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
Replicate S | Stripe Link A | Adobe Firefly A | HeyGen S | |
|---|---|---|---|---|
| Tagline | Run any open-source AI model with an API call. | A digital wallet that lets AI agents spend on your behalf — without ever seeing your actual card number. | Commercially safe image gen, deeply integrated with Photoshop. | AI avatar videos. Record once, speak any language. |
| Category | Dev Platform | Agents | Image | Video |
| Pricing | Pay per second of compute | Free for consumers; standard Stripe per-transaction fees for merchants | Free + included with Creative Cloud | Free + $24-$65/mo |
| Best for | Developers using open-source models (Flux, SDXL, Whisper, etc). | Anyone running autonomous AI agents (shopping bots, booking assistants, personal AI) who wants delegated payment capability without handing over raw card data. | Anyone in Creative Cloud. Brands that need copyright clarity. | Course creators, multilingual marketers, anyone scaling video content. |
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| Kai's verdict | S-tier for open-source model APIs. The default in this space. | 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.) | S-tier inside Photoshop (Generative Fill). B-tier standalone. | S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code. |
| Link | Open → | Open → | Open → | Open → |