Goodfire: $150 Million Series B At $1.25 Billion Valuation Raised For Interpretability AI Lab
By Amit Chowdhry ● Feb 5, 2026
Goodfire, an AI research lab focused on interpretability for understanding and designing neural networks, has raised a $150 million Series B round at a $1.25 billion valuation, according to the company. The financing was led by B Capital, with participation from existing investors Juniper Ventures, Menlo Ventures, Lightspeed Venture Partners, South Park Commons, and Wing Venture Capital, as well as new investors including DFJ Growth, Salesforce Ventures, and Eric Schmidt.