Rasyn
YC S26San Francisco, US · 1 known investors
Rasyn.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.
AI & Machine LearningBiotechDeep TechHealthtechSaaSAI-powered Drug DiscoveryDeep LearningUnited States of AmericaAmerica / Canada
Founders & leadership· Y Combinator alumni (S26)
AC
Ayush ChauhaninFounderFounder and CTO of Rasyn (S26), which builds Marigold, an AI research assistant that lets scientists ask research questions, run tools, and delegate tasks, returning outputs like structures, charts, code, and papers.
DH
Daood HashmiinFounderFounder of Rasyn, which builds Marigold, an AI research assistant for scientists. He is a researcher in the Arnold and Marcus Lab at Caltech developing diffusion models to predict organic reaction mechanisms and propose synthetic pathways, previously worked on DFT and molecular dynamics simulations in the Goddard Lab, and studied chemical engineering at Caltech.
Investors · 1
In the news
Frequently asked questions
- What does Rasyn do?
- Rasyn.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.
- Who founded Rasyn?
- Rasyn was founded by Ayush Chauhan, Daood Hashmi.
- Who are Rasyn's investors?
- Rasyn's investors include Y Combinator.
- Where is Rasyn headquartered?
- Rasyn is headquartered in San Francisco, US.

