Fiddler AI
Palo Alto, US · Founded 2018 · 116 employees on LinkedIn · 36 known investors
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Fiddler AI provides an AI observability and control platform offering experiments, monitoring, guardrails, and governance for enterprise AI agents and compound AI systems. It targets enterprise teams deploying AI, with inline enforcement on an agent's request and response path.
Founders & leadership
Fiddler AI was founded in 2018 by Krishna Gade.
KG
Krishna GadeinFounder & CEOKrishna Gade is Founder and CEO of Fiddler AI, which offers a control plane for enterprises to monitor, evaluate, guardrail, and govern AI agents and models. He previously led engineering teams at Meta, Pinterest, X, and Microsoft.
Investors · 36
Angel Collective Opportunity FundSan Francisco
aVentureSan Francisco
Benhamou Global VenturesMenlo Park · $200K – $5M
Cisco InvestmentsSan Jose
Dentsu VenturesTokyo
E12 Venture Capital, LlcLos Altos
In-Q-TelTysons · $100K – $2.5M
Insight PartnersNew York · $120M – $350M
IsaiParis · $108K – $54M
ISAI Gestion
LG Technology VenturesSanta Clara
Mozilla Ventures
Prime PartnersTokyo
RPS VenturesLos Altos · $5M – $20M
Samsung NextSan Jose · $100K – $5M
SAV (Scale Asia Ventures)Palo Alto
Alexa Fundreported · 2 sources
Alpha Square Groupreported · 2 sourcesNew York
BGVreportedSilicon Valley
Bloomberg BetareportedSan Francisco · $25K – $1M
Capgemini Venturesreported$1M – $5M
Dallas Venture Capitalreported · 2 sourcesDallas
Essence Venture CapitalreportedSeattle · $10K – $10Mvia Timothy Chen · inferred
LDV PartnersreportedPalo Alto
Lightspeed Venture Partnersreported · 2 sourcesMenlo Park · $1.7M – $87M
Lockheed Martin VenturesreportedBethesda
Lux Capitalreported · 2 sourcesNew York · $100K – $100M
Also in the syndicate · 9
Capgemini's ISAI Cap VenturesDallas VCDentsuE12 VenturesEssence FundISAI Cap VenturesLG VenturesLightspeed VenturesLockheed Martin
Funding
SEC filings, press & company announcements$62M disclosed across 2 of 3 rounds · 2021–2026
- $30MSeries CJan 2026 · 3 sources
RPS Ventures (lead), Benhamou Global Ventures, BGV, Capgemini Ventures, Dallas VC, Dallas Venture Capital, Dentsu Ventures, E12 Ventures, Insight Partners, ISAI Cap Ventures, LDV Partners, LG Technology Ventures, LG Ventures, Lightspeed Venture Partners, Lightspeed Ventures, Lux Capital, Mozilla Ventures
Source ↗ - Undisclosed amountSeries BJan 2025
Alpha Square Group, Capgemini's ISAI Cap Ventures, Cisco Investments, Dallas Venture Capital, Dentsu, Essence Fund, Insight Partners, Lightspeed Venture Partners, Lux Capital, Samsung Next
Source ↗ - $32MraisedJun 2021 · 2 sources
Alexa Fund, Insight Partners, Lockheed Martin
Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
Competitors · 10
by search overlap
Netezza394 shared keywordsIBM is a global technology company whose business spans enterprise software (including Red Hat, HashiCorp, and Confluent), IT infrastructure such as mainframes, servers, and storage, and IT consulting services. The company is also investing heavily in quantum computing and AI-based enterprise offerings, including its Lightwell open-source software security clearinghouse and the Anderon quantum wafer foundry.
Deepchecks156 shared keywordsDeepchecks offers an enterprise LLM evaluation platform that unifies testing, observability, and monitoring for AI systems in production. It lets AI teams compare prompt/model/agent versions, set up auto-scoring pipelines, create LLM judges and datasets, and integrate LLM app testing into CI/CD.
DataCamp152 shared keywordsDataCamp is a learning platform for teams that teaches data and AI skills through hands-on coursework accessible via web browser and mobile app. It serves enterprise customers and development teams seeking to build technical capabilities.
OpenAI134 shared keywordsOpenAI is an AI research and deployment company focused on developing artificial general intelligence (AGI) with emphasis on safety and beneficial outcomes for humanity.
Arize125 shared keywordsArize provides observability and evaluation tools for AI systems and large language models, enabling development teams to monitor, debug, and improve AI agents in production.
Hugging Face121 shared keywordsHugging Face is a collaboration platform that hosts and provides access to machine learning models, datasets, and applications. It offers both open-source tools for the ML community and paid compute and enterprise solutions for teams building AI applications.
Databricks112 shared keywordsDatabricks provides a unified platform for data engineering, analytics, and artificial intelligence, enabling organizations to build and deploy data and AI applications on cloud infrastructure.
Truera103 shared keywordsSnowflake is a fully managed cloud data platform that integrates data ingestion, processing, analysis, and AI application development across multiple cloud providers. It serves enterprise customers with unified security, governance, and infrastructure for building data and AI workloads.
LangChain96 shared keywordsLangChain provides an agent engineering platform and open source frameworks for developers to build, test, and deploy AI agents that can use data and take actions. The platform includes LangSmith for observability and evaluation, and serves enterprise customers including 35% of the Fortune 500.
Galileo95 shared keywordsSplunk Agent Observability is a platform that monitors and secures AI agents in production by combining evaluation, observability, cost tracking, and guardrails. The platform enables teams to trace agent workflows, detect quality and safety issues like hallucinations and PII leakage, and enforce real-time protections across the entire AI stack.
Companies competing with Fiddler AI for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
Frequently asked questions
- What does Fiddler AI do?
- Fiddler AI provides an AI observability and control platform offering experiments, monitoring, guardrails, and governance for enterprise AI agents and compound AI systems. It targets enterprise teams deploying AI, with inline enforcement on an agent's request and response path.
- Who founded Fiddler AI?
- Fiddler AI was founded by Krishna Gade in 2018.
- Who are Fiddler AI's investors?
- Fiddler AI's investors include Angel Collective Opportunity Fund, aVenture, Benhamou Global Ventures, Cisco Investments, Dentsu Ventures, E12 Venture Capital, Llc, In-Q-Tel, Insight Partners and 19 more.
- How much funding has Fiddler AI raised?
- Fiddler AI has disclosed $62M raised across 2 of its 3 known rounds.
- Where is Fiddler AI headquartered?
- Fiddler AI is headquartered in Palo Alto, US.