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Luminal

Luminal

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

Last Round

Seed

Nov 17, 2025

Total Funding Raised

$5.8M

Company Overview

Luminal is an artificial intelligence infrastructure company that provides a machine learning compiler and serverless cloud platform to optimize the performance and deployment of AI models on GPUs.

Sector

AI, Data & Cloud Infrastructure

Verticals

ML Platforms, Cloud Infrastructure, Serverless Computing, NLP & Conversational AI

Business Model

B2B

Customer Profile

Usage-Based SaaS, Services & Consulting

AI Layer

Infrastructure

Keywords

ml inferenceinference optimizationai infrastructuregpu optimizationai infraserverless inferencemodel accelerationai compilerllm optimizationgpu kernelgpu cost reductionasic optimizationllm opsusage-based billinginference engine

Historical Pricing

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Caplight Momentum Score

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Luminal Comparables

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Luminal comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Inferact Inc.
81%
Qualcomm
79%
Red Hat
75%

Luminal Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
SeedNov 17, 2025
AcceleratorSep 1, 2025

Key People

Founding team and executive leadership

Matthew Gunton

Co-Founder CTO

Founding Team

Joe Fioti

Co-Founder, CEO

Founding Team

Luminal Investors

Notable investors and investment history

Luminal investors
InvestorRounds
Magnetic VenturesAccelerator
Gradient VenturesAccelerator
Pelion Venture PartnersAccelerator
Album VCAccelerator
Crosslink CapitalAccelerator
Innovation EndeavorsAccelerator
Craft VenturesAccelerator

Market signals

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  • Apr 25, 2026

    Grew 38% QoQ, from 8 to 11 employees.

Luminal Filings

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Luminal filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

Common questions about Luminal's valuation, stock price, and market status.

Is Luminal a public or private company?

Luminal is a private company.

What is the current stock price of Luminal?

Luminal is a private company with no public stock price. No recent secondary market data is available.

How much is Luminal worth (valuation)?

Valuation information for Luminal is not publicly available.

Can I buy Luminal stock?

Luminal shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was Luminal's last funding round?

Luminal's most recent funding round was Seed on November 17, 2025.

Who are the main investors in Luminal?

Key investors in Luminal include Y Combinator.

Will Luminal IPO soon?

No public IPO plans have been announced for Luminal.

How can I track Luminal secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Luminal's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersSan Francisco, California
Employee Range12
Year Founded2025
Last FundingNov 17, 2025

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