Claude Opus 4
validasserted
- Valid from
- 2025-08-05
- 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
“August 5, 2025 We’ve launched Claude Opus 4.1 , an incremental update to Claude Opus 4 with enhanced capabilities and performance improvements.”— what the page says, read 2026-11-04
/claim/clm_BBADFC6DA1EF.md/v1/claims/clm_BBADFC6DA1EFtimelinesubmit a correction