `"computer-use-2025-01-24"`
4545
46 - `"computer-use-2025-01-24"`
46 - `"pdfs-2024-09-25"`
4747
48 - `"pdfs-2024-09-25"`
48 - `"token-counting-2024-11-01"`
4949
50 - `"token-counting-2024-11-01"`
50 - `"token-efficient-tools-2025-02-19"`
5151
52 - `"token-efficient-tools-2025-02-19"`
52 - `"output-128k-2025-02-19"`
5353
54 - `"output-128k-2025-02-19"`
54 - `"files-api-2025-04-14"`
5555
56 - `"files-api-2025-04-14"`
56 - `"mcp-client-2025-04-04"`
5757
58 - `"mcp-client-2025-04-04"`
58 - `"mcp-client-2025-11-20"`
5959
60 - `"mcp-client-2025-11-20"`
60 - `"dev-full-thinking-2025-05-14"`
6161
62 - `"dev-full-thinking-2025-05-14"`
62 - `"interleaved-thinking-2025-05-14"`
6363
64 - `"interleaved-thinking-2025-05-14"`
64 - `"code-execution-2025-05-22"`
6565
66 - `"code-execution-2025-05-22"`
66 - `"extended-cache-ttl-2025-04-11"`
6767
68 - `"extended-cache-ttl-2025-04-11"`
68 - `"context-1m-2025-08-07"`
6969
70 - `"context-1m-2025-08-07"`
70 - `"context-management-2025-06-27"`
7171
72 - `"context-management-2025-06-27"`
72 - `"model-context-window-exceeded-2025-08-26"`
7373
74 - `"model-context-window-exceeded-2025-08-26"`
74 - `"skills-2025-10-02"`
7575
76 - `"skills-2025-10-02"`
76 - `"fast-mode-2026-02-01"`
7777
78 - `"fast-mode-2026-02-01"`
78 - `"output-300k-2026-03-24"`
7979
80 - `"output-300k-2026-03-24"`
80 - `"user-profiles-2026-03-24"`
8181
82 - `"user-profiles-2026-03-24"`
82 - `"user-profiles-2026-08-18"`
8383
84 - `"user-profiles-2026-08-18"`
84 - `"user-profiles-2026-09-04"`
8585
86 - `"user-profiles-2026-09-04"`
86 - `"advisor-tool-2026-03-01"`
8787
88 - `"advisor-tool-2026-03-01"`
88 - `"managed-agents-2026-04-01"`
8989
90 - `"managed-agents-2026-04-01"`
90 - `"cache-diagnosis-2026-04-07"`
9191
92 - `"cache-diagnosis-2026-04-07"`
92 - `"dreaming-2026-04-21"`
9393
94 - `"dreaming-2026-04-21"`
94 - `"thinking-token-count-2026-05-13"`
9595
96 - `"thinking-token-count-2026-05-13"`
96 - `"server-side-fallback-2026-06-01"`
9797
98 - `"server-side-fallback-2026-06-01"`
98 - `"server-side-fallback-2026-07-01"`
9999
100 - `"server-side-fallback-2026-07-01"`
100 - `"fallback-credit-2026-06-01"`
101101
102 - `"fallback-credit-2026-06-01"`
102 - `"fallback-credit-2026-07-01"`
103103
104 - `"fallback-credit-2026-07-01"`
104 - `"agent-memory-2026-07-22"`
105105
106 - `"agent-memory-2026-07-22"`
106 - `"mid-conversation-tool-changes-2026-07-01"`
107107
108 - `"mid-conversation-tool-changes-2026-07-01"`
108 - `"compact-2026-01-12"`
109109
110 - `"compact-2026-01-12"`
110 - `"computer-use-2025-11-24"`
111111
112 - `"computer-use-2025-11-24"`
112 - `"mcp-tunnels-2026-06-22"`
113113
114 - `"mcp-tunnels-2026-06-22"`
114 - `"structured-outputs-2025-11-13"`
115115
116 - `"structured-outputs-2025-11-13"`
116 - `"task-budgets-2026-03-13"`
117117
118 - `"task-budgets-2026-03-13"`
118 - `"thinking-display-updates-2026-08-18"`
119119
120 - `"thinking-display-updates-2026-08-18"`
120 - `"ce-user-management-2026-07-13"`
121121
122 - `"ce-user-management-2026-07-13"`
122 - `"mid-conversation-output-config-2026-07-01"`
123123
124 - `"mid-conversation-output-config-2026-07-01"`
124 - `"thinking-binding-controls-2026-08-01"`
125125
126 - `"thinking-binding-controls-2026-08-01"`
126 - `"mid-conversation-system-clear-at-2026-08-21"`
127127
128 - `"mid-conversation-system-clear-at-2026-08-21"`
128 - `"compact-2026-09-04"`
129129
130 - `"compact-2026-09-04"`
130 - `"inline-tools-2026-09-15"`
131131
132 - `"inline-tools-2026-09-15"`
132 - `"mcp-client-2026-09-15"`
133133
134 - `"mcp-client-2026-09-15"`
135
136134- `"anthropic-workspace-id": optional string`
137135
138136 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 181
183181
184182 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
185183
186 - `"claude-sonnet-5-5" or "claude-opus-5-5" or "claude-fable-5-1" or 13 more`
