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Lex vs. Grammarly

A practical comparison of Lex and Grammarly across pricing, GDPR, EU AI Act risk, and workflow fit.

lex

Lex

Writing editor with built-in AI

DSGVO: partialEU-AI-Act: minimalFree tier

grammarly

Grammarly

AI writing assistant for style, grammar, and tone

DSGVO: conformEU-AI-Act: minimalFree tier

Side-by-side comparison

FactorLexGrammarly
PricingFree tierFree tier
GDPRpartialconform
EU AI Actminimalminimal
Data residencyusus
Use casesText, Create content, BrainstormText, Create content, Summarize & structure, Translate & localize
Data quality
Updated6/15/20266/15/2026

Choose Lex when

Google-Docs-like surface for long-form writing with inline AI commands, brainstorming, research help.

Choose Grammarly when

Classic for English text; now with Generative AI (GrammarlyGO) for drafts, rewrites, tone adjustments. Browser plugin + desktop.

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