aiclientjs

The lightweight, universal AI client for JavaScript & TypeScript.

One function. Any model. Zero dependencies.

npm install aiclientjs

import { ai } from 'aiclientjs';

const { text } = await ai('Explain quantum computing in one sentence');

That's it. No boilerplate. No framework lock-in. Works everywhere.

Why aiclientjs?

	aiclientjs	Vercel AI SDK	Direct API calls
Bundle size	~8 KB gzipped	~150 KB+	N/A
Dependencies	0	20+	varies
Providers	OpenAI, Anthropic, Google, Ollama, custom	OpenAI, Anthropic, Google, more	1 per SDK
Runtimes	Node, Deno, Bun, Browser, Edge	Primarily Node/Edge	varies
Streaming	for await...of	React hooks / streams	manual SSE parsing
TypeScript	First-class, fully typed	Yes	varies
Learning curve	1 function	Framework concepts	Per-provider docs

Features

• One unified API — ai() works with every provider
• Zero dependencies — uses native fetch, ReadableStream, TextDecoder
• Streaming — first-class async iterable support
• Structured output — type-safe JSON with JSON Schema or Zod
• Tool calling — define tools, aiclientjs executes them
• Provider-agnostic — OpenAI, Anthropic, Google Gemini, Ollama, or your own
• Universal runtime — Node.js 18+, Deno, Bun, Browser, Cloudflare Workers

Runtime Support

Runtime	Supported
Node.js 18+	✅
Deno	✅
Bun	✅
Cloudflare Workers	✅
Browser	✅
Vercel Edge	✅