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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.

LlamaIndex logo
LlamaIndex
✓ verifiedFreemium

Developer framework and LlamaParse service for parsing documents and building AI agents and RAG workflows over them.

455K visits/mo1.9K saves
2.5K visits/mo
Dia Browser logo
Dia Browser
✓ verifiedFreemium

AI web browser for macOS that reads your tabs and connected apps to brief you, synthesize info and answer questions across your work.

630K visits/mo845 saves
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
Context Link logo
Context Link
✓ verifiedFree trial

Connects your docs, inboxes and apps into one source-backed knowledge base that ChatGPT, Claude and agents can query.

19K visits/mo
Pricing

No public pricing

No public pricing

No public pricing

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

Free trial available

Context: $19/seat/mo (7-day trial)
Context + Lenses: $59/mo (then $19 per extra seat)

Free trial available

Core features
  • LlamaParse document parsing and extraction
  • Open-source framework for AI agents and workflows
  • Document indexing for retrieval/RAG
  • Prebuilt solutions by industry and use case
  • Free starter credits for LlamaParse
  • Markdown to Notion publishing
  • Automatic subpage creation from directory structure
  • CLI flag support for title and emoji
  • Integration with Notion's AI, search, and formatting
  • AI that reasons across open tabs and connected apps
  • Morning Brief of calendar, inbox and links
  • Synthesis into reports and decks
  • Split view and organised tab groups
  • Work and personal profiles
  • Privacy controls with end-to-end encrypted Sync
  • 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
  • Unifies docs, websites, inboxes and files into one synced knowledge base
  • Works with ChatGPT, Claude, Copilot, Gemini and MCP-aware agents
  • Source-cited answers with reviewable past lookups
  • Save settled decisions as reusable Memories
  • Sources auto re-sync every 24 hours
  • Exclude anything you do not want indexed
Use cases
  • Parse complex documents for AI apps
  • Build RAG and agent workflows
  • Automate invoice and claims processing
  • Search across technical documents
  • Publishing documentation to a Notion workspace
  • Creating a public website from markdown documentation
  • Maintaining documentation alongside code in a repository
  • Summarising and synthesising work context
  • Starting the day with an agenda brief
  • Answering questions across tools and tabs
  • Separating work and personal browsing
  • 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
  • Let AI answer questions about your business from existing content
  • Give e-commerce or agency teams one place to query support, brand and catalog docs
  • Keep canonical decisions like pricing or ICP current across every AI tool
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