olmOCR 2 vs Sonnet 4.5
Head-to-head OCR comparison · 88 battles · Updated February 16, 2026
In head-to-head OCR battles, Sonnet 4.5 outperforms olmOCR 2 with a 68.2% win rate across 88 matchups. Sonnet 4.5 currently ranks #10 on the OCR Arena leaderboard with an ELO rating of 1564, while olmOCR 2 holds position #21 with an ELO of 1369. These rankings are based on blind community voting where users compare OCR outputs without knowing which model produced each result.
Other comparisons
vs Gemini 3 Previewvs Opus 4.5 (Medium)vs Gemini 2.5 Provs Opus 4.6 (Medium)vs Opus 4.6 (Adaptive)vs Gemini 3 Flashvs Opus 4.5 (Low)vs GPT-5.1 (Medium)vs Gemini 2.5 Flashvs Opus 4.6 (Low)vs GPT-5.2 (None)vs GPT-5 (Medium)vs GPT-5.1 (Low)vs GPT-5.2 (Medium)vs Irisvs GPT-5 (Low)vs Mistral OCR v3vs Qwen3-VL-8Bvs dots.ocrvs Nanonets2-3Bvs GLM-OCRvs Nemotron Parsevs DeepSeek OCR