No. 9 of 32 ·AI Agent Observability Tools

Fiddler AI

Web · Self-hosted · API

Freedom report

Two barsScore 6.4

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

Fiddler AI is ranked #9 of 32 in AI agent observability tools on Freedom251. It runs on API, Self-hosted, Web. There is a free plan.

Fiddler AI plans and pricing

All plans

Free Free Real-time guardrails · latency <80ms · Centor Models fiddler.ai · 5 Oct 2026

Developer Free per trace Everything in Free · AI observability, tests and experiments · custom evaluators and bring your own judge · RBAC and SSO · SaaS deployment fiddler.ai · 5 Oct 2026

Enterprise Not published Everything in Developer · enterprise-grade guardrails and scalability · SaaS, VPC, or on-premise · dedicated support · named customer success manager and customized onboarding fiddler.ai · 5 Oct 2026

Compared on AI agent observability tools

Free plan: Yes
Cost tracking: Yes

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The record

Product: Fiddler describes its platform as providing unified observability and security for AI agents and predictive applications.
Lifecycle: The platform evaluates agents and models in development and monitors them in production.
Diagnostics: It offers agent and model diagnostics and more than 100 out-of-the-box and custom metrics, including hallucination, toxicity, PII/PHI, drift, performance, and business KPIs.
Guardrails: Fiddler says its real-time guardrails can detect risks and intervene by pausing, rerouting, or escalating agent actions.
Governance: The platform records decisions, actions, evaluations, and policy outcomes and supports audit evidence for requirements including GDPR, HIPAA, NAIC, and SR 11-7.
Frameworks: The product page names LangGraph, Amazon Bedrock, and AWS Strands Agents as native framework support and says the platform is built on OpenTelemetry standards.
Integrations: Fiddler’s integration documentation lists connections including Snowflake, BigQuery, Amazon S3, Kafka, Airflow, Databricks, MLflow, Datadog, PagerDuty, Okta, and Google Workspace.
Deployment: The product page lists cloud SaaS, VPC, on-premises, and air-gapped deployment options.
Security: Fiddler says it is SOC 2 Type II certified, encrypts data in transit with HTTPS/TLS 1.2 or higher, and encrypts data at rest with AES-256 or higher.
Healthcare compliance: Fiddler states that it complies with HIPAA.
Support: The Enterprise plan includes white-glove support with dedicated communication channels, a named customer success manager, and customized onboarding.
Intended users: Fiddler positions the platform for enterprises managing AI agents and predictive applications at scale.
Company mission: Fiddler says its mission is to build trust into AI and describes its current product as a control plane for AI agents.
Founded: 2018
Price from: Free

Where it ranks on Freedom251

Best AI Agent Observability Tools in 2026#9 of 32
Best LLM Observability Tools in 2026#12 of 26
Best Model Monitoring Software in 2026#12 of 24
Best AI LLM Observability Tools in 2026#10 of 23
Best Machine Learning Model Monitoring Software in 2026#9 of 20

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Sources

fiddler.ai/ai-observability· checked 5 Oct 2026
docs.fiddler.ai/integrations· checked 5 Oct 2026
fiddler.ai/security· checked 5 Oct 2026
fiddler.ai/pricing· checked 5 Oct 2026
fiddler.ai/about· checked 5 Oct 2026