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Sonnet 4.5 vs olmOCR 2

Head-to-head OCR comparison · 97 battles · Updated October 23, 2026

Sonnet 4.5
olmOCR 2
Matchup70.1%(68W-29L)29.9%(29W-68L)
Overall41.0%(768W-870L)26.5%(637W-1568L)
ELO16331397
Rank#9#15

In head-to-head OCR battles, Sonnet 4.5 outperforms olmOCR 2 with a 70.1% win rate across 97 matchups. Sonnet 4.5 currently ranks #9 on the OCR Arena leaderboard with an ELO rating of 1633, while olmOCR 2 holds position #15 with an ELO of 1397. These rankings are based on blind community voting where users compare OCR outputs without knowing which model produced each result.

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Sonnet 4.5 vs olmOCR 2 - OCR Model Comparison | OCR Arena