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Sonnet 4.5 vs Gemini 2.5 Flash

Head-to-head OCR comparison · 99 battles · Updated May 18, 2026

Gemini 2.5 Flash
Sonnet 4.5
Matchup58.6%(58W-41L)41.4%(41W-58L)
Overall52.7%(1309W-925L)40.8%(710W-808L)
ELO16151529
Rank#8#10

In head-to-head OCR battles, Gemini 2.5 Flash outperforms Sonnet 4.5 with a 58.6% win rate across 99 matchups. Gemini 2.5 Flash currently ranks #8 on the OCR Arena leaderboard with an ELO rating of 1615, while Sonnet 4.5 holds position #10 with an ELO of 1529. These rankings are based on blind community voting where users compare OCR outputs without knowing which model produced each result.

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