Goodfire
PrivateLast Round
Series B
Feb 5, 2026
Est. Valuation
$1.25B
Total Funding Raised
$207M
Momentum
Top 10%
of companies Caplight tracks
Company Overview
Goodfire is an artificial intelligence company that develops interpretability tooling systems to help researchers and developers understand, monitor, and steer the internal behavior of generative AI models.
Sector
AI, Data & Cloud Infrastructure
Verticals
ML Platforms, Medical AI, Drug Discovery
Business Model
B2B
Customer Profile
Usage-Based SaaS, Services & Consulting
AI Layer
Infrastructure
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Goodfire Comparables
Compare Goodfire with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Patronus AI | 73% | |
| Wisent AI | 73% | |
| Neuronpedia | 71% |
Goodfire Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Feb 5, 2026 | ||||
| Series A | Apr 17, 2025 | ||||
| Seed | Aug 15, 2024 |
Key People
Founding team and executive leadership
Goodfire Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Work-Bench | Seed, Series A |
| Mythos Ventures | Seed |
| South Park Commons | Seed, Series A, Series B |
| B Capital Group | Series A, Series B |
| Salesforce Ventures | Series B |
| DFJ Growth | Series B |
| Juniper Ventures | Seed, Series B |
Market signals
Structured signals derived from secondary market and firmographic data.
- Sep 3, 2026
Grew 30% QoQ, from 53 to 69 employees.
- Jun 25, 2026
Grew 20% quarter-over-quarter, from 51 to 61 employees.
Recent news
Latest coverage and updates
- launchesSep 19, 2026
Goodfire launches products which reportedly use AI to monitor AI models for nefarious activity.
- is_developingSep 17, 2026
Goodfire is developing tools to detect unwanted behavior in AI models.
- is_developingSep 17, 2026
Goodfire is developing standardized methods for training and monitoring open-weight AI models on Sep 17th '26.
Goodfire Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
Request accessFrequently Asked Questions
Common questions about Goodfire's valuation, stock price, and market status.
Is Goodfire a public or private company?
Goodfire is a private company.
What is the current stock price of Goodfire?
Goodfire is a private company with no public stock price. No recent secondary market data is available.
How much is Goodfire worth (valuation)?
Goodfire's valuation is estimated at $1.3B based on funding round data.
Can I buy Goodfire stock?
Goodfire shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.
When was Goodfire's last funding round?
Goodfire's most recent funding round was Series B on February 5, 2026.
Who are the main investors in Goodfire?
Key investors in Goodfire include B Capital Group, Menlo Ventures, Lightspeed Venture Partners.
Will Goodfire IPO soon?
No public IPO plans have been announced for Goodfire.
How can I track Goodfire secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Goodfire's secondary market activity and sign up for updates.