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Sonnet 4.5 vs olmOCR 2

Head-to-head OCR comparison · 92 battles · Updated March 28, 2026

Sonnet 4.5
olmOCR 2
Matchup69.6%(64W-28L)30.4%(28W-64L)
Overall40.9%(680W-767L)26.7%(605W-1472L)
ELO15211358
Rank#12#21

In head-to-head OCR battles, Sonnet 4.5 outperforms olmOCR 2 with a 69.6% win rate across 92 matchups. Sonnet 4.5 currently ranks #12 on the OCR Arena leaderboard with an ELO rating of 1521, while olmOCR 2 holds position #21 with an ELO of 1358. These rankings are based on blind community voting where users compare OCR outputs without knowing which model produced each result.

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