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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Claude Code S | Windsurf A | Devin A | Bolt.new (StackBlitz) A | |
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| Tagline | Anthropic's CLI agent. Opus-powered, operates on your repo directly. | Codeium's agentic IDE. Cascade agent + strong free tier. | Cognition Labs' autonomous coding engineer. | Prompt to deployed full-stack app in the browser. |
| Category | coding | coding | agents | coding |
| Pricing | Part of Claude Pro/Max/Team plans | Free + $15/mo Pro | $500/mo | Free + $20-$200/mo |
| Best for | Developers who want an agent, not autocomplete. Large refactors, tests, docs. | Developers who want Cursor-like power for less money. | Engineering teams offloading tickets. Ops/platform work. | PMs, founders, non-devs shipping MVPs. |
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| Kai's verdict | S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement. | A-tier. Close second to Cursor. If $5/mo matters, start here. | A-tier for the right use case. Not for solo devs. If you manage engineers, try one license. | A-tier. Best for fast prototypes. Competitive with Lovable — try both. |
| Link | Open → | Open → | Open → | Open → |