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Sonnet 4.5 vs Opus 4.5 (Low)

Head-to-head OCR comparison · 87 battles · Updated May 18, 2026

Opus 4.5 (Low)
Sonnet 4.5
Matchup80.5%(70W-17L)19.5%(17W-70L)
Overall57.7%(996W-449L)40.8%(710W-808L)
ELO16291529
Rank#7#10

In head-to-head OCR battles, Opus 4.5 (Low) outperforms Sonnet 4.5 with a 80.5% win rate across 87 matchups. Opus 4.5 (Low) currently ranks #7 on the OCR Arena leaderboard with an ELO rating of 1629, while Sonnet 4.5 holds position #10 with an ELO of 1529. These rankings are based on blind community voting where users compare OCR outputs without knowing which model produced each result.

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