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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.

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ChatPDF logo
ChatPDF
✓ verifiedFreemium

Popular tool to chat with PDFs and other documents, giving summaries and cited answers, with a free daily tier and no-signup start.

1.8M visits/mo43K saves
Chatnode logo
Chatnode
✓ verifiedFreemium

Platform to build AI customer-service agents trained on your data that answer 24/7, take real actions and hand off to humans.

10K visits/mo44K saves
Aident AI logo
Aident AI
✓ verifiedFreemium

No-code automation builder that runs AI-agent 'Playbooks' described in plain English across 1000+ app integrations with approvals.

82K visits/mo8.0K saves
Convex logo
Convex
✓ verifiedFreemium

TypeScript backend-as-a-service with a reactive database, server functions, auth and file storage for full-stack and AI apps.

692K visits/mo20K saves
Personal AI logo
Personal AI
✓ verifiedPaid

AI memory platform with a remembering assistant, no-code persona builder, and memory API for teams that need stateful AI.

54K visits/mo4.0K saves
Pricing

No public pricing

Free: $0/mo (35 credits/mo, 1 chatbot)
Lite: $35/mo (1,250 credits/mo, 1 agent)
Standard: $89/mo (12,500 credits/mo, 3 agents)
Scale: $377/mo (50,000 credits/mo, 8 agents)

Free trial available

No public pricing

Free & Starter: $0/mo (pay-as-you-go, 1-6 developers)
Professional: $25/developer/mo
Business & Enterprise: $2,500/mo minimum

No public pricing

Core features
  • Chat with PDFs, Word, PowerPoint and text files
  • Summaries with cited sources
  • Multi-file chats via folders
  • Any-language upload and chat
  • Extra tools: AI writer, detector, flashcards, slides
  • No-signup quick start
  • AI agents trained on website/docs with auto-retrain
  • AI Actions (Stripe billing, Calendly booking, API calls)
  • Multi-channel embed (site, Slack, Notion and more)
  • Human handoff with context
  • Analytics on deflection and satisfaction
  • Multiple LLMs selectable per task
  • Plain-English automation via Playbooks
  • AI Editor that drafts workflows from intent
  • 1000+ integrations, 23,000+ actions
  • Live dashboard for monitoring and approvals
  • No-code, no visual builder
  • Reactive real-time database
  • TypeScript server functions (queries/mutations/actions)
  • Built-in authentication
  • Cron jobs and backend workflows
  • File storage, text and vector search
  • ACID transactions; open-source/self-host
  • My AI: a personal assistant with persistent memory that learns your preferences
  • Persona Studio: design, configure, and deploy AI personas without code
  • Memory Core: unified context and memory service for self-improving AI
  • MODEL-4 on-network enterprise deployment
  • SOC 2 and HIPAA certified, GDPR compliant
  • TLS 1.2+ encryption in transit and AES-256 at rest
  • Developer API and documentation
Use cases
  • Understand research papers
  • Study and homework help
  • Review contracts and reports
  • Translate and summarize documents
  • Automate customer support
  • Book meetings and complete tasks in chat
  • Capture and qualify leads
  • Keep answers current via auto-retrain
  • Automating recurring reports and reminders
  • Cross-app workflow automation
  • Updating leads or data on a schedule
  • Team task automation in plain language
  • Building real-time reactive apps
  • Backends for AI agents
  • Replacing Firebase or Supabase
  • Full-stack TypeScript development
  • Using a personal AI assistant that remembers every conversation and evolves with you
  • Building and deploying AI personas for any vertical or business function without code
  • Adding persistent memory to AI applications via the Memory Core service
  • Deploying MODEL-4 on an enterprise's own network for private AI
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