Goodfire Raises $150M Series B at $1.25B Valuation for AI Interpretability Tools

Summary

Goodfire, an AI interpretability startup, raised $150 million in Series B funding at a $1.25 billion post-money valuation. The round was led by B Capital with participation from DFJ Growth, Salesforce Ventures, and individual investor Eric Schmidt. The company's core technology enables understanding how AI models work internally — moving beyond "black box" treatment to design AI like written software. ### Key Achievements - **Hallucination reduction:** Cut LLM hallucinations by nearly 50% thro