Create a Text Completion changedapi/completions/create
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Lines+249added
Lines−263removed
From line
29
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits17to this page, all time
The whole hunk
from line 29, old and new numbered
/
from line 29
2929
3030 - `string`
3131
32 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 45 more`
32 - `"message-batches-2024-09-24"`
3333
34 - `"message-batches-2024-09-24"`
34 - `"prompt-caching-2024-07-31"`
3535
36 - `"prompt-caching-2024-07-31"`
36 - `"computer-use-2024-10-22"`
3737
38 - `"computer-use-2024-10-22"`
38 - `"computer-use-2025-01-24"`
3939
40 - `"computer-use-2025-01-24"`
40 - `"pdfs-2024-09-25"`
4141
42 - `"pdfs-2024-09-25"`
42 - `"token-counting-2024-11-01"`
4343
44 - `"token-counting-2024-11-01"`
44 - `"token-efficient-tools-2025-02-19"`
4545
46 - `"token-efficient-tools-2025-02-19"`
46 - `"output-128k-2025-02-19"`
4747
48 - `"output-128k-2025-02-19"`
48 - `"files-api-2025-04-14"`
4949
50 - `"files-api-2025-04-14"`
50 - `"mcp-client-2025-04-04"`
5151
52 - `"mcp-client-2025-04-04"`
52 - `"mcp-client-2025-11-20"`
5353
54 - `"mcp-client-2025-11-20"`
54 - `"dev-full-thinking-2025-05-14"`
5555
56 - `"dev-full-thinking-2025-05-14"`
56 - `"interleaved-thinking-2025-05-14"`
5757
58 - `"interleaved-thinking-2025-05-14"`
58 - `"code-execution-2025-05-22"`
5959
60 - `"code-execution-2025-05-22"`
60 - `"extended-cache-ttl-2025-04-11"`
6161
62 - `"extended-cache-ttl-2025-04-11"`
62 - `"context-1m-2025-08-07"`
6363
64 - `"context-1m-2025-08-07"`
64 - `"context-management-2025-06-27"`
6565
66 - `"context-management-2025-06-27"`
66 - `"model-context-window-exceeded-2025-08-26"`
6767
68 - `"model-context-window-exceeded-2025-08-26"`
68 - `"skills-2025-10-02"`
6969
70 - `"skills-2025-10-02"`
70 - `"fast-mode-2026-02-01"`
7171
72 - `"fast-mode-2026-02-01"`
72 - `"output-300k-2026-03-24"`
7373
74 - `"output-300k-2026-03-24"`
74 - `"user-profiles-2026-03-24"`
7575
76 - `"user-profiles-2026-03-24"`
76 - `"user-profiles-2026-08-18"`
7777
78 - `"user-profiles-2026-08-18"`
78 - `"user-profiles-2026-09-04"`
7979
80 - `"user-profiles-2026-09-04"`
80 - `"advisor-tool-2026-03-01"`
8181
82 - `"advisor-tool-2026-03-01"`
82 - `"managed-agents-2026-04-01"`
8383
84 - `"managed-agents-2026-04-01"`
84 - `"cache-diagnosis-2026-04-07"`
8585
86 - `"cache-diagnosis-2026-04-07"`
86 - `"dreaming-2026-04-21"`
8787
88 - `"dreaming-2026-04-21"`
88 - `"thinking-token-count-2026-05-13"`
8989
90 - `"thinking-token-count-2026-05-13"`
90 - `"server-side-fallback-2026-06-01"`
9191
92 - `"server-side-fallback-2026-06-01"`
92 - `"server-side-fallback-2026-07-01"`
9393
94 - `"server-side-fallback-2026-07-01"`
94 - `"fallback-credit-2026-06-01"`
9595
96 - `"fallback-credit-2026-06-01"`
96 - `"fallback-credit-2026-07-01"`
9797
98 - `"fallback-credit-2026-07-01"`
98 - `"agent-memory-2026-07-22"`
9999
100 - `"agent-memory-2026-07-22"`
100 - `"mid-conversation-tool-changes-2026-07-01"`
101101
102 - `"mid-conversation-tool-changes-2026-07-01"`
102 - `"compact-2026-01-12"`
103103
104 - `"compact-2026-01-12"`
104 - `"computer-use-2025-11-24"`
105105
106 - `"computer-use-2025-11-24"`
106 - `"mcp-tunnels-2026-06-22"`
107107
108 - `"mcp-tunnels-2026-06-22"`
108 - `"structured-outputs-2025-11-13"`
109109
110 - `"structured-outputs-2025-11-13"`
110 - `"task-budgets-2026-03-13"`
111111
112 - `"task-budgets-2026-03-13"`
112 - `"thinking-display-updates-2026-08-18"`
113113
114 - `"thinking-display-updates-2026-08-18"`
114 - `"ce-user-management-2026-07-13"`
115115
116 - `"ce-user-management-2026-07-13"`
116 - `"mid-conversation-output-config-2026-07-01"`
117117
118 - `"mid-conversation-output-config-2026-07-01"`
118 - `"thinking-binding-controls-2026-08-01"`
119119
120 - `"thinking-binding-controls-2026-08-01"`
120 - `"mid-conversation-system-clear-at-2026-08-21"`
121121
122 - `"mid-conversation-system-clear-at-2026-08-21"`
122 - `"compact-2026-09-04"`
123123
124 - `"compact-2026-09-04"`
124 - `"inline-tools-2026-09-15"`
125125
126 - `"inline-tools-2026-09-15"`
126 - `"mcp-client-2026-09-15"`
127127
128 - `"mcp-client-2026-09-15"`
129
130128## Body parameters
131129
132130- `max_tokens_to_sample: number`
from line 141
143141
144142 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
145143
146 - `"claude-sonnet-5-5" or "claude-fable-5-1" or "claude-opus-5-5" or 16 more`
