Compare tools
Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
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Keymate.AI
✓ verifiedFreemium
AI memory workspace that saves your own sources (PDFs, Docs, YouTube, email) and answers questions from them, also inside ChatGPT.
1.5K visits/mo11K saves
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DeepWiki
✓ verifiedFree
Free tool that auto-generates conversational, browsable documentation for any public GitHub repo, from the makers of Devin.
1.2M visits/mo
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MediSearch
✓ verified
Search engine giving science-based answers to medical questions.
234K visits/mo8.6K saves
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supermemory™
✓ verifiedFreemium
Developer API that gives AI agents persistent memory, retrieval, and connectors, usable both as infrastructure and a personal app.
174K visits/mo
Pricing
No public pricing
No public pricing
No public pricing
No public pricing
Free: $0/mo (~$5/mo of usage included)
Pro: $19/mo (~$20/mo of usage, unlimited storage, 2 teammates)
Max: $100/mo (~$130/mo of usage, 6x Pro headroom)
Scale: $399/mo (~$600/mo of usage, up to 10 teammates)
Core features
- ✦Private memory built from your own files and sources
- ✦Supports PDFs, Google Docs, URLs, YouTube and emails
- ✦Scoped, grounded question answering
- ✦Organization by project/campaign with shared team collections
- ✦Use inside ChatGPT
- ✦Automation via Make.com
- ✦AI-generated documentation for GitHub repos
- ✦Conversational Q&A about a codebase
- ✦Browsable index of popular repositories
- ✦Deep code indexing via Devin
- ✦Lifelike voice AI agents
- ✦24/7 availability
- ✦Customer-led conversational platform
- ✦Integration with enterprise systems
- ✦Direct answers to health questions
- ✦Answers based on trustworthy sources
- ✦Fast search results
- ✦Persistent, structured memory built as a knowledge graph
- ✦Sub-300ms hybrid retrieval (RAG) with reranking
- ✦Native filesystem mount for agent memory access
- ✦Connectors to Slack, Notion, Drive, Gmail, GitHub, S3
- ✦Automatic extraction from PDFs, images, and audio
- ✦User profile and behavior tracking across sessions
Use cases
- →Querying your own documents with AI
- →Marketing, ops and sales knowledge management
- →Keeping team knowledge searchable and shared
- →Auto-capturing and searching emails
- →Understanding an unfamiliar codebase quickly
- →Onboarding to open-source projects
- →Answering questions about repo internals
- →Answering customer service calls
- →Providing information and support
- →Resolving customer issues
- →Automating call center operations
- →Finding quick and accurate answers to medical questions.
- →Developers adding long-term memory to AI agents
- →Teams building agents that need to sync with existing tools
- →Individuals wanting one memory layer shared across multiple AI assistants
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