SGLang

Private

San Francisco, CaliforniaAI, Data & Cloud Infrastructurehttps://www.radixark.com/

Last Round

Seed

May 5, 2026

Est. Valuation

$400M

Total Funding Raised

$100M

Company Overview

RadixArk is an infrastructure-first, deep-tech company that develops large-scale inference and training systems for AI, including the open-source SGLang engine.

Sector

AI, Data & Cloud Infrastructure

Verticals

ML Platforms, NLP & Conversational AI, Cloud Infrastructure

Business Model

B2B

Customer Profile

Services & Consulting

AI Layer

Infrastructure

Keywords

LLM inferenceinference engineLLM servingstructured outputvLLM alternativeRadixAttentioncontinuous batchingagentic workflowsspeculative decodingKV cacheLLM frameworkmodel servingPython DSLAI infrastructureLLM optimization

Historical Pricing

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SGLang Comps

Public and private peers based on sector, stage, and business model.

SGLang comps — public and private peers by sector, stage, and business model
Company	Status	Est. Valuation	Rev Multiple
OpenAI	Private	$86.0B	~40x
Cohere	Private	$5.0B	--
Competitor 1	Public	$XX.XB	XXx
Competitor 2	Public	$XX.XB	XXx

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SGLang Funding Rounds

Historical fundraising activity

Data table
Round	Date	Amount Raised	Valuation	Investors	Sources
Seed	May 5, 2026
Grant	Jun 26, 2025

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SGLang Investors

Notable investors and investment history

SGLang investors
Investor	Rounds
Andreessen Horowitz	Grant
A&E Investments	Seed
Walden Catalyst	Seed
LDV Partners	Seed
NVentures	Seed
Spark Capital	Seed
HOF Capital	Seed

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SGLang Filings

SEC and related filings with document metadata.

Data table
Typed	Date	Amount Offered	Amount Sold	Filling	Pages	Download
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SGLang Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

HeadquartersSan Francisco, California

Year Founded2025

Last FundingMay 5, 2026

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