Claude Opus 4.1
validasserted
- Valid from
- 2025-08-05
- Valid until
- still holds
- Published
- 2025-08-05
- Recorded by AsOf
- 2026-10-31
- Checked
- 2026-10-31 · its source page states the value and the date
- Confidence
- 0.70
Sources
“August 5, 2025 Claude Opus 4.1 Claude Opus 4.1 (an incremental update to Opus 4) brings enhanced performance as our most capable model for complex reasoning, analysis, and creative tasks.”— what the page says, read 2026-10-31
/claim/clm_2C996C4A2C4D.md/v1/claims/clm_2C996C4A2C4Dtimelinesubmit a correction