  Using the full potential of LLMs in higher education is hindered by
challenges with access to LLMs. The two main access modes currently discussed
are paying for a cloud-based LLM or providing a locally maintained open LLM. In
this paper, we describe the current state of establishing an open LLM
infrastructure at FernUniversit\"at in Hagen under the project name FLEXI
(FernUni LLM Experimental Infrastructure). FLEXI enables experimentation within
teaching and research with the goal of generating strongly needed evidence in
favor (or against) the use of locally maintained open LLMs in higher education.
The paper will provide some practical guidance for everyone trying to decide
whether to run their own LLM server.
