A agentindex
Tools · Inference engine

SGLang

Fast serving and structured generation engine.

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Open source Self-hostable free
Inference engine
In these stacks
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LicenseApache-2.0
PriceFree
UsageNo model cost
Model supportmulti
Languagespython
GitHub stars29.9k
Last activity2026-07-04
Verified2026-06-27
Verified byseed

A fast inference and structured-generation engine with RadixAttention caching, strong for complex prompting and constrained outputs.

Strengths

  • Excellent for structured generation and multi-turn
  • RadixAttention reuses shared prefixes efficiently

Tradeoffs

  • Newer than vLLM, smaller ecosystem
  • Requires GPU ops expertise

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