Back to RankingsAnthropic
claude-opus-5.5-high
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 ArenaModel Info
VendorAnthropic
Release DateSep 22, 2026
LicenseProprietary
StatusFlagship Model
Raw Benchmarks
LMSYS Elo1507
Capabilities
Model CardVision