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
Perplexity S | Devin A | Adobe Firefly A | Reflect A | |
|---|---|---|---|---|
| Tagline | AI search done right. Cited answers, not chat theater. | Cognition Labs' autonomous coding engineer. | Commercially safe image gen, deeply integrated with Photoshop. | AI-powered networked notes. Roam with a brain. |
| Category | Research | Agents | Image | Productivity |
| Pricing | Free + $20/mo Pro | $500/mo | Free + included with Creative Cloud | $10/mo |
| Best for | Replacing Google for any question where you want a cited answer in seconds. | Engineering teams offloading tickets. Ops/platform work. | Anyone in Creative Cloud. Brands that need copyright clarity. | Knowledge workers + thinkers who want AI in their second brain. |
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| Kai's verdict | S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week. | A-tier for the right use case. Not for solo devs. If you manage engineers, try one license. | S-tier inside Photoshop (Generative Fill). B-tier standalone. | A-tier. Niche but beloved. If you've outgrown Notion, try this. |
| Link | Open → | Open → | Open → | Open → |