Fiddler AI vs Nobl9

See how their public offers line up before you choose your own position. Prices stay in the currency, billing schedule, and charged unit each vendor publishes.

Fiddler AI

See full pricing history

USD · US · source: www.fiddler.ai

Plan	Pricing	Charged by	Offer type
Free — Free	Free Free	Flat	Standalone · Free
Developer — Developer Highlighted	$0.002 per trace $0.002 per trace	Usage · per trace	Standalone · Usage based

Nobl9

See full pricing history

USD · US · source: www.nobl9.com

Plan	Pricing	Charged by	Offer type
Teams Edition	USD 1245.83 / month with annual commitment $14,950/year	Flat · published subscription	Standalone · Fixed
Professional Edition	Contact sales Contact Sales	Flat · published subscription	Standalone · Contact sales
Enterprise Edition	Contact sales Contact Sales	Flat · published subscription	Standalone · Contact sales

What each plan includes

Feature names follow each vendor’s own pricing page, so verify the wording before treating them as exact equivalents.

Fiddler AI

Free — Free

Highlights Real-time guardrails to detect harmful exposure: Included
Highlights Protects against hallucinations, Toxicity, PII/PHI, Prompt Injection, and Jailbreak attempts: Included
Highlights Latency of <80ms: Included
Highlights Powered by contextual and task specific Fiddler Centor Models: Included

Developer — Developer

Highlights Everything in Free, plus: Included
Highlights Unified AI observability, including tests and experiments, for agentic and predictive systems: Included
Highlights Custom evaluators and bring your own judge: Included
Highlights Visualization-driven insights: Included
Highlights Role based access control and SSO: Included
Highlights SaaS deployment: Included

Nobl9

Teams Edition

Official plan card SLO units: 50

Limited
Official plan card Data sources: 10

Limited
Official plan card Data retention: 2 years

Limited

Professional Edition

Official plan card SLO units: 200

Limited
Official plan card Data sources: Unlimited

Limited
Official plan card Dedicated support: Included

Enterprise Edition

Official plan card SLO units: 500

Limited
Official plan card Support: 24x7

Limited
Official plan card Single-tenant and high-availability options: Included

How their prices changed

Each dated row shows the public prices observed when that vendor’s pricing page changed.

Fiddler AI

August 27, 2026 Source
- Free — Free: Free
- Developer — Developer: $0.002 per trace

Nobl9

August 27, 2026 Source
- Teams Edition: USD 1245.83 / month with annual commitment
- Professional Edition: Contact sales
- Enterprise Edition: Contact sales