RadixArk Raises $100 Million in Seed Funding Led by Accel to Accelerate Growth of SGLang and Democratize AI Infrastructure.
Amount Raised
$100 Million
Round Type
Seed
BerkeleyInformation TechnologySoftwareArtificial IntelligenceMachine LearningInvestors
Description
RadixArk, focused on democratizing frontier AI infrastructure, has launched with $100 million in Seed funding. The round was led by Accel and co-led by Spark Capital, along with several other notable investors. This funding will be used to grow SGLang and develop large-scale AI applications. The company aims to enable shared, world-class AI systems for the next generation.
Quick answer
RadixArk raised $100 Million in a Seed round, dated May 5, 2026. Investors: WTT Investment, Igor Babuschkin, Salience Capital, A&E Investments, HOF Capital, Lip Bu Tan, John Schulman and Hock Tan. RadixArk is based in Berkeley, California, United States.
- How much did RadixArk raise?
- RadixArk raised $100 Million in a Seed round on May 5, 2026.
- Who invested in RadixArk?
- WTT Investment, Igor Babuschkin, Salience Capital, A&E Investments, HOF Capital, Lip Bu Tan, John Schulman and Hock Tan are named as investors in this round.
- What does RadixArk do?
- RadixArk is a commercial startup that originated from SGLang at UC Berkeley’s lab, focusing on AI inference optimization and cost efficiency.
- Where is RadixArk based and how big is it?
- RadixArk is based in Berkeley, California, United States. Fundz records about 27 employees.
- Who are the decision-makers at RadixArk?
- Fundz holds 2 contacts at RadixArk, including the Head of Product and Operations, Founding Team. Names and contact details are shown to Fundz members.
Source: Fundz verified event record.
Who else raised in Software and Artificial Intelligence around the same time
Companies in the same sectors as RadixArk that raised within 45 days of this round, from Fundz verified event records.
- BuyerBeats raised $2M (Seed) on June 19, 2026.
- Gradial raised $65M (Series C) on June 18, 2026.
- Comand AI raised $37M (Series A) on June 18, 2026.
- OneSoil raised $1.2M (Seed) on June 18, 2026.
- Architect Labs raised $24M (Seed) on June 18, 2026.
- SharonAI raised $1.6B (Post-IPO Equity) on June 17, 2026.
Who to call at RadixArk, and when
A new round usually means RadixArk is about to hire and buy. The teams that reach out first get the meeting.
- An alert the day RadixArk raises, hires an executive or expands, scored against what you sell
- The decision-makers there, with verified emails
- Who you already know at RadixArk, from your own LinkedIn network
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Related People
RadixArk raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.
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