Compare tools
Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
⇄ Comparison dimension — pick the market you're actually shopping in
✕
Paperguide
✓ verifiedPaid
All-in-one research platform for reading, writing and managing papers; high traffic.
286K visits/mo4.1K saves
✕
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
✓ 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
✕
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
Free: $0/month
Starter: $9/month
Advanced: $16/month
Starter: $9/mo
Pro: $18/mo
Expert: $25/mo
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
Starter: Free + usage (parsing €0.002/page)
Business: €149/mo + usage (100 GB storage, unlimited users)
Free trial available
Core features
- ✦AI Search
- ✦Literature Review
- ✦AI Writer
- ✦Reference Manager
- ✦Chat with PDF
- ✦Access to multiple AI models (GPT-4, Claude 3, Mixtral)
- ✦PDF analysis
- ✦AI image generation
- ✦AI data scientist
- ✦AI visualizations
- ✦Music composition
- ✦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
- ✦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
- →Finding relevant research papers and getting research-backed answers.
- →Analyzing papers faster with accurate data extraction.
- →Generating and polishing academic content using AI.
- →Streamlining citation and reference management.
- →Chat with PDF documents to get instant insights
- →Turn data into easy-to-understand visuals
- →Create high-quality images with AI
- →Manage tasks more efficiently with AI assistance
- →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
- →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
Visit