Datadog vs Fiddler AI

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.

Datadog

See full pricing history

USD · US · source: www.datadoghq.com

Plan	Pricing	Charged by	Offer type
Free	Free $0	Unit · per host	Standalone · Free
Pro Highlighted	USD 18 monthly · USD 15 / month with annual commitment $18 on-demand or $15/host/month billed annually	Unit · per host per month	Standalone · Fixed
Enterprise	USD 27 monthly · USD 23 / month with annual commitment $27 on-demand or $23/host/month billed annually	Unit · per host per month	Standalone · Fixed

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

What each plan includes

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

Datadog

Free

Plan card Hosts: Up to 5

Included
Plan card Metric retention: 1 day

Included
Plan card Core collection and visualization: Included

Pro

Plan card Integrations: 1,000+

Included
Plan card Out-of-the-box dashboards: Included
Plan card Metric retention: 15 months

Included

Enterprise

Plan card Machine-learning alerts: Included
Plan card Live Processes: Included
Plan card Governance Console: Included

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

How their prices changed

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

Datadog

August 27, 2026 Source
- Free: Free
- Pro: USD 18 monthly · USD 15 / month with annual commitment
- Enterprise: USD 27 monthly · USD 23 / month with annual commitment

Fiddler AI

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