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Sonnet 4.5 vs GPT-5 (Medium)

Head-to-head OCR comparison · 96 battles · Updated May 18, 2026

Sonnet 4.5
GPT-5 (Medium)
Matchup52.1%(50W-46L)47.9%(46W-50L)
Overall40.8%(710W-808L)40.5%(950W-1131L)
ELO15291478
Rank#10#15

In head-to-head OCR battles, Sonnet 4.5 outperforms GPT-5 (Medium) with a 52.1% win rate across 96 matchups. Sonnet 4.5 currently ranks #10 on the OCR Arena leaderboard with an ELO rating of 1529, while GPT-5 (Medium) holds position #15 with an ELO of 1478. These rankings are based on blind community voting where users compare OCR outputs without knowing which model produced each result.

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