Models changedapi/beta/models
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+190added
Lines−194removed
From line
39
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits13to this page, all time
The whole hunk
from line 39, old and new numbered
/
from line 39
3939
4040 - `string`
4141
42 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 45 more`
42 - `"message-batches-2024-09-24"`
4343
44 - `"message-batches-2024-09-24"`
44 - `"prompt-caching-2024-07-31"`
4545
46 - `"prompt-caching-2024-07-31"`
46 - `"computer-use-2024-10-22"`
4747
48 - `"computer-use-2024-10-22"`
48 - `"computer-use-2025-01-24"`
4949
50 - `"computer-use-2025-01-24"`
50 - `"pdfs-2024-09-25"`
5151
52 - `"pdfs-2024-09-25"`
52 - `"token-counting-2024-11-01"`
5353
54 - `"token-counting-2024-11-01"`
54 - `"token-efficient-tools-2025-02-19"`
5555
56 - `"token-efficient-tools-2025-02-19"`
56 - `"output-128k-2025-02-19"`
5757
58 - `"output-128k-2025-02-19"`
58 - `"files-api-2025-04-14"`
5959
60 - `"files-api-2025-04-14"`
60 - `"mcp-client-2025-04-04"`
6161
62 - `"mcp-client-2025-04-04"`
62 - `"mcp-client-2025-11-20"`
6363
64 - `"mcp-client-2025-11-20"`
64 - `"dev-full-thinking-2025-05-14"`
6565
66 - `"dev-full-thinking-2025-05-14"`
66 - `"interleaved-thinking-2025-05-14"`
6767
68 - `"interleaved-thinking-2025-05-14"`
68 - `"code-execution-2025-05-22"`
6969
70 - `"code-execution-2025-05-22"`
70 - `"extended-cache-ttl-2025-04-11"`
7171
72 - `"extended-cache-ttl-2025-04-11"`
72 - `"context-1m-2025-08-07"`
7373
74 - `"context-1m-2025-08-07"`
74 - `"context-management-2025-06-27"`
7575
76 - `"context-management-2025-06-27"`
76 - `"model-context-window-exceeded-2025-08-26"`
7777
78 - `"model-context-window-exceeded-2025-08-26"`
78 - `"skills-2025-10-02"`
7979
80 - `"skills-2025-10-02"`
80 - `"fast-mode-2026-02-01"`
8181
82 - `"fast-mode-2026-02-01"`
82 - `"output-300k-2026-03-24"`
8383
84 - `"output-300k-2026-03-24"`
84 - `"user-profiles-2026-03-24"`
8585
86 - `"user-profiles-2026-03-24"`
86 - `"user-profiles-2026-08-18"`
8787
88 - `"user-profiles-2026-08-18"`
88 - `"user-profiles-2026-09-04"`
8989
90 - `"user-profiles-2026-09-04"`
90 - `"advisor-tool-2026-03-01"`
9191
92 - `"advisor-tool-2026-03-01"`
92 - `"managed-agents-2026-04-01"`
9393
94 - `"managed-agents-2026-04-01"`
94 - `"cache-diagnosis-2026-04-07"`
9595
96 - `"cache-diagnosis-2026-04-07"`
96 - `"dreaming-2026-04-21"`
9797
98 - `"dreaming-2026-04-21"`
98 - `"thinking-token-count-2026-05-13"`
9999
100 - `"thinking-token-count-2026-05-13"`
100 - `"server-side-fallback-2026-06-01"`
101101
102 - `"server-side-fallback-2026-06-01"`
102 - `"server-side-fallback-2026-07-01"`
103103
104 - `"server-side-fallback-2026-07-01"`
104 - `"fallback-credit-2026-06-01"`
105105
106 - `"fallback-credit-2026-06-01"`
106 - `"fallback-credit-2026-07-01"`
107107
108 - `"fallback-credit-2026-07-01"`
108 - `"agent-memory-2026-07-22"`
109109
110 - `"agent-memory-2026-07-22"`
110 - `"mid-conversation-tool-changes-2026-07-01"`
111111
112 - `"mid-conversation-tool-changes-2026-07-01"`
112 - `"compact-2026-01-12"`
113113
114 - `"compact-2026-01-12"`
114 - `"computer-use-2025-11-24"`
115115
116 - `"computer-use-2025-11-24"`
116 - `"mcp-tunnels-2026-06-22"`
117117
118 - `"mcp-tunnels-2026-06-22"`
118 - `"structured-outputs-2025-11-13"`
119119
120 - `"structured-outputs-2025-11-13"`
120 - `"task-budgets-2026-03-13"`
121121
122 - `"task-budgets-2026-03-13"`
122 - `"thinking-display-updates-2026-08-18"`
123123
124 - `"thinking-display-updates-2026-08-18"`
124 - `"ce-user-management-2026-07-13"`
125125
126 - `"ce-user-management-2026-07-13"`
126 - `"mid-conversation-output-config-2026-07-01"`
127127
128 - `"mid-conversation-output-config-2026-07-01"`
128 - `"thinking-binding-controls-2026-08-01"`
129129
130 - `"thinking-binding-controls-2026-08-01"`
130 - `"mid-conversation-system-clear-at-2026-08-21"`
131131
132 - `"mid-conversation-system-clear-at-2026-08-21"`
132 - `"compact-2026-09-04"`
133133
134 - `"compact-2026-09-04"`
134 - `"inline-tools-2026-09-15"`
135135
136 - `"inline-tools-2026-09-15"`
136 - `"mcp-client-2026-09-15"`
137137
138 - `"mcp-client-2026-09-15"`
139
140138- `"anthropic-workspace-id": optional string`
