Fiddler AI

Control plane for observing, evaluating, and securing enterprise AI

Visit official website
PricingFreemium
Starting price$0.002/trace
Free planYes
Free trialYes
APIYes
Open sourceNo
DeploymentSelf Hosted
Last verifiedAugust 3, 2026
Overview

Tool overview

Fiddler AI is listed under AI Governance Safety & Evaluation AI tools.

Summary

What is Fiddler AI?

Fiddler provides observability, evaluations, guardrails, root-cause analysis, and governance for predictive models, LLM applications, and agentic systems. Teams can use it for monitoring production AI and testing agents before launch.

Best fit

Best for

Monitoring production AI

Audience

Who is it for?

Monitoring production AITesting agents before launchEnforcing safety policies
Recommendation

Decision note

Strong candidate for the Data Analytics category. Verify logo, outreach, pricing, and editorial fit before publishing.

Capabilities

Key features

Agent and model observability

Pre-production tests and experiments

Runtime guardrails and policy enforcement

Root-cause and decision-lineage analysis

Governance and business KPI tracking

Workflows

Use cases

Monitoring production AI

Testing agents before launch

Enforcing safety policies

Investigating model failures

Strengths

Pros

  • Unified lifecycle coverage
  • Developer usage-based plan
  • Enterprise governance controls
Considerations

Cons

  • Advanced deployment needs integration work
  • Enterprise pricing is custom
Considerations

Limitations

Observability and guardrails reduce risk but do not replace domain validation, security engineering, or organizational governance.

Cost

Pricing details

Pricing modelFreemium
Starting price$0.002/trace
Free planYes
Free trialYes
Pricing context

Billing options

Free tierUsage-based DeveloperCustom Enterprise
Pricing context

Pricing note

Fiddler offers a Free guardrails tier, a Developer tier at $0.002 per trace, and Enterprise pricing through sales. Enterprise supports SaaS, VPC, and on-premises deployment.

View official pricing
Compatibility

Supported languages

  • English
Specs

Technical details

PlatformsWeb
Multilingual supportYes
Login requiredYes
Open sourceNo
DeploymentSelf Hosted
CompanyFiddler AI
Data confidenceHigh
Last verifiedAugust 3, 2026
Decision hub

Finish your evaluation of Fiddler AI

Move between similar tools, comparison cards, quick answers, user reviews, and open discussion without leaving the page.

Tools, comparisons & answers

Explore the best next step before choosing Fiddler AI

Browse similar tools, open focused comparison cards, and answer the most common buying questions.

Answers

Frequently asked questions

Fiddler provides observability, evaluations, guardrails, root-cause analysis, and governance for predictive models, LLM applications, and agentic systems. Teams can use it for monitoring production AI and testing agents before launch.
Monitoring production AI
The listed pricing model for Fiddler AI is freemium. Pricing can change, so users should verify the latest plan details on the official website.
Yes. The current profile indicates that a free trial is available.
Community proof

User reviews

Real user feedback helps others understand strengths, limitations, and the best-fit workflows before choosing this tool.

No reviews Average rating
0 Total reviews
No reviews yet

Be the first to review Fiddler AI

Share what worked, what did not, who this AI tool is best for, and what buyers should verify before choosing it.

Ask in discussion
Tool discussion

Ask or discuss this tool

Ask questions, share workflows, or discuss your experience with this AI tool.

ReplyContinue threads
EditUpdate your posts
ReportKeep it useful
0Total messages
0Threads
0Replies
Start a useful threadAsk, compare workflows, or reply to reviews

Keep it specific and helpful. You can edit or delete your own messages after posting.

Please log in to join the discussion.

Live discussion

Community messages

Reply to messages and keep the discussion useful. Use Report for abuse or spam. Your own posts can be edited or deleted.

No discussion yetBe the first to ask a question or share a useful workflow.