Sonnet 4.5 vs Opus 4.6 (Medium)
Head-to-head OCR comparison · 9 battles · Updated March 28, 2026
In head-to-head OCR battles, Opus 4.6 (Medium) outperforms Sonnet 4.5 with a 77.8% win rate across 9 matchups. Opus 4.6 (Medium) currently ranks #7 on the OCR Arena leaderboard with an ELO rating of 1614, while Sonnet 4.5 holds position #12 with an ELO of 1521. 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 Gemini 3 Flashvs Opus 4.6 (Adaptive)vs Opus 4.5 (Low)vs Gemini 2.5 Flashvs Opus 4.5 (Medium)vs Opus 4.6 (Low)vs GPT-5.1 (Low)vs Gemini 2.5 Provs GPT-5.1 (Medium)vs GPT-5.2 (Medium)vs GPT-5.2 (None)vs Irisvs Mistral OCR v3vs GPT-5 (Medium)vs Qwen3-VL-8Bvs GPT-5 (Low)vs dots.ocrvs olmOCR 2vs Nanonets2-3Bvs DeepSeek OCRvs GLM-OCR