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Claude Opus 4.5

Anthropic
8
1370
Elo Rating

LMSYS Chatbot Arena

1370
Elo Rating
#8
of 11 models

Elo rating from LMSYS Chatbot Arena, measuring model performance through head-to-head human preference comparisons.

View on LMSYS Arena

Model Info

VendorAnthropic
Release DateNov 24, 2025
LicenseProprietary

Raw Benchmarks

LMSYS Elo1370

Capabilities

Model CardVision

Data Sources

Other Models from Anthropic