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
Replit Agent A | Google Veo A | ChatGPT Operator B | Devin A | |
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| Tagline | Replit's AI that builds + deploys full apps on their platform. | Google's video model. Baked into Gemini + YouTube Shorts. | OpenAI's browser agent. Clicks and types on websites for you. | Cognition Labs' autonomous coding engineer. |
| Category | coding | video | agents | agents |
| Pricing | $10-$25/mo Core/Teams | Included with Gemini Advanced $20/mo + YouTube creator tools | Included with ChatGPT Pro $200/mo | $500/mo |
| Best for | Teachers, students, prototypers, hackathon builders. | Gemini Advanced users, YouTube Shorts creators. | Power users willing to pay $200/mo for a browser bot. | Engineering teams offloading tickets. Ops/platform work. |
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| Kai's verdict | A-tier. Best for teaching a kid to code in 2026. | A-tier if you already pay Gemini. B-tier standalone. | B-tier. Still early. Manus is more flexible for less money. | A-tier for the right use case. Not for solo devs. If you manage engineers, try one license. |
| Link | Open → | Open → | Open → | Open → |