Vals AI raised $40 million in a Series A round at a $400 million valuation. Revenue has grown eightfold since 2025, with both the customer base and the team expanding rapidly. Founders Rayan Krishnan and Langston Nashold are building AI’s independent scorekeeper. Every frontier model now claims to be the smartest. Vals AI is betting that nobody can prove it, and that someone independent needs to. The San Francisco startup has closed a $40 million Series A at a $400 million valuation, led by Andr...