built by extend.ai

olmOCR 2 vs Opus 4.5 (Medium)

Head-to-head OCR comparison · 111 battles · Updated April 4, 2026

Opus 4.5 (Medium)
olmOCR 2
Matchup86.5%(96W-15L)13.5%(15W-96L)
Overall58.2%(960W-407L)26.7%(607W-1479L)
ELO16201347
Rank#7#21

In head-to-head OCR battles, Opus 4.5 (Medium) outperforms olmOCR 2 with a 86.5% win rate across 111 matchups. Opus 4.5 (Medium) currently ranks #7 on the OCR Arena leaderboard with an ELO rating of 1620, while olmOCR 2 holds position #21 with an ELO of 1347. These rankings are based on blind community voting where users compare OCR outputs without knowing which model produced each result.

Try it yourself

Test these models on your own documents in the playground.

Open Playground →

Other comparisons

olmOCR 2 vs Opus 4.5 (Medium) - OCR Model Comparison | OCR Arena