AI/ML●●Solid
I benchmarked how good LLMs are at proofreading English
Agent loop proofreading evals where HELM and LMSys are too generic.
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artursapek
321mo ago
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ErrataBench - A Proofreading Benchmark for LLMs
by artursapek·Apr 7, 2026·3 points·0 comments
AI Analysis
●●SolidNiche GemBig Brain
51 models, 1613 runs, $558 spent — finally proofreading benchmarks with real numbers.
Strengths
- •Distinguishes omissions from bad fixes, giving actionable failure mode breakdowns.
- •Five days of runtime with transparent methodology and cost tracking throughout.
- •Rankings include efficiency metrics, not just raw accuracy percentages.
Weaknesses
- •Narrow scope limits utility — proofreading is just one of many LLM use cases.
- •LLM benchmarks are common; LMSys and HELM already dominate the space.
Category
Target Audience
AI researchers, developers selecting LLMs for text tasks
Similar To
LMSys Chatbot Arena · HELM · LiveBench
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