10 Best vLLM Alternatives for LLM Inference in Production (2026)

The text outlines a detailed guide comparing vLLM, an inference engine for large language models, with various alternatives based on real-world deployment experiences. While acknowledging the innovative features of vLLM, such as PagedAttention, it highlights several limitations, including memory management issues, hardware support constraints, and operational complexities. The guide evaluates 15 alternatives to vLLM, such as SGLang, TensorRT-LLM, TGI, llama.cpp, and more, each offering unique advantages like better performance, support for specific hardware, or ease of deployment. The strengths and weaknesses of each alternative are discussed, with considerations for specific scenarios such as running on consumer hardware, mobile devices, or enterprise environments. The guide also covers recent industry updates, performance metrics, and offers advice on choosing the right tool based on specific needs, including production simplicity, maximum throughput, or compatibility with specific hardware.