Quick Answer
Last verified:
High confidence

SGLang costs Free to Free per open-source license as of August 2026 including a free tier. Plan: Open Source (Apache 2.0) (free). Pricing depends on your chosen tier, contract length, and negotiated discounts.

Use the interactive pricing calculator to estimate your exact cost based on team size and requirements.

  • Free tier: Yes

SGLang offers 1 pricing tiers: Open Source (Apache 2.0). The Open Source (Apache 2.0) plan is teams self-hosting high-performance model serving.

Last verified: | Sources: 2 pricing pages and reviews
Forever Free plan type

Yes, SGLang offers a forever free plan as of August 2026. The free tier includes 3 features with limits on usage. Pricing verified from 2 sources by CostBench.

Forever Free

SGLang's free plan is available indefinitely with no time limit.

What's Included in the Free Plan

  • LLM and multimodal model serving framework
  • Self-hosted deployment
  • Apache License 2.0
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You'll Need to Upgrade When...

  • You exceed the user limit
  • You need features like advanced automation
  • You require premium support or SLA guarantees
  • You need to remove branding or watermarks
  • You need advanced integrations or API access

Hidden Restrictions on Free Plan

  • ! SGLang branding may appear on your content or communications
  • ! Support is limited to community forums or email with longer response times
  • ! Export options may be restricted or include watermarks
  • ! API access is typically limited or not available
  • ! Advanced reporting and analytics require paid plans

Free vs Paid: Which Do You Need?

Free Plan is Enough If...

  • You're an individual or very small team
  • You need only basic features
  • You don't mind usage limits
  • Branding on output is acceptable
  • Community support is sufficient

Frequently Asked Questions

01 Is SGLang free?

Yes, SGLang offers a forever free plan with 3 core features included. However, there are limits on users and features that may require upgrading.

02 What's included in SGLang's free plan?

SGLang's free plan includes: LLM and multimodal model serving framework, Self-hosted deployment, Apache License 2.0. Key limits include basic usage caps.

03 What's NOT included in SGLang's free plan?

The free plan excludes: advanced features, premium support, and higher limits. You'll also have SGLang branding and limited support options.

04 When should I upgrade from SGLang's free plan?

Consider upgrading when: you hit user or storage limits, need features like advanced automation, require premium support, or want to remove branding. The cheapest paid plan starts at $0/open-source license.

05 Is SGLang's free plan really free forever?

Yes, SGLang's free plan is available indefinitely with no time limit. However, feature and usage limits may restrict what you can do without upgrading to a paid plan.

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