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
Replicate S | Rows A | ChatGPT S | Windsurf A | |
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| Tagline | Run any open-source AI model with an API call. | Spreadsheets with AI + live integrations baked in. | The default. Strongest ecosystem + best multimodal breadth. | Codeium's agentic IDE. Cascade agent + strong free tier. |
| Category | dev platform | data | chat | coding |
| Pricing | Pay per second of compute | Free + $19-$89/user/mo | Free + $20/mo Plus + $200/mo Pro | Free + $15/mo Pro |
| Best for | Developers using open-source models (Flux, SDXL, Whisper, etc). | Ops teams, marketers, anyone building dashboards from multiple sources. | General use, voice chat, image generation, first-time AI users. | Developers who want Cursor-like power for less money. |
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| Kai's verdict | S-tier for open-source model APIs. The default in this space. | A-tier. The most interesting spreadsheet in years. Great for ops dashboards. | S-tier all-rounder. If you want one tool that does everything okay-to-great, this is it. | A-tier. Close second to Cursor. If $5/mo matters, start here. |
| Link | Open → | Open → | Open → | Open → |