Fiddler Labs
Fiddler AI provides an enterprise AI Control Plane platform for observing, securing, and governing machine learning models and LLM-based AI agents in production. It serves Fortune 500 customers in financial services, insurance, government, healthcare, and media through subscription-based enterprise contracts.
- Company typePrivate
- Founded2018
- HeadquartersPalo Alto, United States
- Headcount51–100
- GTM typeB2B
- OfferingSoftware
What Fiddler Labs does
Fiddler Labs, Inc. (operating as Fiddler AI) is a Palo Alto-headquartered enterprise software company founded in 2018 by Krishna Gade (CEO) and Amit Paka (COO) that builds an AI Control Plane platform for observing, securing, and governing machine learning and LLM-based agent systems in production. The platform integrates inline at existing API gateways to deliver standardized telemetry, continuous evaluation, sub-100ms policy guardrails, and auditable governance, and is composed of modules including Agentic Observability, Fiddler Centor Models, Continuous Evaluations, Guardrails, AI Governance/Risk/Compliance, Responsible AI, ML Observability, LLM Observability, NLP/CV Model Monitoring, and the open-source Fiddler Auditor red-teaming library. Technical differentiators include a patent-pending cluster-based binning algorithm for high-dimensional vector drift detection, a Context Graph for AI decision traceability, and a 3D UMAP visualizer for unstructured model drift. Fiddler is SOC 2 Type II certified and HIPAA-ready, with self-hosted and single-tenant SaaS deployment options.
Fiddler serves Fortune 500 customers in regulated industries including financial services (Mastercard, Ally, DTCC, Curinos, Elevance Health, Cardinal, Oscilar, LendingPoint, UWM), insurance (CSAA, American Family, AIG), government and defense (U.S. Navy), media and analytics (Nielsen), and ad-tech (Integral Ad Science). The company sells primarily through enterprise field sales with proof-of-concept validation, supplemented by AWS Marketplace and Google Cloud Marketplace listings, a Carahsoft public-sector channel partnership, and co-marketing with NVIDIA, Databricks, Snowflake, and Datadog. Revenue is generated through annual or multi-year subscription contracts with quote-based pricing; a 14-day free trial is offered for evaluation. Total disclosed funding is approximately $100 million across a seed round (2018-2019), Series A (2021), Series B ($50M, November 2023), and Series C ($30M, January 2026, led by RPS Ventures). The company reports revenue growth of more than 4x over the 18 months preceding the Series C announcement and has been recognized by Gartner, Forrester, IDC, and CB Insights among AI governance and observability leaders.
Fiddler Labs firmographics
Firmographics- Name
- Fiddler Labs
- Legal name
- Fiddler Labs, Inc.
- Website
- https://fiddler.ai
- Company type
- Private
- Founded year
- 2018
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- Fiddler AI provides an enterprise AI Control Plane platform for observing, securing, and governing machine learning models and LLM-based AI agents in production. It serves Fortune 500 customers in financial services, insurance, government, healthcare, and media through subscription-based enterprise contracts.
- Ownership category
- akta.pro rank
Fiddler Labs industry classification
Industry- Product category
- AI Observability and Governance
- NAICS
- Computer Systems Design and Related Services (54151)
- SIC
- Services-Computer Programming, Data Processing, Etc. (7370)
- akta.pro primary industry
- AI Observability, Monitoring & Evaluation Platforms (Drift, Quality, Safety) (HDAEANAF)
- akta.pro secondary industry
- Responsible AI, Security & Privacy Platforms (Safety, Guardrails, PII) (HDAEANAG)
Keywords
Where Fiddler Labs is headquartered
LocationHeadquarters
- HQ city
- Palo Alto
- HQ country
- United States
- HQ region
- North America
Offices3 records
Markets served
Fiddler Labs business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Marketing or Sales, Infrastructure, Operations
Revenue model
- Subscription-Based SaaS: Annual or multi-year subscription model for access to the AI Control Plane platform. Includes tiered pricing based on usage, features, and scale. 14-day free trial available for evaluation.
- Enterprise Licensing: Enterprise customers subscribe to services with automatic renewal at then-current pricing. Payment via credit card or PayPal, with annual billing options. Service Subscription Fees are non-refundable per terms of service.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Enterprise subscription with custom pricing |
| Freemium | Pay-as-you-go | Free trial for evaluation |
Go-to-market motion3 records
Distribution channels4 records
Marketing channels8 records
Fiddler Labs product offering
Product offeringCore offering
Fiddler Labs sells an AI Control Plane platform that delivers standardized telemetry, continuous evaluation, inline guardrails, and auditable governance for enterprise AI agents and ML/LLM systems. The platform provides systems of record for the agentic lifecycle, monitoring drift and anomalies across NLP, CV, tabular, and code modalities, with sub-100ms inline policy enforcement at existing gateways. It is sold as subscription SaaS to Fortune 500 organizations in regulated industries including government, healthcare, financial services, and insurance.
