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claude-sonnet-4-5-20250929

Anthropic
10
1478
Elo Rating

LMSYS Chatbot Arena

1478
Elo Rating
#10
of 12 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 29, 2025
LicenseProprietary

Raw Benchmarks

LMSYS Elo1478

Capabilities

Model CardVision

Data Sources

LMSYS Elo

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claude-opus-4-5-20251101
96.6