F
Fiddler
AI observability platform for model monitoring and explanation
About Fiddler
Fiddler AI is a company that provides a Responsible AI Platform designed to help organizations build and maintain trustworthy AI solutions. The platform offers a suite of tools for monitoring, explaining, validating, and analyzing machine learning models in production.
The company primarily serves data science and MLOps teams in enterprises that are deploying AI models at scale. These clients operate in various sectors, including financial services, healthcare, and technology, where the reliability and fairness of AI systems are critical.
The business model is based on a subscription-based software-as-a-service (SaaS) model. Customers pay for access to the Fiddler AI platform, with pricing likely tiered based on the number of models monitored and the volume of data processed. This model provides a recurring revenue stream for the company.
Fiddler AI's platform addresses the growing need for transparency and accountability in artificial intelligence. It enables organizations to understand why their models make certain decisions, identify and mitigate biases, and ensure compliance with regulatory requirements. By providing these capabilities, Fiddler AI helps its clients reduce risks associated with AI, improve model performance, and build trust with their customers.
Source: Dealroom company dataAt a glance
- Status
- Operational
- Founded
- 2018
- Headquarters
- Palo Alto, United States
- Employees
- 114
- Open positions
- 5
- Dealroom signal
- 82.2/100
- Sector
- AI, Core AI, Safetytech Related, Governance, Risk and Compliance, Novel AI, Explainable AI
- Technology
- Artificial Intelligence, Big Data, Deep Tech, Machine Learning, Deep Learning, Natural Language Processing, Computer Vision
- Business model
- SaaS
- Client focus
- b2b
- Investment activity
- 1 company, latest Apr 2026
- Capital deployed
- —
- Preferred round
- ACQUISITION
Knowledge graph
More headlines
Funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| SERIES COther financing | Jan 2026 | $30M | $120M | Insight Partners · LDV Partners · Mozilla Ventures · Lightspeed Venture Partners | ↗ |
| SERIES BOther financing | Dec 2024 | $19M | $160M | ISAI Gestion · Lux Capital · Cisco Investments · Samsung Next | ↗ |
Financials
Revenue, earnings and other financial measures where available. Years marked “E” are estimates.
Growth signals
Latest recorded traffic for Fiddler is 55K monthly website visits, down 14.1% over the last three months. Fiddler's team grew 9.6% over the past year.
Open positions
Similar companies
Company identity and context are open; selected comparison metrics preview what is available on the platform.
Investments and acquisitions
Recent portfolio relationships for companies that also act as investors or acquirers.
Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Seed3 investors entered at this stage
Series A11 investors entered at this stage
Lux Capital
Lockheed Martin Global
Insight Partners
Amazon Alexa Fund
ISAI Gestion
Cisco Investments
Samsung Next
Alpha Square Group
Dallas Venture Capital
Dentsu
Essence Venture Capital
Series B and later8 investors entered at this stage
Alteryx
RPS Ventures
LDV Partners
Mozilla Ventures
Capgemini
Benhamou Global Ventures
Dentsu Ventures
LG Technology Ventures
Source: Dealroom Talent Intelligence.
Global footprint
team presence
Market sentiment
An AI-synthesised read of the highest-engagement posts about Fiddler on X, ranked by likes and reposts, corporate channels excluded.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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