184 - `"claude-sonnet-5-5"`
187185
188 The model that will power your agent.
186 Efficient model for coding and agents
189187
190 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
188 - `"claude-opus-5-5"`
191189
192 - `"claude-sonnet-5-5"`
190 Powerful intelligence for coding, knowledge work, and long-running agents
193191
194 Efficient model for coding and agents
192 - `"claude-fable-5-1"`
195193
196 - `"claude-opus-5-5"`
194 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
197195
198 Powerful intelligence for coding, knowledge work, and long-running agents
196 - `"claude-sonnet-5"`
199197
200 - `"claude-fable-5-1"`
198 Efficient model for coding and agents
201199
202 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
200 - `"claude-fable-5"`
203201
204 - `"claude-sonnet-5"`
202 Next generation of intelligence for the hardest knowledge work and coding problems
205203
206 Efficient model for coding and agents
204 - `"claude-opus-5"`
207205
208 - `"claude-fable-5"`
206 Powerful intelligence for long-running agents and coding
209207
210 Next generation of intelligence for the hardest knowledge work and coding problems
208 - `"claude-opus-4-8"`
211209
212 - `"claude-opus-5"`
210 Powerful intelligence for long-running agents and coding
213211
214 Powerful intelligence for long-running agents and coding
212 - `"claude-opus-4-7"`
215213
216 - `"claude-opus-4-8"`
214 Powerful intelligence for long-running agents and coding
217215
218 Powerful intelligence for long-running agents and coding
216 - `"claude-opus-4-6"`
219217
220 - `"claude-opus-4-7"`
218 Powerful intelligence for long-running agents and coding
221219
222 Powerful intelligence for long-running agents and coding
220 - `"claude-sonnet-4-6"`
223221
224 - `"claude-opus-4-6"`
222 Best combination of speed and intelligence
225223
226 Powerful intelligence for long-running agents and coding
224 - `"claude-haiku-4-5"`
227225
228 - `"claude-sonnet-4-6"`
226 Fastest model with near-frontier intelligence
229227
230 Best combination of speed and intelligence
228 - `"claude-haiku-4-5-20251001"`
231229
232 - `"claude-haiku-4-5"`
230 Fastest model with near-frontier intelligence
233231
234 Fastest model with near-frontier intelligence
232 - `"claude-opus-4-5"`
235233
236 - `"claude-haiku-4-5-20251001"`
234 Powerful intelligence for long-running agents and coding
237235
238 Fastest model with near-frontier intelligence
236 - `"claude-opus-4-5-20251101"`
239237
240 - `"claude-opus-4-5"`
238 Powerful intelligence for long-running agents and coding
241239
242 Powerful intelligence for long-running agents and coding
240 - `"claude-sonnet-4-5"`
243241
244 - `"claude-opus-4-5-20251101"`
242 High-performance model for agents and coding
245243
246 Powerful intelligence for long-running agents and coding
244 - `"claude-sonnet-4-5-20250929"`
247245
248 - `"claude-sonnet-4-5"`
249
250 High-performance model for agents and coding
251
252 - `"claude-sonnet-4-5-20250929"`
253
254 High-performance model for agents and coding
246 High-performance model for agents and coding
255247
256248 - `string`
257249
No line in this hunk matches that.