Claude vs Grammarly
Cheapest paid tier each vendor publishes. Free plans are listed above; tiers priced on request are not plotted because there is no figure to plot.
Where they differ
Only on Claude
- Lower entry price: $20/mo against $30/mo
- AI chat
- Agentic coding
- Research
Only on Grammarly
- Grammar checker
- Spell checker
- Writing assistant
- Also on Chrome extension
From the pricing tiers and capability tags we track. A capability missing on one side means we have not recorded it there, not that the tool cannot do it.
At a glance
Claude and Grammarly both appear in this directory's writing listings. Prices below were read from the vendors' own pages, most recently on October 26, 2026. Paid plans start at $20/mo on Claude and $30/mo on Grammarly. We track ai chat on Claude and grammar checker on Grammarly; both cover generative writing. No score and no winner: the facts do the picking.
Capability tags are factual labels we assign when a tool is added; they describe what a tool does, not how well it does it.
Checked against the vendors. Written from each vendor's own site and last re-checked there: Claude (under review since October 26, 2026) · Grammarly on October 12, 2026. Vendors change pricing and features without notice, so confirm anything that decides your purchase on the vendor's page.
Claude
AI assistant for writing, coding, research, and analysis
Claude is an AI assistant from Anthropic. It handles writing, coding, research, data analysis, and image understanding through a chat interface, with support for file uploads and long documents. It is available on the web, in desktop and mobile apps, and through an API.
Grammarly
Grammar, style, and generative writing help across your apps
Grammarly checks grammar, spelling, punctuation, and tone, and can rewrite or generate text on demand. It works as a browser extension, desktop app, keyboard, and inside Microsoft Word and Google Docs.
Also in writing
A tool we have an affiliate relationship with. It is not part of the comparison above and we are not calling it the better pick.
- Paraphrasing and rewriting text
- Checking essays and articles for plagiarism
- Generating academic citations
Key features
Claude
- Chat with document, image, and code uploads
- Writing, editing, and summarization
- Code generation and debugging, plus agentic coding with Claude Code
- Web search with cited answers
- Artifacts: interactive documents and apps built in-chat
- Projects with shared context for long-running work
Grammarly
- Grammar, spelling, and punctuation checks
- Tone and clarity suggestions
- Generative rewriting and drafting prompts
- Works in the browser, desktop, Word, Google Docs, and mobile
- Team style guides on Business plans
What each one does well
Claude
- ✓ Drafting and editing long-form writing
- ✓ Coding, from quick scripts to multi-file work with Claude Code
- ✓ Digesting long documents, PDFs, and spreadsheets
- ✓ Research questions with cited web sources
- ✓ Analyzing images, screenshots, and charts
Grammarly
- ✓ Catching typos and awkward phrasing across every app you write in
- ✓ Adjusting the tone of an email or message before you send it
- ✓ Team style consistency across many writers
People also ask
Which is cheaper, Claude or Grammarly?
Claude is cheaper: paid plans start at $20/mo for Claude and $30/mo for Grammarly.
Does Claude or Grammarly have a free plan?
Both Claude and Grammarly publish a free plan.
What is the difference between Claude and Grammarly?
Claude and Grammarly are both tracked for generative-writing. Of the capabilities they do not share, only Claude is tracked for ai-chat, agentic-coding, research, documents, ai-agents, and only Grammarly is tracked for grammar-checker, spell-checker, writing-assistant, tone-detection.
How much do Claude and Grammarly cost?
Claude: free plan, then $20/mo. Grammarly: free plan, then $30/mo.
Answers are generated from the tracked plans and capability tags shown above, so they move when the vendors' pages do.
Full fact sheets, FAQs, and discussion links: Claude · Grammarly · all writing tools