vLLM or llama.cpp: Choosing the right LLM inference engine for your use case

217 · Red Hat · Sept. 30, 2025, 7:12 a.m.
Summary
This blog post compares the vLLM and llama.cpp inference engines for large language models (LLMs) focusing on their strengths, benchmarking results, and appropriate use cases. vLLM excels in high scalability and responsiveness under heavy load, while llama.cpp is suited for low-concurrency tasks and offers portability. The comparison aims to guide developers in choosing the most suitable tool based on their application needs, particularly in enterprise scenarios.