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
GitHub Copilot B | Aider A | Luma Dream Machine A | Copy.ai A | |
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| Tagline | Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration. | Terminal-based AI pair programmer. Git-aware, model-flexible. | Smooth, cinematic motion. Image-to-video specialist. | AI GTM platform. Workflows for sales + marketing ops. |
| Category | Coding | Coding | Video | Marketing |
| Pricing | Free (limited) + $10/mo Pro + $19/mo Business | Free (open source) + whatever API you use | Free + $10-$500/mo | Free + $49-$249/mo |
| Best for | Teams with GitHub already. Devs who don't want to change IDEs. | Developers who want open-source tooling with full control. | Photographers animating stills, cinematic b-roll. | RevOps + marketing ops automating repetitive tasks. |
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| Kai's verdict | B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't. | A-tier. The right answer if you want open-source + terminal-native + model-agnostic. | A-tier. Best for cinematic image-to-video. Pair with Runway for coverage. | A-tier for ops automation. B-tier for simple copy (use Claude). |
| Link | Open → | Open → | Open → | Open → |