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 (3 selected)
coding
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productivity
writing
marketing
Claude Code S | Claude S | DeepSeek S | |
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| Tagline | Anthropic's CLI agent. Opus-powered, operates on your repo directly. | Anthropic's flagship — best reasoning + longest useful context. | Chinese open-weight powerhouse. Crazy cheap, genuinely smart. |
| Category | coding | chat | chat |
| Pricing | Part of Claude Pro/Max/Team plans | Free + $20/mo Pro + team/enterprise | Free web + ultra-cheap API (~$0.14/M input tokens) |
| Best for | Developers who want an agent, not autocomplete. Large refactors, tests, docs. | Long writing, code, careful thinking, documents over 50 pages. | Developers + cost-conscious builders. Anyone fine with self-hosting. |
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| Kai's verdict | S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement. | S-tier for reasoning and writing. If you only pay for one chatbot, pay for this one — especially for long work. | S-tier for price/performance. A-tier for consumer use. If you build apps, this is the budget pick. |
| Link | Open → | Open → | Open → |