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Free Cloudflare Workers AI credits & free tier

Cloudflare Workers AI runs open models on Cloudflare's edge network, and every account — including the free Workers plan — gets 10,000 Neurons of inference every day at no charge.

The short answer

The Workers AI free tier gives you 10,000 Neurons per day, resetting at 00:00 UTC, on both the Workers Free and Workers Paid plans. Neurons are Cloudflare’s compute unit rather than tokens, so what the allowance buys depends on the model you call — and eight large third-party models require a paid billing method regardless. It is the strongest option if your app already runs on Cloudflare; for alternatives, compare the free AI API tiers or see which LLM gives the most on its free tier.

Frequently asked questions

Does Cloudflare Workers AI have a free tier?
Yes. Cloudflare states that “Our free allocation allows anyone to use a total of 10,000 Neurons per day at no charge”, and that “Workers AI is included in both the Free and Paid Workers plans”. Cloudflare also says you can “Start building for free — no credit card required.” All limits reset daily at 00:00 UTC.
What is a Neuron?
A Neuron is Cloudflare’s normalised compute unit for Workers AI — it is how Cloudflare meters inference instead of billing per token. Because different models consume Neurons at different rates, the token-equivalent of the 10,000 daily Neurons varies by model. Above the free allowance, Workers Paid is charged at $0.011 per 1,000 Neurons.
Are all Workers AI models free within the daily allowance?
No — most are, but Cloudflare notes that “Some models require a paid billing method”, naming eight: @cf/moonshotai/kimi-k2.6, @cf/moonshotai/kimi-k2.7-code, @cf/zai-org/glm-5.2, @cf/zai-org/glm-5.3, @cf/zai-org/glm-5.3-flash, @cf/deepseek-ai/deepseek-v4-flash-0731, @cf/deepseek-ai/deepseek-v4.1-flash-1017 and @cf/deepseek-ai/deepseek-v4-pro-0813. Those need a Workers Paid plan or prepaid AI Gateway credits regardless of your free Neurons.
How does Cloudflare compare to other free tiers?
It is the natural pick if you already deploy on Cloudflare, since inference runs next to your Workers at the edge. Groq’s Free plan publishes per-model request limits and OpenRouter offers a wider rotating catalogue, so most people hold several keys rather than choosing one.