Computer and browser use toolsets support Claude Fable 5, Opus 5 and Sonnet 5

UpdateAug 19, 2026VerifiedAdded Sep 22, 2026

Both the computer use and browser use toolsets are available for Claude Fable 5, Mythos 5, Opus 5, Sonnet 5 and Opus 4.8 on the Claude API.

LLMs Developer tools

Read Anthropic's release notes

https://platform.claude.com/docs/en/release-notes/overview#august-19-2026

Summaries of vendors' own notes. Product names and logos belong to their owners; logos via logo.dev.

More Claude Platform releases

Claude PlatformAug 19, 2026

Claude computer use tool is out of beta as computer_toolset_20260801

Computer use is now GA on the Claude API with no beta header, batch actions in one turn, zoom on by default and per-member configs. Upgrading from computer_20251124 changes the request shape and tool handling.

GALLMsDeveloper toolsSource

Claude PlatformAug 19, 2026

Claude API launches browser_toolset_20260801 browser use tool

The browser use tool drives a browser your app hosts, reading the page's accessibility tree, elements, forms and tabs. It adds element references, form input, tab management, download reporting and opt-in file upload on top of screenshot-and-click control.

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Claude PlatformAug 19, 2026

Files API is out of beta on the Claude API

/v1/files and Messages requests referencing uploaded files no longer need the files-api-2025-04-14 header. Headerless requests get file expiration via expires_in_seconds, page-based pagination and an ids[] filter; requests with the header keep working.

GALLMsDeveloper toolsSource

Claude PlatformAug 19, 2026

Agent Skills and the Skills API are out of beta on the Claude API

Agent Skills and /v1/skills no longer require the skills-2025-10-02 beta header, including Messages requests that load Skills via the container parameter. Requests still sending the header continue to work unchanged.

GAAI agentsLLMsDeveloper toolsSource

Claude PlatformAug 19, 2026

Claude Enterprise Admin API user-management endpoints are out of beta

Members, invites, groups and custom roles endpoints for Claude Enterprise organizations are now GA, and the ce-user-management-2026-07-13 header is no longer required. Requests that still send it are accepted.

GALLMsDeveloper toolsSource

Claude PlatformAug 19, 2026

Claude Managed Agents can restrict domains for web_search and web_fetch

allowed_domains and blocked_domains on agent_toolset_20260401 configs limit which sites an agent's web tools can reach. web_fetch also accepts max_content_tokens and web_search accepts user_location, giving tighter control over agent browsing.

UpdateAI agentsLLMsGovernanceSource

Claude PlatformAug 19, 2026

Claude Managed Agents self-hosted sandboxes can attach memory stores

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UpdateAI agentsLLMsDeveloper toolsSource

Claude PlatformAug 19, 2026

Claude Console session viewer redesigned with timeline and Inspector panel

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Also shipped on Aug 19, 2026

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Organization Features in Organization Command Center (Preview)

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GASecuritySource

Databricks Databricks Data Intelligence PlatformAug 19, 2026

ai_extract precision mode is now generally available

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GARegionsSource