comparison
inference.sh ui vs Vercel AI SDK
Vercel AI SDK gives you hooks for LLM streaming. inference.sh ui gives you a full agent UI system with 30+ generative widgets.
| Vercel AI SDK | inference.sh ui | |
|---|---|---|
| React hooks (useChat) | ||
| LLM streaming | ||
| structured output | ||
| generative UI widgets (30+) | ||
| agent state management | ||
| tool approval UI (HITL) | ||
| embeddable (iframe) | ||
| proxy adapters (next.js, remix, sveltekit, hono) | ||
| connected to 250+ tools | ||
| multi-channel rendering |
the key difference
Vercel AI SDK is a great foundation. useChat and useCompletion give you streaming LLM responses with minimal code. if you're adding a chat feature to a Next.js app, it's the right starting point.
inference.sh ui goes further. it's not just hooks for streaming text. it's a full agent UI system. your agent can render tables, charts, forms, maps, and 26 other widget types. tool approval gates render as inline UI. agent state is managed through AgentChatProvider, not manual useEffect chains.
not just chat
Vercel AI SDK renders text streams. inference.sh ui renders structured output as rich components. when your agent calls a tool that returns tabular data, it renders as a table. when it returns coordinates, it renders as a map. the agent decides what to render. you don't write conditional rendering logic for every output type.
frequently asked questions
can I use Vercel AI SDK and inference.sh ui together?
they solve different layers. Vercel AI SDK is great for basic LLM streaming. inference.sh ui adds agent state management, generative widgets, and tool approvals on top. you could start with one and add the other.
is inference.sh ui React-only?
React natively, with proxy adapters for Next.js, Remix, SvelteKit, Hono, and Express. iframe embed works anywhere, including non-React apps.
does inference.sh ui cost extra?
the components are free and open source. they connect to inference.sh agents, which has its own pricing for compute and tool usage.
ready to ship?
start with the hosted platform. deploy your own when you're ready.
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