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Sonnet 4.5 vs Opus 4.6 (Medium)

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

Opus 4.6 (Medium)
Sonnet 4.5
Matchup77.8%(14W-4L)22.2%(4W-14L)
Overall54.2%(179W-86L)40.8%(710W-808L)
ELO16531529
Rank#6#10

In head-to-head OCR battles, Opus 4.6 (Medium) outperforms Sonnet 4.5 with a 77.8% win rate across 18 matchups. Opus 4.6 (Medium) currently ranks #6 on the OCR Arena leaderboard with an ELO rating of 1653, 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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