Product overview
Fiddler Labs offers a unified AI Observability and Security Platform organized as a platform-plus-modules architecture. The core offering is the AI Control Plane for Agents, which serves as the foundational layer providing standardized telemetry, policy enforcement, and governance. Surrounding this core are integrated modules including AI Observability and Security (testing, monitoring, protecting AI), Agentic Observability (agent-specific monitoring), Fiddler Centor Models (evaluation and scoring models), Continuous Evaluations (in-environment evaluation), Guardrails (policy enforcement), AI Governance/Risk/Compliance, Responsible AI, ML Observability, LLM Observability, Model Monitoring, Analytics, and NLP/CV Model Monitoring. Fiddler Auditor is a separate open-source add-on for red-teaming LLMs. Slice and Explain provides embedded analytics within the platform. The platform also supports specialized solutions for Government, Healthcare, Insurance, Customer Experience, Lending and Trading, and Lifetime Value use cases.
Differentiator
Problem solved
Functional benefit
Products and services
- AI Control Plane for Agents Enterprise control plane platform providing systems of record for the agentic lifecycle: standardized telemetry, reliable evaluation, continuous monitoring, enforceable policy, and auditable governance for compound AI systems and AI agents.
- AI Observability and Security Platform for testing, observing, protecting, and governing AI at enterprise scale, providing real-time monitoring, root cause analysis, anomaly detection, and explainable AI for ML and LLM systems.
- Agentic Observability Product offering end-to-end visibility, context, and control for the agentic lifecycle, tracking agentic applications from testing through production with full execution context and decision lineage.
- Fiddler Guardrails Standalone product that enforces enterprise AI policies with inline policy enforcement at the gateway level, delivering allow/block/redact verdicts in under 100 ms.
- Fiddler Auditor Open-source robustness library for red-teaming of LLMs that evaluates prompts and LLMs for robustness, correctness, and safety before production deployment.
- Slice and Explain Automated insights workflow powered by Explainable AI that enables drill-down model analysis from global dataset level to individual predictions with SQL-based slicing.
- NLP & CV Model Monitoring Standalone product for high-performing unstructured AI monitoring for natural language processing and computer vision models, using patent-pending cluster-based binning and 3D UMAP visualization for drift detection in high-dimensional vectors.
- LLM Observability Standalone product that monitors and analyzes LLM applications for hallucinations, safety, toxicity, and PII leakage with multi-provider LLM monitoring and real-time dashboards.
- ML Observability Standalone product that delivers high-performing AI solutions at scale with comprehensive ML model monitoring, including drift detection, data integrity checks, and performance tracking.
Quantifiable outcome
- U.S. Navy decreased 97% time needed to update ATR models
- +3 more outcomes
Companies that use Fiddler Labs
Customer profileNamed customers15 records
Segments6 records
Ideal customer profiles2 records
Fiddler Labs technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration11 records
AI capability13 records
Feature10 records
Fiddler Labs partnerships and signals
Strategic signalPartnerships
Eight partnerships are on record, tiered core, flagship and minor.
- CarahsoftcorePartnership to expand deployment of AI observability and security solutions across the U.S. public sector. Carahsoft serves as government reseller and distribution partner.
- AWS (Amazon SageMaker AI)flagshipNative enterprise-grade AI observability integration with Amazon SageMaker AI. Fiddler achieved 'AWS Pattern Partners' status and joined the Amazon SageMaker Ready Program. Unified MLOps for scalable model lifecycle management.
- Google CloudcoreDeployment of safe and trustworthy AI applications on Vertex AI. Fiddler AI Observability available on Google Cloud Marketplace.
- NVIDIAflagshipIntegration with NVIDIA NIM and NeMo Guardrails for monitoring and protecting LLM applications. Fiddler Guardrails now native to NVIDIA NeMo Guardrails. Enhanced agentic AI security with NVIDIA Enterprise AI Factory integration.
- SnowflakecoreIntegration with Snowflake for accelerating production ML with streamlined MLOps experience.
- DatabrickscoreIntegration for accelerating production AI solutions. Accelerate production ML with streamlined MLOps experience using Databricks.
- DatadogcoreFiddler MPM integration for Datadog APM. Gain complete visibility into the performance of AI applications within Datadog dashboard.
- Fiddler LabsminorInternal brand reference - Fiddler Labs, Inc. is the legal entity name for Fiddler AI.
Scale indicators6 records
Recent moves6 records
Expansion highlights6 records
Fiddler Labs competitors and assessment
Company assessmentEmerging players
- Monte Carlo Data: Monte Carlo is a data observability leader extending into AI/ML reliability and pipeline monitoring. Targets adjacent enterprise buyers with overlapping data quality, lineage, and pipeline reliability themes relevant to Fiddler's ML monitoring stack.
