vLLM beats HuggingFace TGI on serving throughput by 3.67x at 100 concurrent requests on a LLaMA-2-7B model, and the gap stretches to 24x under extreme load, according to a November 2025 arXiv study that benchmarked both frameworks on LLaMA-2 models of 7B, 13B, and 70B parameters. TGI still returns the …