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
image
productivity
writing
marketing
Devin A | GitHub Copilot B | Replicate S | Gamma A | |
|---|---|---|---|---|
| Tagline | Cognition Labs' autonomous coding engineer. | Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration. | Run any open-source AI model with an API call. | AI slide decks that don't look AI-generated. |
| Category | agents | coding | dev platform | productivity |
| Pricing | $500/mo | Free (limited) + $10/mo Pro + $19/mo Business | Pay per second of compute | Free + $10-$20/mo |
| Best for | Engineering teams offloading tickets. Ops/platform work. | Teams with GitHub already. Devs who don't want to change IDEs. | Developers using open-source models (Flux, SDXL, Whisper, etc). | Pitch decks, proposals, internal presentations — fast. |
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| Kai's verdict | A-tier for the right use case. Not for solo devs. If you manage engineers, try one license. | B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't. | S-tier for open-source model APIs. The default in this space. | A-tier. Best of a boring category. Use it for first drafts, then edit in Keynote if high-stakes. |
| Link | Open → | Open → | Open → | Open → |