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Bun Pricing 2026

Complete pricing guide for Bun — plans, costs, and free options.

Open SourceFree to useUpdated April 5, 2026

💰 Bun Pricing Overview

Bun uses a open source pricing model. Free and open-source software you can self-host. Current pricing: Free and open-source. MIT license. Bun is a popular coding & development tool known for fast all-in-one javascript runtime and toolkit. You can get started with Bun for free and upgrade to a paid plan as your needs grow.

🔍 Compare Before You Buy

Comparing Bun to similar tools helps you make the best choice for your budget and needs:

Deno

Open Source

Secure JavaScript runtime with built-in tooling

Free to use

Compare with Bun

Bun Plans & Pricing

Free

$0forever

and open-source

* Pricing information is based on publicly available data and may not reflect current promotions, annual discounts, or regional pricing. Visit the official Bun website for the latest pricing.

Is Bun Free?

Yes, Bun offers a free open-source version

Bun is open-source software that you can use, modify, and self-host completely for free. This makes it an excellent choice for developers and organizations who want full control over their deployment. Some managed hosting or cloud-based versions may have associated costs.

Is Bun Worth It?

Bun is a free coding & development tool that offers 6 key features including Fast JavaScript runtime, Built-in bundler, Test runner. All-in-one JavaScript runtime, bundler, test runner, and package manager. Bun is designed for speed with native TypeScript support, faster npm installs, and Node.js compatibility.

Bun is a good choice if you need:

  • Fast JavaScript runtime
  • Built-in bundler
  • Test runner
  • Package manager
  • Native TypeScript

💡 Value Assessment

With a free tier available, Bun is an easy recommendation for anyone looking to try coding & development tools without financial commitment. The paid plans offer good value for power users who need the additional features and higher usage limits.

Bun Key Features

Bun comes packed with features that make it a strong contender in the coding & development space. Here's what you get:

1.
Fast JavaScript runtime

Available in the free plan with limits — Fast JavaScript runtime helps you work more efficiently with Bun.

2.
Built-in bundler

Available in the free plan with limits — Built-in bundler helps you work more efficiently with Bun.

3.
Test runner

Available in the free plan with limits — Test runner helps you work more efficiently with Bun.

4.
Package manager

Available in the free plan with limits — Package manager helps you work more efficiently with Bun.

5.
Native TypeScript

Available in the free plan with limits — Native TypeScript helps you work more efficiently with Bun.

6.
Node.js compatible

Available in the free plan with limits — Node.js compatible helps you work more efficiently with Bun.

Bun Alternatives & Their Pricing

Considering alternatives to Bun? Here's how competing tools compare on pricing:

Deno

Open Source

Secure JavaScript runtime with built-in tooling

Pricing: Free and open-source. Deno Deploy from $0/mo

Ready to try Bun?

Visit the official website for the latest pricing and to get started.

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Frequently Asked Questions

Is Bun free to use?

Yes, Bun offers a free open-source version that you can use without paying. The free version includes core functionality.

How much does Bun cost in 2026?

As of 2026, Bun pricing is: Free and open-source. MIT license. Pricing may vary based on billing cycle (monthly vs annual) and region. Visit the official Bun website for the most current pricing.

What are the best alternatives to Bun?

Popular alternatives to Bun include Deno. Each offers different features and pricing structures. Compare them on AISO Tools to find the best fit for your needs and budget.

Is Bun worth the price?

Bun is well-regarded in the coding space, offering features like Fast JavaScript runtime, Built-in bundler, Test runner. Whether it's worth the investment depends on your specific needs, usage volume, and budget. The free tier lets you try it before committing to a paid plan.

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