Claude Sonnet 5
Anthropic announced Claude Sonnet 5.
Why it matters
It is an announcement of a named model for coding and agent work.
This record does not turn the announcement into a claim of universal superiority.
Announcement · June 30, 2026
Event record
- Event date
- June 30, 2026
- Timeline date
- Event date
- Verification
- Sources gathered automatically · September 11, 2026
- ID
- evt-0023
Sources
- primary Claude Sonnet 5
Anthropic · Published June 30, 2026
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