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Sonnet 4.5 vs GPT-5 (Medium)

Head-to-head OCR comparison · 93 battles · Updated March 28, 2026

Sonnet 4.5
GPT-5 (Medium)
Matchup52.7%(49W-44L)47.3%(44W-49L)
Overall40.9%(680W-767L)41.0%(935W-1106L)
ELO15211473
Rank#12#17

In head-to-head OCR battles, Sonnet 4.5 outperforms GPT-5 (Medium) with a 52.7% win rate across 93 matchups. Sonnet 4.5 currently ranks #12 on the OCR Arena leaderboard with an ELO rating of 1521, while GPT-5 (Medium) holds position #17 with an ELO of 1473. These rankings are based on blind community voting where users compare OCR outputs without knowing which model produced each result.

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