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Sweep 02 Oct 2026 · 18:55Z Build v2.1.288 509 read Stable v2.1.285 Latest v2.1.288 Next v2.1.288 Feeds RSS JSON llms.txt llms-full.txt Unofficial
One change · api

Beta changedapi/beta

Nearest release: v2.1.287, published 4 hours 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+4,291added
Lines−4,054removed
From line 9 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits23to this page, all time

## Beta › Organization › Analytics › Summaries ## Beta › Organization › Analytics › Apps › Chat › Projects ## Beta › Organization › Analytics › Usage Report ## Beta › Organization › Analytics › User Usage Report ## Beta › Organization › Analytics › Cost Report ## Beta › Organization › Analytics › User Cost Report ### List Spend Limits ## Beta › Organization › Spend Limits › Effective ## Beta › Organization › Analytics ## Beta › Organization › Analytics › Usage ## Beta › Organization › Analytics › Cost ## Beta › Organization › Analytics › Chat Projects

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from line 9
99 
1010### Anthropic Beta
1111 
12- `AnthropicBeta = string or "message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 46 more`
12- `AnthropicBeta = string or "message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 47 more`
1313 
1414 - `string`
1515 
from line 111
111111 
112112 - `"ce-plugins-2026-09-01"`
113113 
114 - `"spend-limit-reads-2026-09-26"`
115 
114116### Beta API Error
115117 
116118- `BetaAPIError object`
from line 569
567569 
568570 - `"ce-plugins-2026-09-01"`
569571 
572 - `"spend-limit-reads-2026-09-26"`
573 
570574- `"anthropic-workspace-id": optional string`
571575 
572576 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 957
953957 
954958 - `"ce-plugins-2026-09-01"`
955959 
960 - `"spend-limit-reads-2026-09-26"`
961 
956962- `"anthropic-workspace-id": optional string`
957963 
958964 Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).
from line 1324
13181324 
13191325 - `"ce-plugins-2026-09-01"`
13201326 
1327 - `"spend-limit-reads-2026-09-26"`
1328 
13211329- `"anthropic-user-profile-id": optional string`
13221330 
13231331 The user profile ID to attribute this request to. Use when acting on behalf of a party other than your organization. Requires the `user-profiles` beta header.
from line 4373
43654373 
43664374 Powerful intelligence for long-running agents and coding
43674375 
4376 - `"claude-mythos-preview"`
4377 
4378 **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.
4379 
4380 New class of intelligence, strongest in coding and cybersecurity
4381 
43684382 - `"claude-sonnet-4-5"`
43694383 
4384 **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-sonnet-5-5. Visit https://docs.anthropic.com/en/docs/resources/model-deprecations for more information.
4385 
43704386 High-performance model for agents and coding
43714387 
43724388 - `"claude-sonnet-4-5-20250929"`
43734389 
4390 **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-sonnet-5-5. Visit https://docs.anthropic.com/en/docs/resources/model-deprecations for more information.
4391 
43744392 High-performance model for agents and coding
43754393 
4376 - `"claude-mythos-preview"`
4377 
4378 **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.
4379 
4380 New class of intelligence, strongest in coding and cybersecurity
4381 
43824394 - `string`
43834395 
43844396 - `name: "advisor"`
from line 7779
77677779 
77687780 - `client_tool_results: optional BetaWebFetchURLSourceAll or BetaWebFetchURLSourceNone or BetaWebFetchURLSourceOnly or BetaWebFetchURLSourceExcept`
77697781 
7770 Which client tools' results contribute fetchable URLs: "all", "none", or an only or except list of client tool names from tools[].
7771 
7772 - `BetaWebFetchURLSourceAll object`
7773 
7774 The `url_sources` variant under which a source contributes in
7775 full: every result of the tool filter's source, or all user input.
7776 
7777 - `type: "all"`
7778 
7779 - `BetaWebFetchURLSourceNone object`
7780 
7781 The `url_sources` variant under which a source contributes nothing:
7782 no resul
7782 Which client
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