Grammarly vs Wordtune

A side-by-side comparison of capabilities, autonomy, integrations, and pricing to help you choose.

Short answer: choose Grammarly if you want ai writing assistant that checks, rewrites, and drafts across 1m+ apps and sites (Copilot, freemium); choose Wordtune if you want ai writing assistant for rewriting, paraphrasing, summarizing, and grammar (Copilot, freemium).

GrammarlyWordtune
What it isAI writing assistant that checks, rewrites, and drafts across 1M+ apps and sitesAI writing assistant for rewriting, paraphrasing, summarizing, and grammar
Typeproduct-with-agentsagent
AutonomyCopilotCopilot
Pricingfreemium · $12/member/mo (Pro, billed annually)freemium · Free; Advanced from $4.89/mo (billed annually), Unlimited from $6.99/mo (billed annually)
Best forconsumers, smb, mid-market, enterpriseconsumers, smb
Deploymentsaas, apisaas
Modalitiestext, browser, email, apitext
Modelsproprietary, model-agnosticproprietary
Protocolsrest-apinone
IntegrationsGmail, Google Docs, Microsoft Word, Microsoft Outlook, Slack, ChromeChrome, Microsoft Edge, Safari, Firefox, Microsoft Word, Google Docs
Capabilities5 documented6 documented

Grammarly

  • +Works almost everywhere people write (1M+ apps and websites, browsers, email, and desktop apps)
  • +Strong free tier with usable everyday grammar, spelling, and tone checking
  • +Combines deterministic proofreading with generative drafting and task-specific writing agents in one tool
  • -Core behavior is inline suggestions, not autonomous action; the 'agents' are supervised and task-scoped
  • -Generative and detection features (rewrites, plagiarism, AI detection) are gated behind paid tiers
Full Grammarly profile

Wordtune

  • +Strong context-aware rewriting and tone control delivered inline across Gmail, Google Docs, Word, and other web surfaces
  • +Useful for non-native English writers: paraphrasing plus AI-assisted translation into English from 10 languages
  • +Generous free spelling/grammar checks and an affordable paid tier with unlimited rewrites
  • -Assistant/copilot-grade only: it suggests and rewrites, it does not autonomously research, draft end-to-end, or take actions
  • -AI21 Labs reportedly halted active development in April 2025 to focus on enterprise, raising questions about long-term roadmap
Full Wordtune profile

Which should you choose?

Grammarly is ai writing assistant that checks, rewrites, and drafts across 1m+ apps and sites, best for consumers, smb, mid-market, enterprise. Wordtune is ai writing assistant for rewriting, paraphrasing, summarizing, and grammar, best for consumers, smb. The right choice depends on the autonomy level you want, your existing integrations, and your budget, all compared above.