The deciding difference is operational: vLLM can run on infrastructure you control, Groq cannot. If that constraint is real for you, it settles the choice before anything else is considered.
Open-weight models at very low latency.
High-throughput open-weight serving on your own GPUs.
| Groq | vLLM | |
|---|---|---|
| Licence | Proprietary | Open source |
| Pricing | freemium | open source |
| Self-hostable | No | Yes |
| Languages | TypeScript, Python | Python |
| Install | — | pip install vllm |
| Keys required | GROQ_API_KEY | None |
The deciding difference is operational: vLLM can run on infrastructure you control, Groq cannot. If that constraint is real for you, it settles the choice before anything else is considered. Groq: Open-weight models at very low latency. vLLM: High-throughput open-weight serving on your own GPUs.
Groq is a hosted service only. vLLM can run on your own infrastructure.
Groq is proprietary (freemium). vLLM is open source (open source).
Every page here answers to Accept: text/markdown and returns the same content at roughly a tenth the tokens. No separate site, no toggle — same URL.
curl -s -H "Accept: text/markdown" https://newagent.build/compare/groq-vs-vllm