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.
EUR · US · source: www.blackfire.io
| Plan | Pricing | Charged by | Offer type |
|---|---|---|---|
|
Development plan
|
EUR 33.25 / month with annual commitment
s you fine-tune your application until it’s ready to go to production.€33.25/monthYearlyGet startedIncludedProfilingManual assertions1UserAdd more for €33.25/month each1Environment1 Sandbox. |
Flat · per year | Standalone · Fixed |
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 |
Feature names follow each vendor’s own pricing page, so verify the wording before treating them as exact equivalents.
Plan card
Profiling
Plan card
Manual assertions
Plan card
1Environment1 Sandbox.
Highlights
Real-time guardrails to detect harmful exposure
Highlights
Protects against hallucinations, Toxicity, PII/PHI, Prompt Injection, and Jailbreak attempts
Highlights
Latency of <80ms
Highlights
Powered by contextual and task specific Fiddler Centor Models
Highlights
Everything in Free, plus
Highlights
Unified AI observability, including tests and experiments, for agentic and predictive systems
Highlights
Custom evaluators and bring your own judge
Highlights
Visualization-driven insights
Highlights
Role based access control and SSO
Highlights
SaaS deployment