Every round on record, with the sources behind each and the investors on them.
A search compiler and inference cloud provider
luminal.comLinkedInSan Francisco, California, USAAI infrastructureYC S25Founded 20257 people
2 sources · checked 1 time, last 37d ago
Developing: it holds up against its sources so far, and firms up as more reporting lands.
The filing identifies an exempt offering but does not state a round label, amount, investors, valuation, or announcement date.
3 sources
Developing: it holds up against its sources so far, and firms up as more reporting lands.
The source names Paul Graham and Guillermo Rauch as angel investors in the round; no financing total, valuation, or headquarters is stated.
| Round | Amount | Announced | Lead | Buzz |
|---|---|---|---|---|
| Form D (equity) [ REPORTED LATER ]: This round was announced before Fireround first saw it. It stays in the company's history, not in Latest, Trending, or alerts. | $29.2M | 2026-09-22 | not stated | No recent discussion |
2 sources · checked 1 time, last 37d ago [ DEVELOPING ] Developing: it holds up against its sources so far, and firms up as more reporting lands. read against 1 of 2 sources
The filing identifies an exempt offering but does not state a round label, amount, investors, valuation, or announcement date. | ||||
Luminal builds a compiler and cloud that turns AI models into optimized code for GPUs and ASICs and runs their inference quickly for AI developers and companies.
LinkedIn via Alexandria from ycombinator.com
| Seed [ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $5.3M | 2025-11-17 | Felicis | No recent discussion |
3 sources [ DEVELOPING ] Developing: it holds up against its sources so far, and firms up as more reporting lands. read against 1 of 3 sources The source names Paul Graham and Guillermo Rauch as angel investors in the round; no financing total, valuation, or headquarters is stated. [ BUILT WITH ]·[ SEARCH ]found by Firecrawl search·[ SCRAPE ]3 pages read: blog.luminal.com, techcrunch.com, techbuzz.ai·[ JSON ]round read into a schema, with the sentence that states it·[ VERIFY ]confirmedchecked against 1 of 3 sources·[ BRANDING ]logo and colour from the homepage·[ ALEXANDRIA ]founders and batch from Y Combinator via Alexandria·[ AGENT ]company research by the Firecrawl agent | ||||
Luminal targets a costly software bottleneck: Felicis says many companies achieve only 10–20% GPU utilization, leaving billions of dollars in idle compute, while Luminal's compiler turns PyTorch models into optimized code and its cloud handles deployment. Its $5.3M seed round led by Felicis backs the bet that automatic kernel search and hardware-agnostic inference can make AI faster and cheaper across GPUs and ASICs, with early use powering research at Yale and workloads at VC-backed startups and research labs.