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vLLM vs SGLang: free plans compared

Both are in Dev Infrastructure & AI APIs. Here is what each gives you for free, from the vendors’ pricing pages, with the date we last verified each offer (latest ).

vLLM
vLLM is an open-source, high-throughput engine for LLM inference and serving, with an OpenAI-compatible server.
How to get vLLM free
SGLang
SGLang is an inference framework hosted by LMSYS for serving large language, vision-language and diffusion models, from one accelerator to distributed clusters. It is Apache 2.0 licensed: install it with pip or Docker and query models through OpenAI-compatible endpoints.
How to get SGLang free
Free plans compared: vLLM, SGLang
vLLMDev Infrastructure & AI APIsTry
SGLangDev Infrastructure & AI APIsTry
Free plan
  • Free forever
  • Open source
  • Free forever
  • Open source (Apache 2.0): free to self-host on your own hardware
How long it's freeFree foreverFree forever
Commercial useNot in our dataAllowed on the free plan
Best forHost & deploy apps, Use LLM & AI model APIsML engineersHost & deploy apps, Use LLM & AI model APIsML engineers serving open models on their own GPUs, Teams running large-scale LLM inference, Researchers generating RL rollouts
Limitations
  • Needs your own GPU/accelerator hardware
  • You provide the GPUs or other hardware it runs on
  • Set up from the command line, with Docker or a Python environment
How to get it freeSelf-host
  1. 1Install vLLM with uv pip install vllm
  2. 2Run vllm download-kernels for precompiled kernels
  3. 3Follow the Quickstart guide
Get the free plan 		Self-host
  1. 1Pull the Docker image or install sglang with uv pip
  2. 2Launch the server pointing to your model
  3. 3Query it through the OpenAI-compatible API
Get the free plan
Free offer verified

vLLM vs SGLang: common questions

Is vLLM or SGLang free?
Both have a free option. vLLM has a free plan: Open source (checked 2026-10-25). SGLang has a free plan: Open source (Apache 2.0): free to self-host on your own hardware (checked 2026-10-24).
Which free plan includes more?
It depends on what you need; here is what each free plan includes. vLLM: Open source (source: github.com, checked 2026-10-25). SGLang: Open source (Apache 2.0): free to self-host on your own hardware (source: github.com, checked 2026-10-24).
How do I get each for free?
vLLM: Install vLLM with uv pip install vllm; Run vllm download-kernels for precompiled kernels; Follow the Quickstart guide (checked 2026-10-22). SGLang: Pull the Docker image or install sglang with uv pip; Launch the server pointing to your model; Query it through the OpenAI-compatible API (checked 2026-10-24).

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