# Unreasonable Labs funding: rounds and investors

> Unreasonable Labs has raised $14M across 1 round since 2026. Investors include Playground Global, The E14 Fund and AIX Ventures. Every round with its source.

Source: https://millionrounds.com/company/unreasonable-labs (Millionrounds; every figure on the page links to its filing or article)

United States · [Seed startup](https://millionrounds.com/companies)

# Who invested in *Unreasonable Labs*

One round we have observed, with the 4 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

AI

Raised 8 months ago

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Funding summary Updated 5 Nov 2026

**$14M** raised across 1 round since 2026, from 2 sources

- **Latest round:** Seed, $14M Mar 2026
- **Led by:** Playground Global
- **Investors:** 4 (1 led)

See who backed them

## The rounds

- **Mar 2026** Seed **$14M** [Playground Global](https://millionrounds.com/fund/playground-global) Lead [The E14 Fund](https://millionrounds.com/fund/e14-fund) [AIX Ventures](https://millionrounds.com/fund/aix-ventures) [MS&AD Ventures](https://millionrounds.com/fund/ms-and-ad-ventures) Reported by Ventureburn and 1 other

## Founders and team

From Unreasonable Labs's own website: 2 founders, 3 on the team.

**Yuan Cao** Co-Founder and CEO

**Markus J. Buehler** Co-Founder & CTO

- **Andrew J. Lew** Research Director, AI for Science
- **Jennifer Kang** Product Manager
- **Matt Insler** Product Engineering Lead

## Everyone who backed them

[Playground Global](https://millionrounds.com/fund/playground-global) VC firm **1** round, led 1

[The E14 Fund](https://millionrounds.com/fund/e14-fund) VC firm **1** round

[AIX Ventures](https://millionrounds.com/fund/aix-ventures) VC firm **1** round

[MS&AD Ventures](https://millionrounds.com/fund/ms-and-ad-ventures) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=unreasonable-labs).

## Quick answers about Unreasonable Labs

### Who invested in Unreasonable Labs?

Unreasonable Labs's investors include Playground Global, The E14 Fund, AIX Ventures and MS&AD Ventures. Playground Global led its latest round.

### How much has Unreasonable Labs raised?

Unreasonable Labs has raised $14M across 1 round since 2026.

### When did Unreasonable Labs last raise?

Unreasonable Labs's most recent round was a Seed of $14M in Mar 2026, led by Playground Global.

### What was Unreasonable Labs's biggest round?

Its most recent round, $14M in Mar 2026, is also its largest on record.

### Who backed Unreasonable Labs first?

Unreasonable Labs's first round on record, in Mar 2026, was backed by Playground Global, The E14 Fund and AIX Ventures and 1 others.

### What stage is Unreasonable Labs at?

Unreasonable Labs's latest named round is a Seed, in Mar 2026.

### Where is Unreasonable Labs based?

Unreasonable Labs is based in the United States.

### Who led Unreasonable Labs's rounds?

Playground Global led the Seed in 2026.

## Companies like Unreasonable Labs

In the same sector, and raised in the last eighteen months.

[**Journify** $12M · Nov 2026](https://millionrounds.com/company/journify)[**Nooks** $543M · Nov 2026](https://millionrounds.com/company/nooks)[**Laza Medical** $160M · Nov 2026](https://millionrounds.com/company/laza-medical)[**e2e** $8.0M · Nov 2026](https://millionrounds.com/company/e2e)[**Agrani Labs** $123M · Nov 2026](https://millionrounds.com/company/agrani-labs)[**Applied Compute** $580M · Nov 2026](https://millionrounds.com/company/applied-compute)

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