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.
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Coding
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Productivity
Writing
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Writesonic B | Devin A | Descript S | Rows A | |
|---|---|---|---|---|
| Tagline | SEO-first AI writer. Optimized for ranking content. | Cognition Labs' autonomous coding engineer. | Edit video + podcasts by editing the transcript. | Spreadsheets with AI + live integrations baked in. |
| Category | Marketing | Agents | Video | Data |
| Pricing | Free + $15-$99/mo | $500/mo | Free + $16-$50/mo | Free + $19-$89/user/mo |
| Best for | Content marketers churning out SEO articles. | Engineering teams offloading tickets. Ops/platform work. | Podcasters, course creators, anyone editing talking-head content. | Ops teams, marketers, anyone building dashboards from multiple sources. |
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| Kai's verdict | B-tier. Use Claude + manual SEO thinking. Writesonic is fast but generic. | A-tier for the right use case. Not for solo devs. If you manage engineers, try one license. | S-tier for content creators. Cuts editing time in half. Non-obvious but life-changing. | A-tier. The most interesting spreadsheet in years. Great for ops dashboards. |
| Link | Open → | Open → | Open → | Open → |