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)
coding
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productivity
writing
marketing
Claude Code S | Runway S | NotebookLM S | Rows A | |
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| Tagline | Anthropic's CLI agent. Opus-powered, operates on your repo directly. | The pro's AI video tool. Gen-4 is the current bar. | Google's research notebook. Turns your docs into a podcast. | Spreadsheets with AI + live integrations baked in. |
| Category | coding | video | research | data |
| Pricing | Part of Claude Pro/Max/Team plans | Free + $15-$95/mo | Free | Free + $19-$89/user/mo |
| Best for | Developers who want an agent, not autocomplete. Large refactors, tests, docs. | Marketing video, pitch decks, b-roll, creative shorts. | Students, researchers, anyone with a stack of PDFs or a topic to learn. | 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. Market leader with reason. Start here for serious video. | S-tier for study. The Audio Overview is a killer feature. Try it with three of your favorite PDFs. | A-tier. The most interesting spreadsheet in years. Great for ops dashboards. |
| Link | Open → | Open → | Open → | Open → |