Best SGLang alternatives
4 tools developers use instead of SGLang, ranked by popularity. 4 offer a free plan and 3 are open source. Updated October 2026.
-
The default way to run open-weight LLMs locally: a single command pulls and runs a model like Llama, DeepSeek, or Qwen on your own machine, with an OpenAI-compatible API.
-
LM Studio
FreeDesktop app for discovering, downloading and running local LLMs, with a built-in chat UI and an OpenAI-compatible local server.
-
C/C++ LLM inference engine and GGUF format that runs quantized models efficiently on CPUs, Apple Silicon and GPUs, with an OpenAI-compatible server.
-
Open-source, high-throughput inference engine for serving LLMs at scale, using PagedAttention to significantly cut memory waste and boost GPU utilization.