Claude Opus 4.5
Every figure OnlySOTA holds for this model, one source at a time. Nothing on this page is averaged across sources.
KILLED Retired
Identity
- Developer
- Anthropic
- Family
- Claude → Claude Opus
- Weights
- closed
- Released
- 2025-11-24
- Blended Price, USD per 1M tokens (3:1 input:output)
- $10.00
- Sources
- 3 sources · 6 entries · 4 configs
- Published upstream as
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Claude Opus 4.5claude-opus-4-5
Where it places
- Artificial Analysis LLM Leaderboard Artificial Analysis Intelligence Index 41.9 est
- Arena — Code Overall #35 1494
- Arena — Text Overall (style control) #30 1473
Effort ladder
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Arena — Code only high ran
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high1494
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Arena — Text only high ran
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high1473
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