Cloudflare Workers AI Has a Free API You Should Know About

Cloudflare Workers AI lets you run AI models on Cloudflare's edge network. Text generation, image classification, embeddings, speech-to-text — all running at the edge with no GPU infrastructure to manage.

Why Edge AI Matters

A developer needed AI inference but didn't want to manage GPUs or pay OpenAI rates. Workers AI runs models on Cloudflare's network — pay per request, no infrastructure, global low-latency.

Key Features:

• Edge Inference — AI models run globally on Cloudflare's network
• No GPU Management — Serverless, pay per request
• Multiple Model Types — LLMs, embeddings, image, audio, translation
• Built-in Models — Llama, Mistral, Stable Diffusion, Whisper
• Free Tier — 10,000 neurons/day free

Quick Start

export default {
  async fetch(request, env) {
    const response = await env.AI.run("@cf/meta/llama-3-8b-instruct", {
      messages: [{ role: "user", content: "What is machine learning?" }]
    })
    return Response.json(response)
  }
}

Embeddings

const embeddings = await env.AI.run("@cf/baai/bge-base-en-v1.5", {
  text: ["What is Cloudflare?", "How does CDN work?"]
})

Image Generation

const image = await env.AI.run("@cf/stabilityai/stable-diffusion-xl-base-1.0", {
  prompt: "A futuristic city at sunset"
})
return new Response(image, { headers: { "Content-Type": "image/png" } })

Why Choose Workers AI

1. No infrastructure — serverless AI inference
2. Global — runs at the edge near users
3. Cost-effective — pay per request, generous free tier

Check out Workers AI docs to get started.

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Building AI at the edge? Check out my Apify actors or email [e-mail] for custom solutions.