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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.

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
FluidStack logo
FluidStack
✓ verifiedPaid

Infrastructure company building large-scale GPU data centers and compute for AI, including Anthropic's compute buildout.

101K visits/mo
Bland.ai logo
Bland.ai
✓ verifiedPaid

Enterprise voice-AI platform for building phone agents on dedicated infrastructure, with per-minute pricing and HIPAA/SOC2/PCI compliance.

226K visits/mo6.2K saves
MyShell.ai logo
MyShell.ai
✓ verifiedFreemium

Platform for building and interacting with AI-powered virtual beings.

69K visits/mo
Arsturn logo
Arsturn
✓ verifiedFreemium

No-code builder for custom ChatGPT-style website chatbots trained on your data for support, lead gen and engagement.

133K visits/mo
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)

No public pricing

Start: $0/mo platform fee + $0.14/min
Build: $299/mo + $0.12/min
Scale: $499/mo + $0.11/min

Free trial available

No public pricing

Free: $0/mo (50 credits)
Saver: $1.99/mo (250 credits)
Starter: $9/mo (1,500 credits)
Standard: $36/mo (6,000 credits)
Pro: $144/mo (24,000 credits)

Free trial available

Core features
  • 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
  • Large-scale GPU and data-center infrastructure for AI
  • Power acquisition and data-center design/build
  • Fast deployment (gigawatts in ~6 months)
  • Operates both hardware and software stack
  • AI phone agents (inbound and outbound)
  • No-code agent builder (Norm)
  • Scenario testing before launch
  • Omnichannel voice, SMS, iMessage and chat
  • Telephony and CRM integrations
  • Enterprise compliance and on-prem options
  • AI chatbot creation with unique personalities and voices
  • Decentralized platform for AI-native apps
  • Voice and video conversations with AI beings
  • AI agent building and sharing
  • Creator economy for AI apps
  • No-code chatbot creation
  • Train on files/URLs/Notion/Zendesk
  • Website embed widget
  • Conversation analytics
  • ~95 language support
  • Custom branding
Use cases
  • 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
  • Training and running large AI models at scale
  • Provisioning GPU compute for AI labs
  • Building dedicated AI data-center capacity
  • Automating customer-service calls
  • IVR replacement and appointment booking
  • Outbound sales and lead qualification
  • Regulated-industry voice automation
  • Interacting with AI friends like Shizuku for voice and video conversations
  • Creating AI-native apps using generative AI models
  • Building and sharing AI agents within the MyShell ecosystem
  • Website customer support
  • Lead generation
  • FAQ and audience engagement
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