OpenLLM

Judgement

What it is

Developer tool

What it does

A CLI that runs open-source LLMs as OpenAI-compatible API endpoints with a chat UI, and packages them for Docker, Kubernetes or BentoCloud.

Adopt it when

You want a quick way to stand up an open model behind an OpenAI-style API.

Watch out

Pre-1.0, and the easiest cloud deployment route is BentoML's paid BentoCloud.

Ready for

Usable

Runs as

Command line and self-hosted server

Built with

Python, BentoML and vLLM

How established

Established: started 3 years ago, latest release v0.6.30.

What the license allows

You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-03 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Follow it down: OpenLLM → CPython → GCC → LLVM project → runs on a microchip

How compilers were built, back to punched paper tape

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