Direct peers
- Credo AI: Credo AI provides an AI governance, risk, and compliance platform mapped to regulations such as the EU AI Act and NIST AI RMF. Directly comparable to Fiddler's Governance/Risk/Compliance and Responsible AI modules.
- Arthur AI: Arthur AI provides AI performance monitoring, observability, and guardrails for models in production. Targets the same enterprise buyer persona as Fiddler with overlapping AI observability and policy enforcement capabilities.
- WhyLabs: WhyLabs offers an AI observability platform focused on data and model monitoring, drift detection, and LLM safety/guardrails. Closely comparable to Fiddler's ML/LLM observability and Guardrails modules.
- Protect AI: Protect AI offers an AI security platform covering LLM/ML model scanning, vulnerability management, and guardrails. Closely comparable to Fiddler's Guardrails and security-related modules for AI applications in production.
- Patronus AI: Patronus AI is an AI evaluation and observability platform for LLM applications, offering automated evaluation, safety testing, and continuous monitoring. Overlaps with Fiddler's Continuous Evaluations, Guardrails, and Agentic Observability modules.
- Arize AI: Arize provides an AI observability and LLM evaluation platform with drift detection, guardrails, and tracing for production ML/LLM systems. Directly competes with Fiddler across ML/LLM monitoring and now agent observability for enterprise buyers.
- LangSmith (LangChain): LangSmith is the LLM development and observability suite from LangChain, offering tracing, evaluation, and monitoring for LLM applications and agents. Competes with Fiddler's Agentic Observability and LLM Observability offerings.
- Weights & Biases: Weights & Biases provides an MLOps platform with experiment tracking, model monitoring, and LLM evaluation tools. Overlaps with Fiddler's ML Observability, Continuous Evaluations, and broader model lifecycle management.
Broad incumbents
- Datadog: Datadog is a large-scale cloud observability platform that has launched native LLM Observability and AI monitoring features. While much broader in scope, it increasingly overlaps with Fiddler's enterprise AI/ML monitoring capabilities and is also a partner via Fiddler's Datadog APM integration.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks6 records
Key highlights7 records
Customer concentration
Fiddler Labs social profiles
Digital presenceFiddler Labs compliance and trust
Trust signalCompliance2 records
Fiddler Labs financial estimates
Financial estimateRevenue estimate
Valuation estimate
Fiddler Labs leadership team
Management profileNumber of profiles
Profiles8 records
Fiddler Labs funding detail
Funding detailFunding overview
Funding rounds8 records
Investors24 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Fiddler Labs M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Fiddler Labs
What does Fiddler Labs do?
Fiddler Labs sells an AI Control Plane platform that delivers standardized telemetry, continuous evaluation, inline guardrails, and auditable governance for enterprise AI agents and ML/LLM systems. The platform provides systems of record for the agentic lifecycle, monitoring drift and anomalies across NLP, CV, tabular, and code modalities, with sub-100ms inline policy enforcement at existing gateways. It is sold as subscription SaaS to Fortune 500 organizations in regulated industries including government, healthcare, financial services, and insurance.
Is Fiddler Labs a public or private company?
Fiddler Labs is a private company. It is classified as venture growth investor backed and is currently operating.
When was Fiddler Labs founded?
Fiddler Labs was founded in 2018. It employs 51 to 100 people.
Where is Fiddler Labs based?
Fiddler Labs is headquartered in Palo Alto, United States, in the North America region.
How does Fiddler Labs make money?
Two revenue lines are on record. Subscription-Based SaaS are the primary driver. The others are enterprise Licensing.
Who are Fiddler Labs's main competitors?
Monte Carlo Data is listed as an emerging player. Direct peers are Credo AI, Arthur AI, WhyLabs, Protect AI, Patronus AI, Arize AI, LangSmith (LangChain) and Weights & Biases. Datadog is listed as a broad incumbent.
Does Fiddler Labs have an API?
Yes. Fiddler provides an API for integrating its AI observability platform with enterprise systems. The platform supports programmatic access through its documentation at docs.fiddler.ai, enabling developers to connect models, configure monitoring, and retrieve analytics. The Terms of Use reference automatic renewal subscriptions and Stripe payment processing for service fees. Developer documentation is at docs.fiddler.ai.
What industry is Fiddler Labs in?
Fiddler Labs's product category is AI Observability and Governance. Its primary akta.pro industry code is HDAEANAF, AI Observability, Monitoring & Evaluation Platforms (Drift, Quality, Safety), with a secondary code of HDAEANAG, Responsible AI, Security & Privacy Platforms (Safety, Guardrails, PII). Its NAICS code is 54151 and its SIC code is 7370.