Grammarly

Grammarly is the world's most widely used AI writing assistant, providing real-time grammar correction, style suggestions, tone detection, and generative AI writing capabilities across virtually every digital platform. The product works as a browser extension, desktop app, mobile keyboard, and enterprise platform, assisting over 30 million daily active users and 70,000 enterprise teams.

Grammarly's AI goes beyond basic grammar checking to provide contextual writing suggestions that improve clarity, engagement, delivery, and inclusivity. The platform's tone detector helps users understand how their writing will be perceived, while its generative AI features can draft, rewrite, and brainstorm content based on user prompts and context.

For enterprise customers, Grammarly provides brand tone consistency, style guides, and analytics that ensure company-wide communication quality. The company has generated over $250 million in annual revenue and has remained profitable while most AI companies burn cash, demonstrating that AI writing assistance has strong commercial demand across consumer and business markets.