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
Image
Productivity
Writing
Marketing
Aider A | Sora A | Descript S | |
|---|---|---|---|
| Tagline | Terminal-based AI pair programmer. Git-aware, model-flexible. | OpenAI's video model. Long clips, cinematic quality. | Edit video + podcasts by editing the transcript. |
| Category | Coding | Video | Video |
| Pricing | Free (open source) + whatever API you use | Included with ChatGPT Plus/Pro | Free + $16-$50/mo |
| Best for | Developers who want open-source tooling with full control. | ChatGPT subscribers experimenting with cinematic shots. | Podcasters, course creators, anyone editing talking-head content. |
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| Kai's verdict | A-tier. The right answer if you want open-source + terminal-native + model-agnostic. | A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros. | S-tier for content creators. Cuts editing time in half. Non-obvious but life-changing. |
| Link | Open → | Open → | Open → |