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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Elicit S | Runway S | Claude Code S | Replicate S | |
|---|---|---|---|---|
| Tagline | AI research assistant for academic literature. | The pro's AI video tool. Gen-4 is the current bar. | Anthropic's CLI agent. Opus-powered, operates on your repo directly. | Run any open-source AI model with an API call. |
| Category | research | video | coding | dev platform |
| Pricing | Free + $12-$42/mo | Free + $15-$95/mo | Part of Claude Pro/Max/Team plans | Pay per second of compute |
| Best for | Grad students, researchers, anyone doing literature reviews. | Marketing video, pitch decks, b-roll, creative shorts. | Developers who want an agent, not autocomplete. Large refactors, tests, docs. | Developers using open-source models (Flux, SDXL, Whisper, etc). |
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| Kai's verdict | S-tier for academic research. Nothing else comes close for systematic reviews. | S-tier. Market leader with reason. Start here for serious video. | S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement. | S-tier for open-source model APIs. The default in this space. |
| Link | Open → | Open → | Open → | Open → |