New Companies Poised to Revolutionize AI Inference

business #inference 📝 Blog|Analyzed: Jan 28, 2026 12:17•

Published: Jan 28, 2026 12:03

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1 min read

Analysis

The landscape of AI infrastructure is rapidly evolving, with two new companies emerging from UC Berkeley aiming to dominate the "Inference Stack." This signals a shift in focus from model training to efficient model serving, opening exciting new possibilities for enterprise applications. These developments mark a pivotal moment for the industry.

Key Takeaways

•vLLM and SGLang commercial offerings are becoming key players in AI inference for enterprises.
•Inferact secured a massive $150M seed round, valued at $800M.
•RadixArk, spun out from SGLang, achieved a $400M valuation.

Reference / Citation

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"Inferact, the commercial vehicle for the vLLM team, launched with a massive $150M seed round led by a16z and Lightspeed, valuing the project at $800M."

TheSequenceJan 28, 2026 12:03

* Cited for critical analysis under Article 32.

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