Fern (YC Winter 2026)

TL;DR: Fern is a Y Combinator Winter 2026 startup RL environments for robotics companies, currently active with a team of 2.

RL environments for robotics companies

YC ID
31152
YC Batch
Winter 2026
Status
Active
Team size
2
Industry
B2B, Infrastructure
Tags
Robotics, Infrastructure
YC profile
https://www.ycombinator.com/companies/fern-bot

Last verified:

Fern provides RL environments for robotics companies powered by a foundational world model. Companies can plug and play their robot policies completely in software with varying starting scenes of their production environment, and we'll produce RL heads on top of your existing policies to improve speed and success rate. Our customers get a continual learning flywheel where their production robots improve every week.

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Frequently asked questions

Is Fern a YC (Y Combinator) company?

Yes. Fern was funded by Y Combinator in the Winter 2026 batch. RL environments for robotics companies

What does Fern do?

Fern provides RL environments for robotics companies powered by a foundational world model. Companies can plug and play their robot policies completely in software with varying starting scenes of their production environment, and we'll produce RL heads on top of your existing policies to improve speed and success rate…

What YC batch was Fern in?

Fern was part of Y Combinator's Winter 2026 batch.

How big is Fern?

Fern has a team of 2 people according to Y Combinator's directory.

Is Fern still active?

Fern is currently listed as Active with a team of 2 in Y Combinator's directory.

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