Glossary
LM Studio
A desktop application for running open-weight models locally with a GUI, model browser, and OpenAI-compatible local server, targeting users who prefer apps over command-line tools.
A desktop application that wraps llama.cpp and the GGUFweightsA binary container format for quantized model weights used by llama.cpp and its ecosystem; the dominant on-device LLM file format since 2023.
Open full entry model
ecosystem in a polished GUI. The flow is: browse a catalog of community
quantizations on Hugging FacetrainingThe model hub, dataset hub, and open-source library suite (Transformers, Datasets, Tokenizers, Accelerate, PEFT, TRL) that anchors the open-AI ecosystem's distribution and tooling layer.
Open full entry , download with one click, chat with the
model or expose it as a local OpenAI-compatible API endpoint.
LM Studio targets the same audience as OllamaruntimeA local inference runtime that wraps llama.cpp with a Docker-style developer experience, the easiest path to running open-weight models on a personal machine. Open full entry (developers and power-users running local models) with a different posture: GUI-first rather than CLI-first, single-app rather than service-style. The runtime under the hood is llama.cppruntimeGeorgi Gerganov's C++ inference engine optimized for CPUs and consumer GPUs, the on-device standard and the engine behind Ollama, LM Studio, and most local-first AI products. Open full entry in both cases; the differentiation is in the surrounding workflow.
Proprietary application; the underlying LlamaweightsMeta's open-weight model family, the most widely deployed open release through 2024 to 2026, released under the source-available Community License with an MAU cap and acceptable-use clause. Open full entry .cpp runtime it wraps is MIT-licensed.