AI Writing Assistant
OthersideAI is the company behind HyperWrite, an AI writing assistant with a Chrome extension, document editor, and hundreds of task-specific tools. It helps users draft content, reply to emails, summarize research, and get context-aware sentence completions across the web. othersideai.com serves as the corporate homepage and routes to HyperWrite as the consumer product.
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HyperWrite earns strong reviews for email productivity and TypeAhead quality. Users praise responsive development and breadth of tools; common complaints involve monthly message caps on Premium and occasional inconsistency on long-form outputs.
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TypeAhead — personalized, context-aware sentence completions in Gmail and Docs AutoWrite and AI Writer — generate paragraphs, articles, and copy from prompts Email Responder — turn brief notes into full email replies inside Gmail Scholar AI — search peer-reviewed papers with citation-backed answers HyperChat — conversational AI for research and problem solving Custom Tools and Personas — build workflows and train writing style (3–10 personas) Chrome extension — predictive writing across sites and apps
HyperWrite fits professionals who write constantly—marketers drafting campaigns, students researching papers, founders handling email, and anyone who wants AI assistance without leaving the browser. Start with the free tier, then upgrade when message limits or custom personas become a bottleneck.