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claude-opus-5.5-high

Anthropic
1
1507
Elo Rating

LMSYS Chatbot Arena

1507
Elo Rating
#1
of 17 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 DateSep 22, 2026
LicenseProprietary
StatusFlagship Model

Raw Benchmarks

LMSYS Elo1507

Capabilities

Model CardVision

Data Sources