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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.

Harbor logo
Harbor
✓ verifiedFreemium

AI SEO content workspace that reads your sitemap, finds keyword gaps, writes articles, and publishes to your CMS.

9.0K visits/mo
Jina AI logo
Jina AI
✓ verifiedFreemium

Developer API suite (Reader, Embeddings, Reranker) that turns web content into LLM-ready data for search and RAG.

483K visits/mo18K saves
Heuristica logo
Heuristica
✓ verifiedFreemium

An AI-powered learning platform that turns sources into concept maps, flashcards, quizzes and summaries with multi-model chat.

89K visits/mo12K saves
Sune AI logo
Sune AI
✓ verifiedFreemium

Collaborative AI workspace combining docs, sheets and integrations with AI agents, aimed at teams wanting a 'second brain'.

1.7K visits/mo
Pricing
Free: €0/mo (3 articles/mo, 1 site)
Solo: €24/mo (25 articles/mo)
Growth: €39/mo (50 articles/mo)
Powerhouse: €83/mo (100 articles/mo)

No public pricing

Basic: Free (up to 3 saved concept maps)
Professional: $7.99/mo (unlimited maps, multi-model AI, all features)
Starter: $9.95/mo (5,000 credits/mo, unlimited workspaces)
Core features
  • Sitemap crawl and content-gap discovery
  • AI article writing with SEO structure
  • Bulk article generation
  • One-click publishing to WordPress/Shopify/Webflow
  • Live rank tracking via Search Console
  • Multi-client agency workspaces
  • Reader API converts URLs to Markdown
  • Multimodal multilingual embedding models
  • Reranker for stronger search relevance
  • Web search endpoint returning SERP data
  • MCP server for use inside LLMs
  • Native inference inside Elasticsearch
  • Concept map builder
  • Flashcards with spaced repetition
  • AI quiz and summary generation
  • Import from PDFs, YouTube, websites, PubMed and arXiv
  • Multi-model AI chat (GPT, Claude, Gemini, Qwen)
  • Cross-format conversion and sharing
  • Real-time collaborative docs, sheets, kanban boards, and calendars
  • Integrations with Notion, Salesforce, Slack, Google, GitHub, and more
  • AI agents that perform background research and content tasks
  • Natural-language automation builder with a visual node editor
  • Cross-document AI analysis to surface latent connections
  • Centralized file storage and workspace sharing
Use cases
  • Scaling SEO blog content
  • Finding keyword opportunities
  • Agency client content production
  • Automating internal linking
  • Ground LLMs with clean web content
  • Build semantic and RAG search
  • Rerank retrieved results
  • Give AI agents live web access
  • Visualizing and studying complex topics
  • Turning research sources into study materials
  • Literature review and dissertation prep
  • Building a shared knowledge base for a team's projects
  • Automating multistep workflows like report generation or email drafting
  • Using AI agents to handle background research or data analysis tasks
  • Replacing scattered documents and spreadsheets with one collaborative hub
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