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Claude Opus 4.8

Announced Released

Availability and conditions refer to the original announcement.

The update, in brief

Opus 4.8 updates agentic coding and knowledge work, with effort controls.

What’s new

  • The API identifier is claude-opus-4-8.

Availability details

This is the May release; partner testimonials are not independent reviews.

Original sources

1

Read the announcement, watch the demo, or hear from the team.

More about this release

Demos, launch pages and discussions explicitly connected to this announcement.

Summarized from the linked sources. Availability refers to the announcement date.

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