Fiddler AI vs FireHydrant

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

FireHydrant

See full pricing history

USD · US · source: firehydrant.com

Plan	Pricing	Charged by	Offer type
Free	Free Free	Flat · published subscription	Standalone · Free
Pro Highlighted	USD 25 / month with annual commitment $25/responder/month billed annually	Seat · per responder per month billed annually	Standalone · Fixed
Enterprise	Contact sales Custom pricing	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

FireHydrant

Free

Official plan card Responders: Up to 10

Limited
Official plan card Runbooks: 2

Limited
Official plan card Public status pages: 1

Limited

Pro

Official plan card Runbooks: 5

Limited
Official plan card Public status pages: Unlimited

Limited
Official plan card On-call scheduling and alerting: Included

Enterprise

Official plan card Runbooks and integrations: Unlimited

Limited
Official plan card Private incidents and status pages: Included
Official plan card Premium support and SLA: 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

FireHydrant

August 27, 2026 Source
- Free: Free
- Pro: USD 25 / month with annual commitment
- Enterprise: Contact sales