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Fiddler AI vs Flare

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

Flare

See full pricing history

USD · US · source: flareapp.io

Plan Pricing Charged by Offer type
Hobby — Monthly
USD 9 monthly

/ month

 Flat · / month Standalone · Fixed
Hobby — Yearly
USD 7.5 / month with annual commitment

/ year

 Flat · / year Standalone · Fixed
Standard — Monthly Highlighted
USD 39 monthly

/ month

 Flat · / month Standalone · Fixed
Standard — Yearly
USD 32.5 / month with annual commitment

/ year

 Flat · / year Standalone · Fixed
Growth — Monthly
USD 99 monthly

/ month

 Flat · / month Standalone · Fixed
Growth — Yearly
USD 82.5 / month with annual commitment

/ year

 Flat · / year Standalone · Fixed
Premium — Monthly
USD 299 monthly

/ month

 Flat · / month Standalone · Fixed
Premium — Yearly
USD 249.17 / month with annual commitment

/ year

 Flat · / year Standalone · Fixed

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

Flare

Hobby — Monthly

Highlights

Users

Single user

Included

Highlights

Projects

Single project

Included

Highlights

Errors per month

10,000 errors / mo

Included

Highlights

Spans per month

5,000,000 spans / mo

Included

Highlights

Logs per month

1,000,000 logs / mo

Included

Hobby — Yearly

Highlights

Users

Single user

Included

Highlights

Projects

Single project

Included

Highlights

Errors per month

10,000 errors / mo

Included

Highlights

Spans per month

5,000,000 spans / mo

Included

Highlights

Logs per month

1,000,000 logs / mo

Included

Standard — Monthly

Highlights

Users

Unlimited users

Included

Highlights

Projects

Unlimited projects

Included

Highlights

Errors per month

100,000 errors / mo

Included

Highlights

Spans per month

20,000,000 spans / mo

Included

Highlights

Logs per month

5,000,000 logs / mo

Included

Standard — Yearly

Highlights

Users

Unlimited users

Included

Highlights

Projects

Unlimited projects

Included

Highlights

Errors per month

100,000 errors / mo

Included

Highlights

Spans per month

20,000,000 spans / mo

Included

Highlights

Logs per month

5,000,000 logs / mo

Included

Growth — Monthly

Highlights

Users

Unlimited users

Included

Highlights

Projects

Unlimited projects

Included

Highlights

Errors per month

300,000 errors / mo

Included

Highlights

Spans per month

50,000,000 spans / mo

Included

Highlights

Logs per month

10,000,000 logs / mo

Included

Growth — Yearly

Highlights

Users

Unlimited users

Included

Highlights

Projects

Unlimited projects

Included

Highlights

Errors per month

300,000 errors / mo

Included

Highlights

Spans per month

50,000,000 spans / mo

Included

Highlights

Logs per month

10,000,000 logs / mo

Included

Premium — Monthly

Highlights

Users

Unlimited users

Included

Highlights

Projects

Unlimited projects

Included

Highlights

Errors per month

2,000,000 errors / mo

Included

Highlights

Spans per month

250,000,000 spans / mo

Included

Highlights

Logs per month

50,000,000 logs / mo

Included

Premium — Yearly

Highlights

Users

Unlimited users

Included

Highlights

Projects

Unlimited projects

Included

Highlights

Errors per month

2,000,000 errors / mo

Included

Highlights

Spans per month

250,000,000 spans / mo

Included

Highlights

Logs per month

50,000,000 logs / mo

Included

How their prices changed

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

Fiddler AI

  1. Source
    • Free — Free: Free
    • Developer — Developer: $0.002 per trace

Flare

  1. Source
    • Hobby — Monthly: USD 9 monthly
    • Hobby — Yearly: USD 7.5 / month with annual commitment
    • Standard — Monthly: USD 39 monthly
    • Standard — Yearly: USD 32.5 / month with annual commitment
    • Growth — Monthly: USD 99 monthly
    • Growth — Yearly: USD 82.5 / month with annual commitment
    • Premium — Monthly: USD 299 monthly
    • Premium — Yearly: USD 249.17 / month with annual commitment