Models changedapi/models
Nearest release: v2.1.309, published 2 hours 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+4added
Lines−228removed
From line
57
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits24to this page, all time
The whole hunk
from line 57, old and new numbered
/
from line 57
5757
5858 Only needed for credentials that can act on more than one Workspace. A credential that belongs to a specific Workspace may omit it; if sent, it must match that Workspace.
5959
60- `"anthropic-beta": optional array of AnthropicBeta`
61
62 **Deprecated**: Deprecated. This parameter will be removed from this method in a future release. To use beta features, call the beta models methods (`client.beta.models`) instead.
63
64 Optional header to specify the beta version(s) you want to use.
65
66 - `string`
67
68 - `"message-batches-2024-09-24"`
69
70 - `"prompt-caching-2024-07-31"`
71
72 - `"computer-use-2024-10-22"`
73
74 - `"computer-use-2025-01-24"`
75
76 - `"pdfs-2024-09-25"`
77
78 - `"token-counting-2024-11-01"`
79
80 - `"token-efficient-tools-2025-02-19"`
81
82 - `"output-128k-2025-02-19"`
83
84 - `"files-api-2025-04-14"`
85
86 - `"mcp-client-2025-04-04"`
87
88 - `"mcp-client-2025-11-20"`
89
90 - `"dev-full-thinking-2025-05-14"`
91
92 - `"interleaved-thinking-2025-05-14"`
93
94 - `"code-execution-2025-05-22"`
95
96 - `"extended-cache-ttl-2025-04-11"`
97
98 - `"context-1m-2025-08-07"`
99
100 - `"context-management-2025-06-27"`
101
102 - `"model-context-window-exceeded-2025-08-26"`
103
104 - `"skills-2025-10-02"`
105
106 - `"fast-mode-2026-02-01"`
107
108 - `"output-300k-2026-03-24"`
109
110 - `"user-profiles-2026-03-24"`
111
112 - `"user-profiles-2026-08-18"`
113
114 - `"user-profiles-2026-09-04"`
115
116 - `"advisor-tool-2026-03-01"`
117
118 - `"managed-agents-2026-04-01"`
119
120 - `"cache-diagnosis-2026-04-07"`
121
122 - `"dreaming-2026-04-21"`
123
124 - `"thinking-token-count-2026-05-13"`
125
126 - `"server-side-fallback-2026-06-01"`
127
128 - `"server-side-fallback-2026-07-01"`
129
130 - `"fallback-credit-2026-06-01"`
131
132 - `"fallback-credit-2026-07-01"`
133
134 - `"agent-memory-2026-07-22"`
135
136 - `"mid-conversation-tool-changes-2026-07-01"`
137
138 - `"compact-2026-01-12"`
139
140 - `"computer-use-2025-11-24"`
141
142 - `"mcp-tunnels-2026-06-22"`
143
144 - `"structured-outputs-2025-11-13"`
145
146 - `"task-budgets-2026-03-13"`
147
148 - `"thinking-display-updates-2026-08-18"`
149
150 - `"ce-user-management-2026-07-13"`
151
152 - `"mid-conversation-output-config-2026-07-01"`
153
154 - `"thinking-binding-controls-2026-08-01"`
155
156 - `"mid-conversation-system-clear-at-2026-08-21"`
157
158 - `"compact-2026-09-04"`
159
160 - `"inline-tools-2026-09-15"`
161
162 - `"mcp-client-2026-09-15"`
163
164 - `"ce-plugins-2026-09-01"`
165
166 - `"spend-limit-reads-2026-09-26"`
167
168 - `"telemetry-destinations-2026-08-11"`
169
170 - `"webhooks-2026-10-07"`
171
17260### Returns
17361
17462- `data: array of ModelInfo`
from line 273
385273
386274```bash
387275curl https://api.anthropic.com/v1/models \
388 -H 'anthropic-version: 2023-06-01' \
389 -H "X-Api-Key: $ANTHROPIC_API_KEY"
276 -H 'anthropic-version: 2026-10-21' \
277 -H "Authorization: Bearer $ANTHROPIC_API_KEY"
390278```
391279
392280#### Response (200)
from line 405
517405
518406 Only needed for credentials that can act on more than one Workspace. A credential that belongs to a specific Workspace may omit it; if sent, it must match that Workspace.
