United States · 
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.
United States · Seed startup
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.
Raised 8 months ago
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Funding summaryUpdated 5 Nov 2026
$14Mraised across 1 round since 2026, from 2 sources
- Latest round
- Seed, $14MMar 2026
- Led by
- Playground Global
- Investors
- 4 (1 led)
The rounds
- Mar 2026Seed$14M
Reported by Ventureburn and 1 other
Founders and team
From Unreasonable Labs's own website: 2 founders, 3 on the team.
Yuan CaoCo-Founder and CEO
Markus J. BuehlerCo-Founder & CTO
- Andrew J. LewResearch Director, AI for Science
- Jennifer KangProduct Manager
- Matt InslerProduct Engineering Lead
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Unreasonable Labs
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.
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