GPT-5.1 (Medium) vs Opus 4.5 (Medium)
Head-to-head OCR comparison · 92 battles · Updated May 23, 2026
In head-to-head OCR battles, Opus 4.5 (Medium) outperforms GPT-5.1 (Medium) with a 64.1% win rate across 92 matchups. Opus 4.5 (Medium) currently ranks #2 on the OCR Arena leaderboard with an ELO rating of 1708, while GPT-5.1 (Medium) holds position #12 with an ELO of 1504. 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 (Adaptive)vs Opus 4.6 (Low)vs Opus 4.5 (Low)vs Opus 4.6 (Medium)vs Gemini 2.5 Provs Gemini 2.5 Flashvs Sonnet 4.5vs Qwen3-VL-8Bvs Gemini 3 Previewvs Mistral OCR v3vs GPT-5.1 (Low)vs GPT-5 (Medium)vs GPT-5 (Low)vs GPT-5.2 (Medium)vs dots.ocrvs Nanonets2-3Bvs Irisvs DeepSeek OCRvs GPT-5.2 (None)vs olmOCR 2vs GLM-OCR