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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Dev Platform
Coding
Image
Productivity
Writing
Marketing
GitHub Copilot B | Stripe Link A | Sora A | Google Veo A | |
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| Tagline | Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration. | A digital wallet that lets AI agents spend on your behalf — without ever seeing your actual card number. | OpenAI's video model. Long clips, cinematic quality. | Google's video model. Baked into Gemini + YouTube Shorts. |
| Category | Coding | Agents | Video | Video |
| Pricing | Free (limited) + $10/mo Pro + $19/mo Business | Free for consumers; standard Stripe per-transaction fees for merchants | Included with ChatGPT Plus/Pro | Included with Gemini Advanced $20/mo + YouTube creator tools |
| Best for | Teams with GitHub already. Devs who don't want to change IDEs. | Anyone running autonomous AI agents (shopping bots, booking assistants, personal AI) who wants delegated payment capability without handing over raw card data. | ChatGPT subscribers experimenting with cinematic shots. | Gemini Advanced users, YouTube Shorts creators. |
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| Kai's verdict | B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't. | Stripe Link is the most credible first move toward a real agentic payment layer — the one-time-use card model is genuinely clever, and the existing merchant network gives it a head start no startup wallet can match. But the 'approve every transaction' UX will get old fast, and the hard part (autonomous spending with guardrails) is still on the roadmap. (Verdict pending Phi's full review.) | A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros. | A-tier if you already pay Gemini. B-tier standalone. |
| Link | Open → | Open → | Open → | Open → |