vLLM

PagedAttention memory management for high-throughput multi-request GPU serving

What vLLM does

  • PagedAttention memory management for high-throughput multi-request GPU serving
  • Supports 200+ model architectures with an OpenAI-compatible API server
  • Originated at UC Berkeley Sky Computing Lab, now the de facto standard for self-hosted production LLM serving

vLLM — straight answers

What is vLLM?

vLLM is listed under Local LLM Runners, in the AI Models & Local Execution category on Flocci AI Tools. PagedAttention memory management for high-throughput multi-request GPU serving. It is free, with no paid plan attached, and it lives at github.com.

Is vLLM free?

vLLM is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 396 entries on Flocci AI Tools with no upgrade path built in.

Can I use vLLM in a browser, or is there an app?

vLLM needs to be installed or self-hosted — it doesn't run in a browser tab. It is available on the command line, self-hosting, an API and Linux.

What can vLLM do?

vLLM does 3 things the catalog singles out: Pagedattention memory management for high-throughput multi-request gpu serving; supports 200+ model architectures with an openai-compatible api server; originated at uc berkeley sky computing lab, now the de facto standard for self-hosted production llm serving.

What is the best free alternative to vLLM?

AnythingLLM is the closest free alternative: it sits in the same Local LLM Runners sub-category and is free. BitNet, exo and Google AI Edge Gallery also start free. The full list is on the alternatives page.

See the full list →

Ollama

Local LLM Runners
free
  • The default way to run LLMs locally
  • One command to run Llama, Qwen, DeepSeek…
  • OpenAI-compatible local API
  • Free and open-source

LM Studio

Local LLM Runners
free
  • Polished desktop GUI for local models
  • Discover, download and chat with GGUF models
  • Local server with OpenAI-compatible API
  • Free for personal use

Jan

Local LLM Runners
free
  • Open-source, offline ChatGPT alternative
  • No-config, privacy-first GUI
  • Runs fully on your device
  • Free forever

GPT4All

Local LLM Runners
free
  • Private local chat with your documents
  • Runs on modest laptops
  • LocalDocs RAG built in
  • Free and open-source

Open WebUI

Local LLM Runners
free
  • Self-hosted ChatGPT-style interface
  • Works with Ollama and OpenAI-compatible APIs
  • RAG, tools and multi-user
  • Free and open-source

AnythingLLM

Local LLM Runners
free
  • All-in-one local RAG and agents app
  • Chat with your docs privately
  • Works with local or cloud models
  • Free and open-source

Head-to-head comparisons