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 | Sudowrite S | Perplexity S | Rows A | |
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| Tagline | Anthropic's CLI agent. Opus-powered, operates on your repo directly. | AI writing tool built specifically for fiction writers. | AI search done right. Cited answers, not chat theater. | Spreadsheets with AI + live integrations baked in. |
| Category | coding | writing | research | data |
| Pricing | Part of Claude Pro/Max/Team plans | $19-$59/mo | Free + $20/mo Pro | Free + $19-$89/user/mo |
| Best for | Developers who want an agent, not autocomplete. Large refactors, tests, docs. | Novelists, screenwriters, fiction short-form writers. | Replacing Google for any question where you want a cited answer in seconds. | Ops teams, marketers, anyone building dashboards from multiple sources. |
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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 fiction. If you're writing a novel, this beats raw ChatGPT every time. | S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week. | A-tier. The most interesting spreadsheet in years. Great for ops dashboards. |
| Link | Open → | Open → | Open → | Open → |