Luminal

The fastest and cheapest inference in the world. YC S25. We're hiring.

AI infrastructure and compute HR and recruitingY Combinator

Latest funding

$5.3M Seed · November 18, 2025

Source: techcrunch.com

Funding history ↓

Website: luminal.com.

X: @luminal_ai · 1,330 followers.

LinkedIn: linkedin.com.

Categories: AI infrastructure and compute HR and recruiting.

Sectors: AI.

Subcategory: high-speed inference optimization.

Stage: Seed.

Based in: San Francisco, United States.

Last round: Nov 18, 2025 · 359 days ago.

Team: 7 people on the team page.

On Recent Funding since: Sep 22, 2026.

Signals

X account@luminal_ai · created May 30, 2023 (3 years old) · 1,330 followers

Website registeredJun 23, 2011 (15 years old)

Funding rounds

November 18, 2025
Seed · $5.3M
BBen Porterfield, FFelicis, GGuillermo Rauch, LLiquid 2 Ventures, PPalm Drive Capital, PPaul Graham, SSaga Ventures, YY Combinator
Source: techcrunch.com
May 30, 2023
X account created
June 23, 2011
Website created

Founders and team

JF
Joe Fioti Co-Founder, CEO

LinkedIn · source: foundertrace.com
MG
Matthew Gunton Co-Founder & CTO

LinkedIn · source: foundertrace.com
JS
Jake Stevens Co-Founder

LinkedIn · source: foundertrace.com

Investors

Companies like Luminal

TTrustAI
TTaalas$169M Series B+ · Feb 2026
ZZro
CCorbenic AIPre Seed · Oct 2026
OOne TrianglePre Seed · Sep 2026
KKandou$225M Series A · Mar 2026

Sources and API

Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/luminal (get a free API key).