SGLang ships day-zero MoE kernels faster than most teams pick a runtime
Apache-2.0 serving framework. v0.5.14 landed 26 June 2026 with DeepSeek-V4 and Waterfill/LPLB load balancing.
TLDR
SGLang is an open-source LLM and multimodal serving runtime from the sgl-project, hosted under LMSYS. Release v0.5.14 on 26 June 2026 added GLM-5.2, Kimi-K2.7-Code, Waterfill/LPLB MoE dispatch, and DeepSeek-V4 NVFP4 paths documented in release notes. LICENSE is Apache-2.0. GitHub star count at publication is UNKNOWN.