Arena raised $200M (Series B)
AI evaluation platform and leaderboard for real-world model and agent capabilities.
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- Raised
- $200M
- Round
- Series B
- Announced
- 5 weeks ago
- Location
- San Francisco, CA
- Industry
- AI/Dev tools
Marketing gap:hidden, see with Pro
Signals
- Raised $200MAnnounced Oct 9, 2026, 5 weeks ago
- Series B round
- Hiring now: 19 open jobs, includingMember of Marketing Staff - Growth ↗From their public job board, checked Oct 21, 2026. See all jobs ↗
- Based in San Francisco, CARegion: US
- Reported by FinSMEsAdded to the board Oct 20, 2026. Read the announcement ↗
Investors
- Lightspeed Venture PartnersLead
- Khosla VenturesLead
- Salesforce Ventures
- 01 Advisors
- Dell Technologies Capital
- Endeavor Catalyst
- Felicis
- AMP PBC
- QuantumLight
- The House Fund
Also backed by Lightspeed Venture Partners: Index Industries, Casap, Different and 4 more
Also backed by Khosla Ventures: Coframe, Broccoli, Foundry Robotics and 6 more
Also backed by Dell Technologies Capital: Hyperbolic, Mave, Ascerta (formerly Pay-i)
Also backed by Endeavor Catalyst: General Compute, Electric Plant Company
From the announcement.
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