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Grammarly

Free tier

AI writing assistant that catches grammar errors and improves clarity in real time.

Free tier available·Non-technical·Powered by Grammarly

Key strengths

Grammar and proofreadingAI writing assistance and text generationTone detection and adjustmentPlagiarism and AI-generated text detectionBrand style guide enforcementEnterprise security (BYOK, DLP, SSO)Broad platform/integration coverage
Free tier + paid plans · from $12 USD/mo
San Francisco, US
Founded 2009

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Recent changes

  • Plans updated: Free plan at $0/month; Pro at $12/member/month (billed annually) or $30/month (billed monthly); Enterprise pricing via Sales contact.
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  • Enterprise writing governance: Enforce brand style guides and writing standards across large teams using Grammarly's style guide enforcement features, with SSO for identity management and DLP to prevent sensitive data exposure.\n- Support platform integration: Embed Grammarly into Zendesk to improve the quality and consistency of customer-facing support responses at scale.\n- API-driven writing assistance: Use the Grammarly API to integrate grammar checking, tone detection, and AI text generation directly into custom applications or internal tools.\n- Security-compliant deployments: Leverage BYOK encryption for organizations with strict data sovereignty requirements, ensuring writing data remains under organizational control.\n- Cross-platform productivity tooling: Deploy Grammarly across Windows, Mac, iOS, and Android endpoints alongside Google Docs and Microsoft Office integrations for unified coverage across a heterogeneous workforce.
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