Claude Opus 4.5
validasserted
- Valid from
- 2025-11-24
- 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
“November 24, 2025 We’ve launched Claude Opus 4.5 , our most intelligent model combining maximum capability with practical performance.”— what the page says, read 2026-11-04
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