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
Cursor S | Sora A | Fireflies A | Replicate S | |
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| Tagline | VS Code fork that made AI coding actually work. | OpenAI's video model. Long clips, cinematic quality. | Sales-focused meeting AI with CRM integration. | Run any open-source AI model with an API call. |
| Category | Coding | Video | Meetings | Dev Platform |
| Pricing | Free + $20/mo Pro + $40/mo Business | Included with ChatGPT Plus/Pro | Free + $10-$19/user/mo | Pay per second of compute |
| Best for | Developers. Non-developers who want to ship working code. | ChatGPT subscribers experimenting with cinematic shots. | Sales teams, customer success, anyone running many discovery calls. | Developers using open-source models (Flux, SDXL, Whisper, etc). |
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| Kai's verdict | S-tier for coding. If you write code of any kind, this pays back the $20 in a day. | A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros. | A-tier for sales teams. B-tier for solo users. | S-tier for open-source model APIs. The default in this space. |
| Link | Open → | Open → | Open → | Open → |