# Goodfire AI

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/goodfire-ai

- Industry: Software
- Headquarters: San Francisco, US
- Website: www.goodfire.ai/
- Total disclosed funding: $207M
- Latest round: Series B (Dec 17, 2025)
- Investors on record: 14

## About

Based in California, US, and founded in 2024 by CEO Eric Ho, CTO Dan Balsam, and Tom McGrath, Goodfire AI, Inc. operates as a public benefit corporation dedicated to advancing the understanding and safety of artificial intelligence. Goodfire AI focuses on AI interpretability, which involves examining and understanding the inner workings of advanced AI models. In December 2025, Goodfire AI, Inc. raised USD 150 million in series B funding led by B Capital, with participation from Juniper Ventures, Lightspeed Venture Partners, Menlo Ventures, South Park Commons and Wing, DFJ Growth and Salesforce Ventures. Goodfire AI provides tools for understanding, editing, and debugging advanced AI models. The company’s platform focuses on AI interpretability, allowing developers to examine the internal mechanisms of AI systems. The platform supports the creation of safer and more reliable generative AI models, enabling users to gain insights into AI behavior, identify issues, and make necessary adjustments to improve model performance. The company plans to use the April 2025 funding to expand its mechanistic interpretability research and develop its Ember platform in collaboration with AI model developers. In December 2025, Goodfire AI, Inc. raised USD 150 million in series B funding led by B Capital, with participation from DFJ Growth,  Juniper Ventures, Hillspire, Lightspeed Venture Partners, Menlo Ventures, South Park Commons, Wings Capital Ventures, and Salesforce Ventures. The company plans to use the December 2025 funding to advance interpretability research, build its model design platform, and scale partnerships across artificial intelligence agents and life sciences.

## Funding rounds

- Series B, Dec 17, 2025, $150M — Lightspeed Venture Partners, Menlo Ventures, Wing, DFJ Growth, Salesforce Ventures, B Capital, South Park Commons, Juniper Ventures
- Series A, Apr 17, 2025, $50M — Lightspeed Venture Partners, Menlo Ventures, Wing, Work-Bench, B Capital, South Park Commons, Halcyon, Metaplanet Holdings, Anthropic PBC
- Seed, Aug 15, 2024, $7M — Lightspeed Venture Partners, Menlo Ventures, Juniper Ventures, Work-Bench, South Park Commons, Mythos Ventures, Bluebirds Capital

## Investors

- Lightspeed Venture Partners (https://capitalatlas.ai/funds/lightspeed-venture-partners) — Seed, Series A, Series B
- Menlo Ventures (https://capitalatlas.ai/funds/menlo-ventures) — Seed, Series A, Series B
- Juniper Ventures — Seed, Series B
- Work-Bench — Seed, Series A
- South Park Commons (https://capitalatlas.ai/funds/south-park-commons) — Seed, Series A, Series B
- Mythos Ventures (https://capitalatlas.ai/funds/mythos-ventures) — Seed
- Bluebirds Capital — Seed
- Wing (https://capitalatlas.ai/funds/wing) — Series A, Series B
- B Capital (https://capitalatlas.ai/funds/b-capital) — Series A, Series B
- Halcyon — Series A
- Metaplanet Holdings (https://capitalatlas.ai/funds/metaplanet-holdings) — Series A
- Anthropic PBC — Series A
- DFJ Growth (https://capitalatlas.ai/funds/dfj-growth) — Series B
- Salesforce Ventures (https://capitalatlas.ai/funds/salesforce-ventures) — Series B