Claude Opus 4.5
validasserted
- Valid from
- 2026-02-05
- Valid until
- still holds
- Published
- 2026-02-05
- Recorded by AsOf
- 2026-11-04
- Checked
- 2026-11-04 · its source page states the value and the date
- Confidence
- 0.95
Sources
“Opus 4.6 outperforms the industry’s next-best model (OpenAI’s GPT-5.2) by around 144 Elo points, 3 and its own predecessor (Claude Opus 4.5) by 190 points.”— what the page says, read 2026-11-04
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