Arena
Arena evaluates AI models through comparisons and observations of how people use them in real tasks.
$200MSeries B
ParticipantTH
The House Fund
Activity from announced rounds
Activity in this selectionOct 16, 2026 · Sep 17, 2026
- Rounds participated in
- 2
- Confirmed lead rounds
- 0 All roles disclosed
- New companies
- 1 First participation on record · 1 follow-on
- Funding in participating rounds
- $218.5M 2 disclosed · full round size, not this investor’s share