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Cloudflare Workers AI

Run open models (LLMs, embeddings, image, speech) on Cloudflare's GPUs from a Worker or the REST API. · Cloudflare · AI

Overview

Workers AI runs open-weight models on Cloudflare's network. The free daily Neuron allowance is a hard cap on the Workers Free plan, so it cannot create a bill.

Good fit

Use when you already deploy on Cloudflare and want small, capped AI inference with no card.

  • side projects
  • edge apps
  • embeddings

Not a fit

Avoid if you need frontier closed models or steady high volume; the daily cap is small.

  • high-volume inference
  • frontier models
Quickstart · 3 steps
  1. Create a free Cloudflare account.
  2. Create a Worker and add an AI binding.
  3. Call env.AI.run() with a model name.

Other free ai options

2,000 code completions per month · 50 chat requests per month (including Copilot Edits) · Agent mode, CLI, and MCP servers included with limited usage
Billing risk: None
No card
Google Cloud · AI
Sessions run up to 12 hours, depending on availability · GPU/TPU access heavily restricted on the free tier · Exact resource limits are not published and vary over time
Billing risk: None
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Google Cloud · AI
Free input and output tokens on supported models · Limited access to certain models · 5,000 free Google Search grounding requests/month, shared across Gemini 3.x models
Billing risk: None
No card
Hugging Face · AI
Unlimited public repos (best-effort free storage) · 100GB private storage · Storage limits apply across models, datasets, and buckets
Billing risk: None
No card