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Backed by Lightspeed Venture Partners, Khosla Ventures +6 more · verified emails and LinkedIn on Datapile
Arena Raises $200 Million Series B At $3.1 Billion Valuation To Evaluate Frontier AI Models And Agents - Pulse 2.0
Arena is an AI evaluation platform that measures frontier AI models and agents for real-world alignment with human intent. They have raised $200 million in Series B funding at a $3.1 billion valuation to advance their mission. The company also launched the Arena Alignment Index to measure how AI deviates from human values.
Arena Raises $200 Million Series B At $3.1 Billion Valuation To Evaluate Frontier AI Models And Agents Pulse 2.0
| Oct 08, 2026 | Natron Energy | $10.2M | — | United States |
| Oct 08, 2026 | Hone | $60.0M | Seed | United States |
| Oct 08, 2026 | Quaise Energy | $25.0M | Grant | United States |
| Oct 08, 2026 | Fortastra | $30.0M | — | United States |
You just read who funded Arena. The same database has the investors behind every other round — with verified emails, check sizes and the stages they actually write at.
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