Claude Opus 5.5
validasserted
- Valid from
- 2026-09-22
- Valid until
- still holds
- Published
- 2026-09-22
- Recorded by AsOf
- 2026-10-31
- Checked
- 2026-10-31 · its source page states the value and the date
- Confidence
- 0.70
Sources
“September 22, 2026 Claude Opus 5.5 launch We just launched Claude Opus 5.5, the first model in our new Claude 5.5 family.”— what the page says, read 2026-10-31
/claim/clm_05E77EFE1F05.md/v1/claims/clm_05E77EFE1F05timelinesubmit a correction