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)
Dev Platform
Agents
Video
Coding
Image
Productivity
Writing
Marketing
GitHub Copilot B | Leonardo.ai A | Genspark A | Claude Agent SDK S | |
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| Tagline | Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration. | Gamer + creator image gen with model fine-tuning built in. | AI agent for deep search. Generates Sparkpages — full mini-reports. | Anthropic's SDK for building your own agents on Claude. |
| Category | Coding | Image | Research | Agents |
| Pricing | Free (limited) + $10/mo Pro + $19/mo Business | Free + $12-$60/mo | Free + $25/mo Plus | API usage + SDK is free |
| Best for | Teams with GitHub already. Devs who don't want to change IDEs. | Indie game devs, illustrators, anyone training custom style models. | Travel planning, shopping comparisons, deep research where you want an artifact back. | Developers building custom agents for their own company/product. |
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| Kai's verdict | B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't. | A-tier for creators training custom looks. B-tier for general use. | A-tier. Bet on this one — the Sparkpage format is genuinely new. | S-tier for builders. The right primitives. What Kai is built on under the hood. |
| Link | Open → | Open → | Open → | Open → |