Fiddler AI funding, valuation and investors

Product & use cases

Fiddler AI delivers evaluation, explainability and monitoring for production AI systems. Functionality spans conventional ML model monitoring, generative-model quality and safety evaluation, agent tracing and operational AI trust workflows. CrowdStrike intends to incorporate these capabilities into its Falcon AI security offering.

• Evaluating LLM and AI agent outputs for quality, bias and safety before deployment
• Tracing multi-step agent decisions and analyzing behavior in production
• Detecting model drift, shifts in data distributions and unexpected model behavior
• Providing evidence for AI governance and internal risk review

Key facts

• November 3, 2026: CrowdStrike signed an acquisition agreement; WSJ reported roughly $400M price, but closing and exact consideration were unconfirmed.
• January 27, 2026: $30M Series C led by RPS Ventures; company reported $100M cumulative funding.
• Earlier rounds: $3M seed (2018), $10.2M Series A (2019), $32M Series B (2021), $18.6M Series B-Prime (2024).
• Additional strategic investment announcements in 2020 and 2023 do not all disclose individual amounts.

Competitive landscape

Edge: Fiddler built model monitoring and explainability before the generative AI boom, giving it a lineage in ML governance. Its agent observability expansion places it against developer-first tracing systems and broader AI security platforms; depth, integration cost and verified security controls vary.

A vendor-observability market analysis should distinguish open telemetry from software-specific dashboards, the price of traces/evaluations, the size of production datasets, privacy/data residency, cross-platform instrumentation and whether safety violations are blocked or merely observed. Fiddler's CrowdStrike strategic fit rests on connecting agent evaluation and visibility to enterprise threat detection.

• Arize AI direct

  AI and agent observability, evaluations and Phoenix instrumentation.

• Langfuse direct

  Open-core LLM traces, prompt management and evaluation.

• LangSmith direct

  LangChain ecosystem tracing, evaluations and agent observability.

• Galileo direct

  LLM evaluation and observability; acquired by Cisco in 2026.

• Braintrust direct

  Developer-focused evaluation and experiment platform.

• WhyLabs direct

  Model monitoring and AI observability.

• Comet Opik direct

  LLM/agent observability and evaluation.

• Noma Security adjacent

  AI/agent security lifecycle with runtime posture and risk signals.

Industries

Market / IPO context