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Grammarly vs. ChatGPT

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

grammarly

Grammarly

AI writing assistant for style, grammar, and tone

DSGVO: conformEU-AI-Act: minimalFree tier

openai

ChatGPT

Conversational AI for text, image, code, and data

DSGVO: partialEU-AI-Act: limitedFree tier

Side-by-side comparison

FactorGrammarlyChatGPT
PricingFree tierFree tier
GDPRconformpartial
EU AI Actminimallimited
Data residencyusus
Use casesText, Create content, Summarize & structure, Translate & localizeText, Image, Data / Tables, Create content
Data quality
Updated6/15/20266/15/2026

Choose Grammarly when

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

Choose ChatGPT when

OpenAI's flagship chatbot with GPT-4o/GPT-5. Image generation (DALL-E), web browsing, code interpreter, Custom GPTs. Market leader in mainstream chat.

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