Axiom 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.

Axiom

See full pricing history

USD · US · source: axiom.co

Plan	Pricing	Charged by	Offer type
Personal — default	Free $0 / month Permanent.	Flat · per month	Standalone · Free
Axiom Cloud — default Highlighted	USD 25 monthly · USD 25 / month with annual commitment $25 / month Platform fee + usage.	Flat · per month platform fee + usage	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.

Axiom

Personal — default

Highlights Data loading: 500 GB/mo

Included
Highlights Query compute: 10 GB-hours

Included
Highlights Storage: 25 GB

Included
Highlights Retention window: 30-day retention

Included
Highlights Full APL access: Included
Highlights All integrations: Included
Highlights Support: Community support

Included

Axiom Cloud — default

Highlights Data loading: 1 TB / mo (included in platform fee)

Included
Highlights Query compute: 100 GB-hours / mo

Included
Highlights Storage: 100 GB

Included
Highlights Retention window: Configurable retention

Included
Highlights Full APL access: Included
Highlights All integrations: Included
Highlights Support: Email included. SLA / dedicated as add-ons

Included
Highlights Automatic volume discounts: Included
Highlights Self-serve enterprise add-ons: Included
Highlights Compute credit pre-purchase: 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.

Axiom

August 27, 2026 Source
- Personal — default: Free
- Axiom Cloud — default: USD 25 monthly · USD 25 / month with annual commitment

Fiddler AI

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