---
title: Limits & pricing
description: Limits & pricing for Workers Builds
image: https://developers.cloudflare.com/dev-products-preview.png
---

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# Limits & pricing

Workers Builds has the following limits.

| Metric                            | Free plan                              | Paid plans                                 |
| --------------------------------- | -------------------------------------- | ------------------------------------------ |
| **Build minutes**                 | 3,000 per month                        | 6,000 per month (then, +$0.005 per minute) |
| **Concurrent builds**             | 1                                      | 6                                          |
| **Build timeout**                 | 20 minutes                             | 20 minutes                                 |
| **Deploy Hooks**                  | 10/min per Worker, 100/min per account | 10/min per Worker, 100/min per account     |
| **CPU**                           | 2 vCPU                                 | 4 vCPU                                     |
| **Memory**                        | 8 GB                                   | 8 GB                                       |
| **Disk space**                    | 20 GB                                  | 20 GB                                      |
| **Environment variables**         | 64                                     | 64                                         |
| **Size per environment variable** | 5 KB                                   | 5 KB                                       |

## Definitions

* **Build minutes**: The amount of minutes that it takes to build a project.
* **Concurrent builds**: The number of builds that can run in parallel across an account.
* **Build timeout**: The amount of time that a build can be run before it is terminated.
* **Deploy Hooks**: The rate limit for builds triggered by [Deploy Hooks](https://developers.cloudflare.com/workers/ci-cd/builds/deploy-hooks/).
* **vCPU**: The number of CPU cores available to your build.
* **Memory**: The amount of memory available to your build.
* **Disk space**: The amount of disk space available to your build.
* **Environment variables**: The number of custom environment variables you can configure per Worker.
* **Size per environment variable**: The maximum size for each individual environment variable.

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```