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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.

45K visits/mo
ChatPRD logo
ChatPRD
✓ verifiedFreemium

AI copilot for product managers: turns ideas into PRDs and specs, gives CPO-style feedback, and integrates with PM tools.

164K visits/mo
LightOn logo
LightOn
✓ verifiedFreemium

Production RAG API for developers: parse, extract and search documents with SOTA OCR and cited retrieval, cloud or on-prem.

29K visits/mo
Pricing

No public pricing

Free: $0/mo (3 limited chats)
Pro: $15/mo (unlimited docs)
Teams: $29/mo per seat (collaboration)

Free trial available

Starter: Free + usage (parsing €0.002/page)
Business: €149/mo + usage (100 GB storage, unlimited users)

Free trial available

Core features
  • Text and SMS chat
  • Appointment booking
  • Reminders
  • Digital payments
  • Video calls
  • AI-assisted communication (CoPilot)
  • Wellness and Loyalty Plans
  • PMS Integration
  • Generate PRDs, one-pagers and user stories from a prompt
  • CPO-level document coaching and gap analysis
  • Custom templates matched to team standards
  • Integrations: Linear, Notion, Slack, Confluence, GitHub
  • Shared team workspaces and personas
  • Export to Notion, Confluence, Google Docs
  • Parse endpoint with SOTA OCR (LightOnOCR-2)
  • Extract endpoint for schema-based JSON
  • Search endpoint with hybrid retrieval and citations
  • MCP-native and LLM-agnostic
  • Workspaces and chunk-level access control
  • On-prem, VPC or air-gapped deployment
Use cases
  • Streamlining communication between veterinary clinics and pet owners
  • Managing appointment requests and bookings
  • Processing digital payments for veterinary services
  • Sending reminders for medication and appointments
  • Boosting wellness plan subscriptions
  • Reducing missed calls at veterinary clinics
  • Draft product requirement docs fast
  • Get expert feedback on specs
  • Standardize docs across a product team
  • Turn PRDs into tickets and prototypes
  • Build production RAG without a long in-house pipeline
  • OCR and structure scanned documents
  • Grounded document search with citations for agents
  • Deploy secure enterprise document intelligence
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