Compare AI tools
Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via
?tools=claude,chatgpt,gemini.Pick tools (4 selected)
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GitHub Copilot B | Bolt.new (StackBlitz) A | Hex A | Reflect A | |
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| Tagline | Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration. | Prompt to deployed full-stack app in the browser. | Modern data notebook with Magic AI assistant. | AI-powered networked notes. Roam with a brain. |
| Category | coding | coding | data | productivity |
| Pricing | Free (limited) + $10/mo Pro + $19/mo Business | Free + $20-$200/mo | Free + $28+/user/mo | $10/mo |
| Best for | Teams with GitHub already. Devs who don't want to change IDEs. | PMs, founders, non-devs shipping MVPs. | Data teams at startups + enterprises. | Knowledge workers + thinkers who want AI in their second brain. |
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| Kai's verdict | B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't. | A-tier. Best for fast prototypes. Competitive with Lovable — try both. | A-tier for data teams. S-tier if you already live in SQL + Python. | A-tier. Niche but beloved. If you've outgrown Notion, try this. |
| Link | Open → | Open → | Open → | Open → |