vLLM vs SGLang vs LMDeploy: Fastest LLM Inference Engine in 2026?

SGLang and LMDeploy are the fastest LLM inference engines in 2026, both delivering approximately 16,200 tokens per second on H100 GPUs. vLLM follows at around 12,500 tokens per second, a 29% gap. The best engine depends on your workload: SGLang excels at multi-turn conversations, LMDeploy dominates