Banghua ZhuCo-founder and CTO · RadixArkResearcher↗
Researcher · Engineer · Founder
RadixArkCo-founder and CEO
Sheng co-created SGLang, an open-source engine that makes large language models faster and cheaper to serve by coordinating requests, memory and structured generation.[1] She later co-founded RadixArk to turn that project into broader infrastructure for inference, training and reinforcement-learning post-training.
Presented Chatbot Arena, comparing language models through people's votes on anonymous answers.
Sheng coauthored SGLang, which co-designs language primitives and runtime optimizations including prefix-memory reuse and efficient structured generation.
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Reviewed August 10, 2026 · Checked for accuracy and new information.