Datalab Exposes Flaws in OCR Benchmarks and Edit-Distance Metrics

Datalab founder Vik Paruchuri published a guide showing how OCR benchmarks are often self-serving and flawed: edit-distance metrics punish formatting rather than errors, and fixing misconfigured adapters boosted one score from 64.5% to 93.6%.

2026-11-14 ~ 2026-11-14 · 4 related posts

• Everyone is #1: how to spot flawed OCR benchmarks in 5 minutes — VikParuchuri · 2026-11-14
• Edit distance benchmarks score a correct HTML table 0.77 and a wrong-number table 0.016 — VikParuchuri · 2026-11-14
• Fixing one benchmark adapter jumped an OCR score from 64.5% to 93.6% — VikParuchuri · 2026-11-14
• Everyone is #1: Datalab's 25-minute guide to evaluating OCR benchmarks — VikParuchuri · 2026-11-14