519407
520- `"anthropic-beta": optional array of AnthropicBeta`
521
522 **Deprecated**: Deprecated. This parameter will be removed from this method in a future release. To use beta features, call the beta models methods (`client.beta.models`) instead.
523
524 Optional header to specify the beta version(s) you want to use.
525
526 - `string`
527
528 - `"message-batches-2024-09-24"`
529
530 - `"prompt-caching-2024-07-31"`
531
532 - `"computer-use-2024-10-22"`
533
534 - `"computer-use-2025-01-24"`
535
536 - `"pdfs-2024-09-25"`
537
538 - `"token-counting-2024-11-01"`
539
540 - `"token-efficient-tools-2025-02-19"`
541
542 - `"output-128k-2025-02-19"`
543
544 - `"files-api-2025-04-14"`
545
546 - `"mcp-client-2025-04-04"`
547
548 - `"mcp-client-2025-11-20"`
549
550 - `"dev-full-thinking-2025-05-14"`
551
552 - `"interleaved-thinking-2025-05-14"`
553
554 - `"code-execution-2025-05-22"`
555
556 - `"extended-cache-ttl-2025-04-11"`
557
558 - `"context-1m-2025-08-07"`
559
560 - `"context-management-2025-06-27"`
561
562 - `"model-context-window-exceeded-2025-08-26"`
563
564 - `"skills-2025-10-02"`
565
566 - `"fast-mode-2026-02-01"`
567
568 - `"output-300k-2026-03-24"`
569
570 - `"user-profiles-2026-03-24"`
571
572 - `"user-profiles-2026-08-18"`
573
574 - `"user-profiles-2026-09-04"`
575
576 - `"advisor-tool-2026-03-01"`
577
578 - `"managed-agents-2026-04-01"`
579
580 - `"cache-diagnosis-2026-04-07"`
581
582 - `"dreaming-2026-04-21"`
583
584 - `"thinking-token-count-2026-05-13"`
585
586 - `"server-side-fallback-2026-06-01"`
587
588 - `"server-side-fallback-2026-07-01"`
589
590 - `"fallback-credit-2026-06-01"`
591
592 - `"fallback-credit-2026-07-01"`
593
594 - `"agent-memory-2026-07-22"`
595
596 - `"mid-conversation-tool-changes-2026-07-01"`
597
598 - `"compact-2026-01-12"`
599
600 - `"computer-use-2025-11-24"`
601
602 - `"mcp-tunnels-2026-06-22"`
603
604 - `"structured-outputs-2025-11-13"`
605
606 - `"task-budgets-2026-03-13"`
607
608 - `"thinking-display-updates-2026-08-18"`
609
610 - `"ce-user-management-2026-07-13"`
611
612 - `"mid-conversation-output-config-2026-07-01"`
613
614 - `"thinking-binding-controls-2026-08-01"`
615
616 - `"mid-conversation-system-clear-at-2026-08-21"`
617
618 - `"compact-2026-09-04"`
619
620 - `"inline-tools-2026-09-15"`
621
622 - `"mcp-client-2026-09-15"`
623
624 - `"ce-plugins-2026-09-01"`
625
626 - `"spend-limit-reads-2026-09-26"`
627
628 - `"telemetry-destinations-2026-08-11"`
629
630 - `"webhooks-2026-10-07"`
631
632408### Returns
633409
634410- `ModelInfo object`
from line 609
833609
834610```bash
835611curl https://api.anthropic.com/v1/models/$MODEL_ID \
836 -H 'anthropic-version: 2023-06-01' \
837 -H "X-Api-Key: $ANTHROPIC_API_KEY"
612 -H 'anthropic-version: 2026-10-21' \
613 -H "Authorization: Bearer $ANTHROPIC_API_KEY"
838614```
839615
840616#### Response (200)
No line in this hunk matches that.