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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.

Heuristica logo
Heuristica
✓ verifiedFreemium

An AI-powered learning platform that turns sources into concept maps, flashcards, quizzes and summaries with multi-model chat.

89K visits/mo12K saves
FAQ Ally logo
FAQ Ally
✓ verifiedFreemium

Turns company documents into an AI assistant that answers only from your files with citations, abstaining when evidence is missing.

1.4K visits/mo
elium.com logo
elium.com
✓ verifiedPaid

Enterprise AI knowledge-management platform for building a governed, searchable company knowledge hub teams actually use.

26K visits/mo
Plot logo
Plot
✓ verifiedPaid

AI video social-listening platform that scans social video content to surface untagged brand mentions, sentiment, and creator leads.

15K visits/mo
supermemory™ logo
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
Basic: Free (up to 3 saved concept maps)
Professional: $7.99/mo (unlimited maps, multi-model AI, all features)

No public pricing

Team: 15€/user/mo billed yearly
Corporate: 20€/user/mo billed yearly

Free trial available

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
  • Concept map builder
  • Flashcards with spaced repetition
  • AI quiz and summary generation
  • Import from PDFs, YouTube, websites, PubMed and arXiv
  • Multi-model AI chat (GPT, Claude, Gemini, Qwen)
  • Cross-format conversion and sharing
  • Grounded answers cited to source documents
  • Refuses to answer without supporting evidence
  • Supports 9 file types (PDF, DOCX, XLSX and more)
  • In-app chat, embeddable widget and REST API
  • Snippet capture and Slack message saving
  • Vector search over your corpus
  • AI-powered search and answers
  • Content approval and expiration workflows
  • Multi-language sharing with AI translation
  • Templates and rich content creation
  • Microsoft, Slack, Google Drive integrations
  • ISO 27001 security, EU hosting, GDPR
  • AI video analysis of audio, visuals, and captions
  • Untagged brand mention and UGC detection
  • Creator sourcing by niche, audience, and brand fit
  • Outbound comment engagement tracking
  • Competitive benchmarking across brands
  • Brand sentiment and safety monitoring
  • 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
  • Visualizing and studying complex topics
  • Turning research sources into study materials
  • Literature review and dissertation prep
  • Internal knowledge management
  • Employee onboarding and HR queries
  • Customer support and website FAQs
  • Technical documentation search
  • Central company knowledge base
  • Customer support and IT service desk
  • Onboarding and knowledge retention
  • Market watch and user insights
  • Finding untagged user-generated content about a brand
  • Sourcing creators that match specific audience criteria
  • Measuring campaign impact across social video
  • Benchmarking a brand's social presence against competitors
  • 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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