141139
142140 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 423
425423
426424 - `string`
427425
428 - `"message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 45 more`
426 - `"message-batches-2024-09-24"`
429427
430 - `"message-batches-2024-09-24"`
428 - `"prompt-caching-2024-07-31"`
431429
432 - `"prompt-caching-2024-07-31"`
430 - `"computer-use-2024-10-22"`
433431
434 - `"computer-use-2024-10-22"`
432 - `"computer-use-2025-01-24"`
435433
436 - `"computer-use-2025-01-24"`
434 - `"pdfs-2024-09-25"`
437435
438 - `"pdfs-2024-09-25"`
436 - `"token-counting-2024-11-01"`
439437
440 - `"token-counting-2024-11-01"`
438 - `"token-efficient-tools-2025-02-19"`
441439
442 - `"token-efficient-tools-2025-02-19"`
440 - `"output-128k-2025-02-19"`
443441
444 - `"output-128k-2025-02-19"`
442 - `"files-api-2025-04-14"`
445443
446 - `"files-api-2025-04-14"`
444 - `"mcp-client-2025-04-04"`
447445
448 - `"mcp-client-2025-04-04"`
446 - `"mcp-client-2025-11-20"`
449447
450 - `"mcp-client-2025-11-20"`
448 - `"dev-full-thinking-2025-05-14"`
451449
452 - `"dev-full-thinking-2025-05-14"`
450 - `"interleaved-thinking-2025-05-14"`
453451
454 - `"interleaved-thinking-2025-05-14"`
452 - `"code-execution-2025-05-22"`
455453
456 - `"code-execution-2025-05-22"`
454 - `"extended-cache-ttl-2025-04-11"`
457455
458 - `"extended-cache-ttl-2025-04-11"`
456 - `"context-1m-2025-08-07"`
459457
460 - `"context-1m-2025-08-07"`
458 - `"context-management-2025-06-27"`
461459
462 - `"context-management-2025-06-27"`
460 - `"model-context-window-exceeded-2025-08-26"`
463461
464 - `"model-context-window-exceeded-2025-08-26"`
462 - `"skills-2025-10-02"`
465463
466 - `"skills-2025-10-02"`
464 - `"fast-mode-2026-02-01"`
467465
468 - `"fast-mode-2026-02-01"`
466 - `"output-300k-2026-03-24"`
469467
470 - `"output-300k-2026-03-24"`
468 - `"user-profiles-2026-03-24"`
471469
472 - `"user-profiles-2026-03-24"`
470 - `"user-profiles-2026-08-18"`
473471
474 - `"user-profiles-2026-08-18"`
472 - `"user-profiles-2026-09-04"`
475473
476 - `"user-profiles-2026-09-04"`
474 - `"advisor-tool-2026-03-01"`
477475
478 - `"advisor-tool-2026-03-01"`
476 - `"managed-agents-2026-04-01"`
479477
480 - `"managed-agents-2026-04-01"`
478 - `"cache-diagnosis-2026-04-07"`
481479
482 - `"cache-diagnosis-2026-04-07"`
480 - `"dreaming-2026-04-21"`
483481
484 - `"dreaming-2026-04-21"`
482 - `"thinking-token-count-2026-05-13"`
485483
486 - `"thinking-token-count-2026-05-13"`
484 - `"server-side-fallback-2026-06-01"`
487485
488 - `"server-side-fallback-2026-06-01"`
486 - `"server-side-fallback-2026-07-01"`
489487
490 - `"server-side-fallback-2026-07-01"`
488 - `"fallback-credit-2026-06-01"`
491489
492 - `"fallback-credit-2026-06-01"`
490 - `"fallback-credit-2026-07-01"`
493491
494 - `"fallback-credit-2026-07-01"`
492 - `"agent-memory-2026-07-22"`
495493
496 - `"agent-memory-2026-07-22"`
494 - `"mid-conversation-tool-changes-2026-07-01"`
497495
498 - `"mid-conversation-tool-changes-2026-07-01"`
496 - `"compact-2026-01-12"`
499497
500 - `"compact-2026-01-12"`
498 - `"computer-use-2025-11-24"`
501499
502 - `"computer-use-2025-11-24"`
500 - `"mcp-tunnels-2026-06-22"`
503501
504 - `"mcp-tunnels-2026-06-22"`
502 - `"structured-outputs-2025-11-13"`
505503
506 - `"structured-outputs-2025-11-13"`
504 - `"task-budgets-2026-03-13"`
507505
508 - `"task-budgets-2026-03-13"`
506 - `"thinking-display-updates-2026-08-18"`
509507
510 - `"thinking-display-updates-2026-08-18"`
508 - `"ce-user-management-2026-07-13"`
511509
512 - `"ce-user-management-2026-07-13"`
510 - `"mid-conversation-output-config-2026-07-01"`
513511
514 - `"mid-conversation-output-config-2026-07-01"`
512 - `"thinking-binding-controls-2026-08-01"`
515513
516 - `"thinking-binding-controls-2026-08-01"`
514 - `"mid-conversation-system-clear-at-2026-08-21"`
517515
518 - `"mid-conversation-system-clear-at-2026-08-21"`
516 - `"compact-2026-09-04"`
519517
520 - `"compact-2026-09-04"`
518 - `"inline-tools-2026-09-15"`
521519
522 - `"inline-tools-2026-09-15"`
523
524 - `"mcp-client-2026-09-15"`
520 - `"mcp-client-2026-09-15"`
525521
526522- `"anthropic-workspace-id": optional string`
527523
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