Observed source change · Anthropic
Claude release notes documentation changed
Published documentation; runtime behavior and legal interpretation not established.
Last unchanged check: 2026-10-23T08:20:13Z
First changed check: 2026-10-23T10:25:12Z
Before
- [Fast mode](https://platform.claude.com/docs/en/build-with-claude/fast-mode) is available for Claude Opus 5.5 on Claude Models on Google Cloud (Anthropic managed). * Organization admins can now turn off web fetch for their organization on the [**Capabilities**](https://platform.claude.com/settings/capabilities) page of the Claude Console. With web fetch off, a Messages API request that includes the web fetch tool fails with a 400 error. In a Claude Managed Agents session, `web_fetch` calls return an error result to the agent instead. With web fetch on, admins can also set allowed or blocked domains for web fetch on the same …
After
* [Fast mode](https://platform.claude.com/docs/en/build-with-claude/fast-mode) is available for Claude Opus 5.5 on Claude Models on Google Cloud (Anthropic managed). * Organization admins can now turn off web fetch for their organization on the [**Capabilities**](https://platform.claude.com/settings/capabilities) page of the Claude Console. With web fetch off, a Messages API request that includes the web fetch tool fails with a 400 error. In a Claude Managed Agents session, `web_fetch` calls return an error result to the agent instead. With web fetch on, admins can also set allowed or blocked domains for web fetch on the same …
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Raw before SHA-256: 5fafb53d43f0ba1ca015378b0d192fa3639738a4f1944dba78f78fdade148e83
Raw after SHA-256: 86b5800f628df8378837bb051ddb9c4ce1ac6e07bcecc96653ec3da64a4721ce
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