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Mem

Free tier

The self-organizing workspace powered by AI — your second brain

Free tier available·All audiences·Powered by OpenAI

Key strengths

AI-powered automatic organization of notes without manual folders or tagsNatural language search across your entire knowledge baseSmart writing assistant that leverages your existing notes as contextBi-directional linking and related note surfacingSeamless capture across web, mobile, and desktop
Free tier + paid plans · from $14.99 USD/mo
San Francisco, USA
Founded 2020

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Mem is a cloud-native knowledge management platform that uses large language models (LLMs) to power its core features: semantic search, automatic tagging, and AI-assisted writing. The app ingests all user-created notes and applies vector-based similarity matching to surface related content and generate contextually relevant suggestions. Mem's AI writing assistant ("Mem AI") uses the contents of your workspace as grounding context for generation, reducing hallucination by anchoring responses to your personal data. The platform is available as a web app, macOS app, iOS/Android app, and Chrome extension, with integrations for Slack and email capture.

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