144 - `"claude-sonnet-5-5"`
147145
148 The model that will complete your prompt.
146 Efficient model for coding and agents
149147
150 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
148 - `"claude-fable-5-1"`
151149
152 - `"claude-sonnet-5-5"`
150 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
153151
154 Efficient model for coding and agents
152 - `"claude-opus-5-5"`
155153
156 - `"claude-fable-5-1"`
154 Powerful intelligence for coding, knowledge work, and long-running agents
157155
158 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
156 - `"claude-mythos-5-1"`
159157
160 - `"claude-opus-5-5"`
158 Our most capable model for cybersecurity and biology research, available through trusted access programs
161159
162 Powerful intelligence for coding, knowledge work, and long-running agents
160 - `"claude-sonnet-5"`
163161
164 - `"claude-mythos-5-1"`
162 Efficient model for coding and agents
165163
166 Our most capable model for cybersecurity and biology research, available through trusted access programs
164 - `"claude-fable-5"`
167165
168 - `"claude-sonnet-5"`
166 Next generation of intelligence for the hardest knowledge work and coding problems
169167
170 Efficient model for coding and agents
168 - `"claude-mythos-5"`
171169
172 - `"claude-fable-5"`
170 Most capable model for cybersecurity and biology research
173171
174 Next generation of intelligence for the hardest knowledge work and coding problems
172 - `"claude-opus-5"`
175173
176 - `"claude-mythos-5"`
174 Powerful intelligence for long-running agents and coding
177175
178 Most capable model for cybersecurity and biology research
176 - `"claude-opus-4-8"`
179177
180 - `"claude-opus-5"`
178 Powerful intelligence for long-running agents and coding
181179
182 Powerful intelligence for long-running agents and coding
180 - `"claude-opus-4-7"`
183181
184 - `"claude-opus-4-8"`
182 Powerful intelligence for long-running agents and coding
185183
186 Powerful intelligence for long-running agents and coding
184 - `"claude-opus-4-6"`
187185
188 - `"claude-opus-4-7"`
186 Powerful intelligence for long-running agents and coding
189187
190 Powerful intelligence for long-running agents and coding
188 - `"claude-sonnet-4-6"`
191189
192 - `"claude-opus-4-6"`
190 Best combination of speed and intelligence
193191
194 Powerful intelligence for long-running agents and coding
192 - `"claude-haiku-4-5"`
195193
196 - `"claude-sonnet-4-6"`
194 Fastest model with near-frontier intelligence
197195
198 Best combination of speed and intelligence
196 - `"claude-haiku-4-5-20251001"`
199197
200 - `"claude-haiku-4-5"`
198 Fastest model with near-frontier intelligence
201199
202 Fastest model with near-frontier intelligence
200 - `"claude-opus-4-5"`
203201
204 - `"claude-haiku-4-5-20251001"`
202 Powerful intelligence for long-running agents and coding
205203
206 Fastest model with near-frontier intelligence
204 - `"claude-opus-4-5-20251101"`
207205
208 - `"claude-opus-4-5"`
206 Powerful intelligence for long-running agents and coding
209207
210 Powerful intelligence for long-running agents and coding
208 - `"claude-sonnet-4-5"`
211209
212 - `"claude-opus-4-5-20251101"`
210 High-performance model for agents and coding
213211
214 Powerful intelligence for long-running agents and coding
212 - `"claude-sonnet-4-5-20250929"`
215213
216 - `"claude-sonnet-4-5"`
214 High-performance model for agents and coding
217215
218 High-performance model for agents and coding
216 - `"claude-mythos-preview"`
219217
220 - `"claude-sonnet-4-5-20250929"`
218 **Deprecated**: Will reach end-of-life on June 30, 2026. Please migrate to claude-mythos-5. Visit https://docs.anthropic.com/en/docs/resources/model-deprecations for more information.
