SGLang spins out as RadixArk at a $400 million valuation

SGLang, which started as an open-source project at UC Berkeley, has spun out as RadixArk with backing from Accel, landing a $400 million valuation. The move comes as the inference market grows explosively.

AI-processed from TechCrunch; edited by Hamidun News
SGLang spins out as RadixArk at a $400 million valuation
Source: TechCrunch. Collage: Hamidun News.
Listen to article

SGLang, an open-source project originally built in Professor Ion Stoica's research lab at the University of California, Berkeley, has become a standalone company called RadixArk, valued at $400 million. The company raised capital from venture firm Accel, TechCrunch reported.

What is SGLang

SGLang is an open-source project for building and deploying machine learning applications. It helps manage inference, the stage where a trained model generates predictions on new data.

Framework and platform support

SGLang works with multiple machine learning frameworks, including TensorFlow and PyTorch. It can also adapt inference to different hardware platforms: CPUs, GPUs, and specialized AI accelerators.

Funding and valuation

RadixArk, the company that grew out of SGLang, raised capital from venture firm Accel. The company is valued at $400 million.

Where did SGLang start?

SGLang began as an open-source research project in Professor Ion Stoica's lab at the University of California, Berkeley.

What has SGLang become?

SGLang has become RadixArk, a standalone company valued at $400 million.

Who invested in RadixArk?

Venture firm Accel invested in RadixArk.

Key Questions Answered

Where did SGLang start?

SGLang began as an open-source research project in Professor Ion Stoica's lab at the University of California, Berkeley.

What has SGLang become?

SGLang has become RadixArk, a standalone company valued at $400 million.

What is SGLang?

SGLang is an open-source project for building and deploying machine learning applications. It helps manage inference, the stage where a trained model generates predictions on new data.

ZK
Zhemal Khamidun — CPO at Alpina Digital, product manager of AlpinaGPT. Building AI products since 2019. Hamidun News is a pet project that grew into a production aggregator with 6,000+ readers.
✦ Unified AI Workspace · Nomad

Test Frontier LLMs & Autonomous Agents in One Workspace

Run Claude Opus 5.5, GPT-6, Gemini 3.1, and DeepSeek side-by-side in Nomad AI (nomadnet.ai) — unified model routing, deep research, and multimodal workflows under one subscription.

Try Nomad AI →Launch Nomad Agent
What do you think?
Loading comments…