Sonnet 4.6
validasserted
- Valid from
- 2026-06-30
- Valid until
- still holds
- Published
- no source on record carries a date
- Recorded by AsOf
- 2026-11-04
- Checked
- 2026-11-04 · its source page states the value and the date
- Confidence
- 0.95
Sources
“June 30, 2026 Claude Sonnet 5 launch We launched Claude Sonnet 5, our most agentic Sonnet model yet, with substantial improvements over Sonnet 4.6 in reasoning, tool use, coding, and knowledge work.”— what the page says, read 2026-11-04
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