Fiddler AI is a technology company.
Fiddler AI provides an AI observability platform that enables organizations to monitor and understand AI models, ensuring transparency and trust in AI outcomes.
Fiddler AI has raised $61.0M across 3 funding rounds.
Fiddler AI has raised $61.0M in total across 3 funding rounds.
Fiddler AI is a Palo Alto-based technology company specializing in AI observability and security platforms for responsible AI deployment.[1][2][4] It builds tools for monitoring, explaining, and securing machine learning (ML) models, large language models (LLMs), and AI agents, serving enterprises in sectors like financial services, government, manufacturing, and Fortune 500 organizations.[1][2][3] The platform solves critical problems in AI governance—such as model drift, hallucinations, toxicity, PII leakage, and prompt injection—by providing real-time alerts, diagnostics, explainable AI (XAI), and guardrails with sub-100ms response times, enabling scalable, trustworthy AI operations.[2][3][7] With strong growth momentum, including a $50M Series B (extended by $18.6M in 2024), partnerships like AWS SageMaker integration and Carahsoft for public sector, and adoption by industry leaders, Fiddler is accelerating enterprise AI productionization.[3][5]
Fiddler AI was founded in 2018 in Palo Alto, California, amid rising concerns over opaque AI models eroding trust, similar to internet-era issues like spam and fraud.[1][4][6] The idea emerged from a vision to create an AI observability platform that ensures transparency and accountability throughout the MLOps lifecycle, addressing the "black box" nature of AI decisions.[4] Early traction built on expertise from founders and a team with backgrounds at Facebook, Google, Lyft, Twitter, Microsoft, and high-growth startups, fostering a culture of humility, collaboration, and mission-driven innovation.[4] Pivotal moments include expanding from ML monitoring to LLM and agentic AI safety, securing investments from Insight Partners, Lightspeed, Lux Capital, and others, and recent milestones like the Series B extension and government partnerships.[5]
Fiddler rides the explosive growth of agentic AI, LLMs, and GenAI, where enterprises deploy billions of evaluations but face scalability risks without observability—estimated at 10B+ enterprise agents needing monitoring.[5][7] Timing is ideal amid regulatory pressures for AI governance (e.g., safety, bias mitigation) and market forces like rising AI incidents, driving demand for responsible AI tools in high-stakes sectors.[1][3][4] It influences the ecosystem by enabling Fortune 500 and government adoption, partnering with AWS and Carahsoft, and advancing standards through investments from Cisco, Samsung Next, and others, helping bridge development-to-production gaps in MLOps.[3][5]
Fiddler is poised to dominate AI safety and observability as enterprises scale agentic systems, with expansions in LLM monitoring, guardrails, and public sector via new funding and integrations.[5] Trends like stricter AI regulations, multimodal AI complexity, and cost pressures will amplify demand for its low-latency, metric-rich platform, potentially fueling Series C and global reach. Its influence could evolve into an industry standard for trustworthy AI, empowering safer innovation while tying back to its core mission: building trust into every AI decision.[4]
Fiddler AI has raised $61.0M in total across 3 funding rounds.
Fiddler AI's investors include Addition, Andreessen Horowitz, Bond, Floodgate, General Catalyst, Greylock, Haystack, Insight Partners, Kleiner Perkins, Lightspeed India Partners, Lux Capital, March Capital.
Fiddler AI has raised $61.0M across 3 funding rounds. Most recently, it raised $19.0M Series B in December 2024.
| Date | Round | Lead Investors | Other Investors |
|---|---|---|---|
| Dec 1, 2024 | $19.0M Series B | Addition, Andreessen Horowitz, Bond, Floodgate, General Catalyst, Greylock, Haystack, Insight Partners, Kleiner Perkins, Lightspeed India Partners, Lux Capital, March Capital, Matrix, Sorenson Ventures, Tribe Capital, Venture Highway, Bradley Horowitz, Elad Gil, Henry Kravis, Nico Rosberg | |
| Jun 1, 2021 | $32.0M Series B | Addition, Amazon Alexa Fund, Andreessen Horowitz, Bond, Floodgate, General Catalyst, Greylock, Haystack, Insight Partners, Kleiner Perkins, Lightspeed India Partners, Lux Capital, March Capital, Matrix, Sorenson Ventures, SOSV, Tribe Capital, Venture Highway, Version One Ventures, Bradley Horowitz, Charles Huang, Elad Gil, Henry Kravis, Nico Rosberg | |
| Sep 1, 2019 | $10.0M Series A | Addition, Andreessen Horowitz, Bond, Floodgate, General Catalyst, Greylock, Haystack, Kleiner Perkins, Lux Capital, Matrix, Tribe Capital, Venture Highway, Bradley Horowitz, Elad Gil, Henry Kravis, Nico Rosberg |