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ChatGPT vs Grammarly · 1-person scenario
Editorial snapshot. Confirm plan terms with official sources.
Decision criteria8 signals
01AI Assistant
02Writing
Purchase scenario1 person
$20/mo$240/yr
+$8/moPer member$12/mo$144/yr
LowestPer memberBest forWriting, analysis, brainstorming, codingImproving clarity, correctness, tone, consistency, and brand voice across applications
Starting priceFree plan · Plus from $20/monthFree · Pro $12/month
Ease of useVery easyVery easy
CollaborationModerateVery good
AI featuresCore productFull-sentence rewrites, tone adjustment, AI detection, plagiarism checks, and writing agents
PlatformsWeb, iOS, Android, Windows, macOSWeb, Windows, macOS, iOS, Android, browser extension
Export formatsText, files, images, codeRevised text, Grammarly Docs, browser and Office edits, and style guidance
Offline accessNoLimited
ATLAS VERDICT / 01
Start with ChatGPT. Choose Grammarly when the comparison evidence in its column better matches your constraints.
Official pricingChatGPTChecked 2026-07-29GrammarlyChecked 2026-07-30
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