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Sweep 25 Sep 2026 · 19:33Z Build v2.1.283 504 read Stable v2.1.274 Latest v2.1.283 Next v2.1.283 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Developer Platform 24 Sep 2026
One change · api

Models changedapi/models

Nearest release: v2.1.282, published an hour before 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+16added
Lines−12removed
From line 33 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits11to this page, all time

The whole hunk

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3333 
3434### Headers
3535 
36- `"anthropic-workspace-id": optional string`
37 
38 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
39 
40 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.
41 
3642- `"anthropic-beta": optional array of AnthropicBeta`
3743 
44 **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.
45 
3846 Optional header to specify the beta version(s) you want to use.
3947 
4048 - `string`
from line 145
137145 
138146 - `"mcp-client-2026-09-15"`
139147 
140- `"anthropic-workspace-id": optional string`
141 
142 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
143 
144 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.
145 
146148### Returns
147149 
148150- `data: array of ModelInfo`
from line 396
394396 
395397### Headers
396398 
399- `"anthropic-workspace-id": optional string`
400 
401 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
402 
403 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.
404 
397405- `"anthropic-beta": optional array of AnthropicBeta`
398406 
407 **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.
408 
399409 Optional header to specify the beta version(s) you want to use.
400410 
401411 - `string`
from line 507
497507 - `"inline-tools-2026-09-15"`
498508 
499509 - `"mcp-client-2026-09-15"`
500 
501- `"anthropic-workspace-id": optional string`
502 
503 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
504 
505 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.
506510 
507511### Returns
508512 
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