TL;DR: The closest YC-backed alternatives to <strong>Rigetti Computing</strong> are other Y Combinator Industrials companies, especially from the Summer 2014 batch. Below are 20 ranked competitors with batch, status, and team size.
Y Combinator-backed Industrials companies similar to Rigetti Computing (YC Summer 2014).
Last verified:
OkloYC Summer 2014 · Public · 50 people— Emission free, always on power from advanced fission power plants.
TuleYC Summer 2014 · Acquired · 8 people— Help farmers make irrigation decisions with sensors / computer vision
Helion EnergyYC Summer 2014 · Active · 150 people— Building the world's first fusion power plant
AlchemyYC Summer 2014 · Active · 25 people— Nanotechnology-enabled coatings for automotive and defence sectors