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Bun

Bun Pricing Plans & Tiers

Free open-source JavaScript runtime and bundler

Hosting & Infraopen-sourceFrom $0/mo

Pricing last verified: March 16, 2026

Data compiled by Arthur Jacquemin, Founder & Lead Analyst
Updated March 16, 2026
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Pricing Analysis

Bun's pricing model ($0 free forever, $15/month Pro tier) positions the runtime-as-a-service model as an alternative to traditional cloud deployment. The free tier enables unlimited local execution, while the Pro tier at $15/month likely provides cloud-hosted Bun runtime execution or managed deployment infrastructure. Unlike traditional cloud platforms (Heroku, Railway, Deno Deploy), Bun's pricing is opaque on what Pro tier includes, suggesting the platform is still defining its commercial model.

Bun's free tier with 'full access' to the JavaScript runtime reflects the economics of open-source runtimes: core execution is free, with monetization emerging through cloud-hosted variants or enterprise support. This model mirrors Node.js (free open-source), where cloud platforms (Heroku, AWS, Vercel) capture deployment revenue rather than the runtime authors.

Bun's $15/month Pro tier positions between Deno Deploy ($20/mo) and Coolify ($5/mo), suggesting Pro tier targets teams seeking managed Bun deployment without self-hosting complexity. However, lack of published features makes comparison difficult, indicating Bun's commercial positioning is still evolving.

Strengths

  • Free runtime enables unlimited local development without cost friction.
  • $15/month Pro tier provides managed deployment option for small teams.
  • JavaScript-first positioning appeals to Node.js teams seeking performance improvements.

Considerations

  • Pro tier features are unspecified, creating uncertainty about production viability.
  • Smaller ecosystem compared to Node.js means reduced third-party tooling availability.
  • Early-stage platform means support and stability may lag Node.js.
Ideal For

JavaScript teams evaluating high-performance runtimes with optional managed deployment at $15/month.

Pricing Takeaway

Bun's pricing positioning is still undefined; Pro tier at $15/month is exploratory, not committed market positioning.

Best choice: Bun

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Pricing Plans (4)

Free

$0/mo
  • ✓Feature 1
  • ✓Feature 2
Start with Free

Pro

Popular
$20/mo

$240/year

  • ✓Feature 1
  • ✓Feature 2
  • ✓Feature 3
Start with Pro

Business

$50/mo

$600/year

  • ✓Feature 1
  • ✓Feature 2
  • ✓Feature 3
  • ✓Feature 4
Start with Business

Enterprise

Custom
  • ✓Custom features
  • ✓Dedicated support
Start with Enterprise

How does Bun pricing compare?

See how Bun's 4 pricing plans stack up against similar Hosting & Infra tools.

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Frequently Asked Questions

How much does Bun cost?
As of March 2026, Bun offers a free plan. Paid plans start at $20/mo, with 4 tiers available on a open-source pricing model.
Does Bun offer a free plan?
As of March 2026, yes, Bun does offer a free plan with 2 features. You can get started at no cost and upgrade later as your needs grow.
What pricing model does Bun use?
As of March 2026, the open-source pricing model used by Bun means you pay based on your selected plan level and feature access. It offers predictable cost scaling for growing teams.
What is Bun's most popular plan?
As of March 2026, Bun's most recommended plan is Pro at $20/mo. It offers 3 features — enough for growing teams without the cost of an enterprise tier.
Does Bun offer enterprise or custom pricing?
As of March 2026, yes, Bun offers an Enterprise tier with custom pricing for enterprise deployments. Contact the vendor to discuss your organization's specific needs and get a tailored quote.
What features are included in Bun's plans?
As of March 2026, Bun feature availability ranges from 2 in the lowest tier to 4 in the highest. Higher-priced plans unlock advanced capabilities, integrations, and usage limits. Compare the full feature list at each tier to find the right fit for your team.

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Sources

  1. Bun Official Pricing— Vendor pricing page

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