Two writing & editing tools, one decision. Here is the honest split.
| Claude | Grammarly | |
|---|---|---|
| Pricing | Free plan | Freemium |
| Best at | Long-document editing, tone-sensitive rewrites, and tasks with many rules at once. | Catching errors and tone problems in everyday writing where it already lives - email and docs. |
| In short | Anthropic's assistant, known for careful long-document work, nuanced rewriting, and following complex instructions. | The classic writing assistant for grammar, clarity, and tone, working inside browsers, docs, and email. |
| On Atlas | 3 starter prompts | 3 starter prompts |
Pick Claude when the job is Long-document editing, tone-sensitive rewrites, and tasks with many rules at once.. Pick Grammarly when the job is Catching errors and tone problems in everyday writing where it already lives - email and docs.. Still torn? Run one real task through both free tiers. An hour of testing beats a week of reviews.
Rewrite the text below for [audience]. Keep my voice and every fact, cut it to [word count] words, and return only the rewrite: [paste text]