Best Open-Source LLM Inference Servers 2026
A benchmark-driven comparison of the top open-source LLM inference servers - vLLM, SGLang, TGI, llama.cpp, TensorRT-LLM, LMDeploy, and more.
Vllm
llm-d Joins CNCF - Kubernetes Gets a Native LLM Inference Stack
IBM Research, Red Hat, and Google Cloud donated llm-d to the CNCF at KubeCon EU, giving Kubernetes a production-grade distributed LLM inference framework built on vLLM.
GPT-4 to Self-Hosted Llama 4 Migration Guide
Switch from OpenAI's GPT-4 API to self-hosted Llama 4 with near-zero code changes, but plan carefully for hardware, EU licensing, and real context window limits.
IBM Granite 4.0 1B Speech Tops OpenASR Leaderboard
IBM's new 1B-parameter speech model claims the top spot on the Open ASR Leaderboard while running on consumer hardware, beating Whisper Large V3 by 25% on word error rate.
vLLM 0.17 Ships FlashAttention 4 and Live MoE Scaling
vLLM v0.17.0 adds FlashAttention 4, elastic expert parallelism for live MoE rescaling, full Qwen3.5 support, and a performance-mode flag, all in 699 commits from 272 contributors.
Qwen 3.5 FP8 Weights Drop - How to Actually Deploy a 397B Model on 8 GPUs
Alibaba releases official FP8-quantized weights for the Qwen 3.5 flagship and 27B dense model, cutting memory requirements roughly in half and enabling deployment on 8x H100 GPUs with native vLLM and SGLang support.
