Athina 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.

Athina

See full pricing history

USD · US · source: www.athina.ai

Plan	Pricing	Charged by	Offer type
Starter — Free	Free Free	Flat · per month	Standalone · Free
Pro — Paid Highlighted	Contact sales Let's talk	Flat · per month	Standalone · Contact sales

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.

Athina

Starter — Free

Highlights Logs per month: 10k

Included
Highlights Advanced analytics: Included

Included
Highlights Prompts: Unlimited

Included
Highlights Compare prompts and models: Included

Included
Highlights Track cost, latency, and other metrics: Included

Included

Pro — Paid

Highlights Logs per month: Unlimited

Included
Highlights Evals: Unlimited

Included
Highlights Datasets: Unlimited

Included
Highlights Team seats: Unlimited

Included
Highlights White-glove support: Included

Included
Highlights GraphQL API: Included

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.

Athina

August 27, 2026 Source
- Starter — Free: Free
- Pro — Paid: Contact sales

Fiddler AI

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