Sonnet 4.5 vs Opus 4.5 (Low)
Head-to-head OCR comparison · 94 battles · Updated August 24, 2026
In head-to-head OCR battles, Opus 4.5 (Low) outperforms Sonnet 4.5 with a 80.9% win rate across 94 matchups. Opus 4.5 (Low) currently ranks #2 on the OCR Arena leaderboard with an ELO rating of 1761, while Sonnet 4.5 holds position #9 with an ELO of 1557. 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 Flashvs Opus 4.6 (Low)vs Opus 4.6 (Adaptive)vs Opus 4.6 (Medium)vs Opus 4.5 (Medium)vs Gemini 2.5 Flashvs Gemini 2.5 Provs Qwen3-VL-8Bvs Mistral OCR v3vs Nanonets2-3Bvs dots.ocrvs Gemini 3 Previewvs olmOCR 2vs GPT-5.1 (Low)vs GPT-5.1 (Medium)vs DeepSeek OCRvs GPT-5 (Low)vs GPT-5 (Medium)vs GLM-OCRvs GPT-5.2 (Medium)vs GPT-5.2 (None)vs Iris