vLLM vs SGLang vs TensorRT-LLM vs Ollama: Self-Hosted Serving 2026
A production-tested comparison of vLLM, SGLang, TensorRT-LLM, and Ollama for self-hosted LLM serving in 2026 — throughput, cold-start, cost math, and decision matrix from running a 4-product AI backend on a shared H100.