221219
222 High-performance model for agents and coding
220 New class of intelligence, strongest in coding and cybersecurity
223221
224 - `"claude-mythos-preview"`
225
226 **Deprecated**: Will reach end-of-life on June 30, 2026. Please migrate to claude-mythos-5. Visit https://docs.anthropic.com/en/docs/resources/model-deprecations for more information.
227
228 New class of intelligence, strongest in coding and cybersecurity
229
230222 - `string`
231223
232224- `prompt: string`
from line 333
341333
342334 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
343335
344 - `"claude-sonnet-5-5" or "claude-fable-5-1" or "claude-opus-5-5" or 16 more`
336 - `"claude-sonnet-5-5"`
345337
346 The model that will complete your prompt.
338 Efficient model for coding and agents
347339
348 See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options.
340 - `"claude-fable-5-1"`
349341
350 - `"claude-sonnet-5-5"`
342 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
351343
352 Efficient model for coding and agents
344 - `"claude-opus-5-5"`
353345
354 - `"claude-fable-5-1"`
346 Powerful intelligence for coding, knowledge work, and long-running agents
355347
356 Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows
348 - `"claude-mythos-5-1"`
357349
358 - `"claude-opus-5-5"`
350 Our most capable model for cybersecurity and biology research, available through trusted access programs
359351
360 Powerful intelligence for coding, knowledge work, and long-running agents
352 - `"claude-sonnet-5"`
361353
362 - `"claude-mythos-5-1"`
354 Efficient model for coding and agents
363355
364 Our most capable model for cybersecurity and biology research, available through trusted access programs
356 - `"claude-fable-5"`
365357
366 - `"claude-sonnet-5"`
358 Next generation of intelligence for the hardest knowledge work and coding problems
367359
368 Efficient model for coding and agents
360 - `"claude-mythos-5"`
369361
370 - `"claude-fable-5"`
362 Most capable model for cybersecurity and biology research
371363
372 Next generation of intelligence for the hardest knowledge work and coding problems
364 - `"claude-opus-5"`
373365
374 - `"claude-mythos-5"`
366 Powerful intelligence for long-running agents and coding
375367
376 Most capable model for cybersecurity and biology research
368 - `"claude-opus-4-8"`
377369
378 - `"claude-opus-5"`
370 Powerful intelligence for long-running agents and coding
379371
380 Powerful intelligence for long-running agents and coding
372 - `"claude-opus-4-7"`
381373
382 - `"claude-opus-4-8"`
374 Powerful intelligence for long-running agents and coding
383375
384 Powerful intelligence for long-running agents and coding
376 - `"claude-opus-4-6"`
385377
386 - `"claude-opus-4-7"`
378 Powerful intelligence for long-running agents and coding
387379
388 Powerful intelligence for long-running agents and coding
380 - `"claude-sonnet-4-6"`
389381
390 - `"claude-opus-4-6"`
382 Best combination of speed and intelligence
391383
392 Powerful intelligence for long-running agents and coding
384 - `"claude-haiku-4-5"`
393385
394 - `"claude-sonnet-4-6"`
386 Fastest model with near-frontier intelligence
395387
396 Best combination of speed and intelligence
388 - `"claude-haiku-4-5-20251001"`
397389
398 - `"claude-haiku-4-5"`
390 Fastest model with near-frontier intelligence
399391
400 Fastest model with near-frontier intelligence
392 - `"claude-opus-4-5"`
401393
402 - `"claude-haiku-4-5-20251001"`
394 Powerful intelligence for long-running agents and coding
403395
404 Fastest model with near-frontier intelligence
396 - `"claude-opus-4-5-20251101"`
405397
406 - `"claude-opus-4-5"`
398 Powerful intelligence for long-running agents and coding
407399
408 Powerful intelligence for long-running agents and coding
400 - `"claude-sonnet-4-5"`
409401
410 - `"claude-opus-4-5-20251101"`
402 High-performance model for agents and coding
411403
412 Powerful intelligence for long-running agents and coding
404 - `"claude-sonnet-4-5-20250929"`
413405
414 - `"claude-sonnet-4-5"`
406 High-performance model for agents and coding
415407
416 High-performance model for agents and coding
408 - `"claude-mythos-preview"`
417409
418 - `"claude-sonnet-4-5-20250929"`
410 **Deprecated**: Will reach end-of-life on June 30, 2026. Please migrate to claude-mythos-5. Visit https://docs.anthropic.com/en/docs/resources/model-deprecations for more information.
419411
420 High-performance model for agents and coding
421
422 - `"claude-mythos-preview"`
423
424 **Deprecated**: Will reach end-of-life on June 30, 2026. Please migrate to claude-mythos-5. Visit https://docs.anthropic.com/en/docs/resources/model-deprecations for more information.
425
426 New class of intelligence, strongest in coding and cybersecurity
412 New class of intelligence, strongest in coding and cybersecurity
427413
428414 - `string`
429415
No line in this hunk matches that.