Joe Fioti
FounderFounder / CEO at Luminal
San Francisco, California, United States
FoundedLuminal Β· YC
About
Joe Fioti previously worked at Intel on CPU microcode and ML accelerators. He is now building tools to automatically generate GPU kernels for machine learning models.
Joe Fioti @joefioti
Luminal can probably hit $1.75 / M output tokens on AMD MI355X and $2.92 / M output tokens on B300 in the next few months. We still have a lot of work to do and this is based on fairly involved napkin math and test compiles, but I feel confident we can get close. Crazy world https://t.co/JchkKIvUnD
Jul 31, 2026 Β· β₯ 184 Β· β 9
Joe Fioti @joefioti
The second the Kimi-style price floor licensing stops, weβre gonna see an absolute knife fight to the bottom on pricing. https://t.co/NB4C9SssjP

Jul 30, 2026 Β· β₯ 559 Β· β 10
Joe Fioti @joefioti
The token market is not going to converge on one universal price. A token is not a commodity. There is a huge difference between a token that has to arrive instantly in a voice agent or real-time workflow and a token generated cheaply in a batch overnight. There is also a huge https://t.co/z197h7lNny

Jul 28, 2026 Β· β₯ 29 Β· β 1
Founder / CEO at LuminalYC S25
Intro paths
Joe went through Y Combinator (Summer 2025) β any YC alum in your network can reach them through the YC community.
Their group partner at YC was Jared Friedman, General Partner at Y Combinator β the partner who ran Luminal's batch and knows the company first-hand. YC profile β
In turn, Joe can intro founders to Luminal's investors below.
Luminal's investors Β· 3
Co-founders at Luminal
Experience
- Luminal (YC S25)Co-Founder, CEOcurrent2025 β presentSan Francisco, California, United States
- Intel CorporationSoftware Engineer2022 β 2025Austin, Texas, United States
- Sidekick AIFounder2020 β 2024United States
- Lockheed MartinSoftware Engineer2021 β 2022
- Penn State UniversityAdjunct Lecturer2020 β 2022
Education
- Y CombinatorS252025
- Penn State UniversityComputer Science, Machine Learning2018 β 2022
- Dallas Senior High School2014 β 2018
Skills & more
From Joe's professional profile.
Same school
Also attended Y Combinator1,463
+ 1,457 more
Also attended Penn State University141
+ 135 more
Shared employers
Also worked at Luminal (YC S25)1
Also worked at Intel Corporation279
+ 273 more
Also worked at Lockheed Martin76
+ 70 more
Also worked at Penn State University21
+ 15 more









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