AgentOps provides tools to trace, debug, and deploy AI agents, with a Python package and engineering resources.
Fiddler
Fiddler provides evaluation, monitoring, enforcement, governance, and cost controls for enterprise AI agents.
About Fiddler
Fiddler AI is a web-based enterprise platform that functions as a centralized control plane for AI agents, supporting first-party, third-party, and coding agents across their full lifecycle from development to production. It provides a suite of tools for continuous evaluation, real-time monitoring, inline policy enforcement, auditable governance, and cost management to help organizations scale AI deployments with trust.
The platform is built for enterprise and government use cases, with deployment options including SaaS, VPC, and AWS GovCloud. It serves teams including software and AI engineers, data scientists, platform and DevOps teams, and security and compliance professionals, particularly those operating in highly regulated industries such as financial services, healthcare, insurance, and government.
Key features
- Single-pane view of all agent performance, actions, tokens, and costs
- Inline redaction of PII, PHI, and secrets at agent request/response paths
- In-environment guardrails and evaluations with no external LLM API calls
- Auditable enforcement decisions aligned with GRC standards and AI regulations
- Model- and cloud-agnostic support for 100+ AI providers
Best for: Enterprises and government organizations, particularly those in regulated industries, that need to govern, monitor, and enforce policies for AI agents across their full lifecycle.
Good for
- Unified platform covering the full agent lifecycle from development to production
- In-environment processing cuts evaluation costs by up to 98% by eliminating external LLM API fees
- Inline enforcement stops violations before data leaves the network with sub-80ms latency
- Auditable governance features aligned with GRC standards and AI regulations
Watch out for
- Pricing is not publicly listed; users must request a demo for cost details
- The platform is proprietary with no open source version available
Fiddler at a glance
- Website
- fiddler.ai
- Category
- AI & Machine Learning › AI Data & Analytics
- Type
- Online tool
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Fiddler FAQ
What is Fiddler AI used for?
Fiddler AI acts as a centralized control plane for enterprise AI agents, offering evaluation, monitoring, policy enforcement, governance, and cost controls across the full agent lifecycle from development to production.
Who are the typical users of Fiddler AI?
Typical users include software and AI engineers, data scientists, platform and DevOps teams, and security and compliance teams at organizations deploying AI agents, especially in regulated industries like finance, healthcare, and government.
Does Fiddler AI use external LLMs for evaluations?
No, Fiddler’s in-environment Centor Models power guardrails and evaluations without external LLM API calls, reducing evaluation total cost of ownership by up to 98% compared to foundation models.
Is Fiddler AI compliant with industry governance standards?
Yes, all enforcement decisions are recorded with full audit trails aligned with GRC standards and AI regulations, providing ready evidence for compliance requirements.
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