Fundraising Fox
/Companies
Sign in

Petrichor

YC F26

San Francisco, US · Founded 2026 · 3 employees · 1 known investors

Find your way into Petrichor

Sign up to see every warm intro you have to Petrichor

  • Paths you didn't know you had: your email and LinkedIn already hold routes to the Petrichor team. We find them for you
  • 2nd- and 3rd-degree connections: the friend-of-a-friend routes that take hours to manually find through your inbox or LinkedIn
  • Answers now, not in days: momentum is everything in a raise. Skip asking around whether someone knows someone

Days of research, done the moment you sign in, with every route ranked by how warm it is.

Sign up with GoogleAlready have an account? Log in

A research lab building AI models trained to decode physical-world signals from instruments and to operate those instruments, using real-world measurement as the training signal rather than text corpora. It positions itself in machine learning and deeptech applied to physical sensing.

Also known as Petrichor Bio · Qokedas

AI & Machine LearningDeep TechEnterprise SoftwareHardwareDeep LearningAIUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (F26)

Petrichor was founded in 2026 by Wilhelm Hedenskog, Jesper Johansson, and Elias Reinfeldt.

WHWilhelm Hedenskog
Wilhelm HedenskogFounderFounder and CEO of Qokedas, a research lab building AI models that decode signals from physical instruments and operate them, training on real-world measurement rather than text. He previously participated in the YC Fellows program.
JJJesper Johansson
Jesper JohanssonCo-FounderCo-founder of Qokedas, a research lab developing AI models that decode signals from physical instruments and operate them, using real-world measurement rather than text as the training signal.
ERElias Reinfeldt
Elias ReinfeldtCo-founderCo-founder of Qokedas, a research lab developing AI models that decode signals from physical instruments and operate those instruments, using real-world measurement as the training signal.

Investors · 1

Related companies · 5

RasynRasyn.ai offers Marigold, an AI research assistant that lets scientists ask research questions, run tools, or delegate entire tasks, returning results such as structures, charts, code, and papers in panels. It provides 54 runnable tools, 40 executing on connected hardware and 14 on hosted endpoints.
NdeaNDEA develops artificial general intelligence technology and benchmarks. The company is founded by the creator of Keras and a co-founder of Zapier.
VathysVathys worked on accelerating machine learning and deep learning through software, after initially building machine learning hardware intended to be faster than ASICs. The company operated in the AI/ML infrastructure space.
MashginMashgin develops automated checkout kiosks using computer vision and machine learning to instantly identify items without scanning or barcodes, serving retailers in stadiums, hospitality, hospitals, and foodservice venues.
TracesTraces offers AI video analytics that process large volumes of video streams to detect and track people without using facial recognition. Its technology is available via an API and supports use cases such as unique people counting, forensic people search, and false alarm filtering.

Companies working in the same space as Petrichor.

Legal entities · 1

corporate structure
Qokedas, Inc.

Frequently asked questions

What does Petrichor do?
A research lab building AI models trained to decode physical-world signals from instruments and to operate those instruments, using real-world measurement as the training signal rather than text corpora. It positions itself in machine learning and deeptech applied to physical sensing.
Who founded Petrichor?
Petrichor was founded by Wilhelm Hedenskog, Jesper Johansson, Elias Reinfeldt in 2026.
Who are Petrichor's investors?
Petrichor's investors include Y Combinator.
Where is Petrichor headquartered?
Petrichor is headquartered in San Francisco, US.