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 (3 selected)
Coding
Image
Productivity
Writing
Marketing
Manus S | Jasper B | Devin A | |
|---|---|---|---|
| Tagline | Autonomous AI agent that actually finishes tasks. | Marketing-first AI writing. Brand voice + campaign tools. | Cognition Labs' autonomous coding engineer. |
| Category | Agents | Marketing | Agents |
| Pricing | Free tier + $39-$199/mo | $49-$129/mo | $500/mo |
| Best for | People who want to hand off tasks entirely — trip planning, research, spreadsheet building. | Marketing teams that need brand-consistent output at scale. | Engineering teams offloading tickets. Ops/platform work. |
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| Kai's verdict | S-tier in the agent category. The first one I'd give to a non-technical friend. | B-tier for individuals — Claude does this for less. A-tier for teams needing brand consistency. | A-tier for the right use case. Not for solo devs. If you manage engineers, try one license. |
| Link | Open → | Open → | Open → |