Fiddler AI pricing
Fiddler AI has a free plan and paid plans. Developer plan: $0.002 per trace. Free plan: Real-time guardrails.
Fiddler AI plans and prices
Every line links to the page it came from. Prices are what Fiddler AI publishes; taxes, currency and regional pricing can change what you pay.
Fiddler AI pricing facts
2 of 2 verified- Free plan
- Real-time guardrails
- Checked Nov 8, 2026fiddler.ai(opens source in a new tab)
- “Free Real-time guardrails to detect harmful exposure.”
- Developer plan
- $0.002 per trace
- Checked Nov 8, 2026fiddler.ai(opens source in a new tab)
- “Request demo $0.002 per trace”
Fiddler AI price history
We've tracked Fiddler AI's prices since Nov 8, 2026 and re-check them against fiddler.ai regularly. No price changes so far.
Fiddler AI alternatives by price
Starting prices from each app's own site, ranked by our alternatives score.
| App | Pricing | Price | Free plan |
|---|---|---|---|
 Datadog | Free plan + paid | Infrastructure Pro, $15 per host/month billed annually | Yes, up to 5 hosts with 1-day metric retention |
 New Relic | Free plan + paid | $10 for the first full user, then $99 per user (Standard) | 100 GB data ingest/month |
 Weights & Biases | Free plan + paid | From $60 a month (Pro), billed monthly | Yes, $0 a month |
 Evidently AI | Open source | — | — |
Fiddler AI pricing: common questions
Is Fiddler AI free?
Fiddler AI has a free plan: Real-time guardrails. Paid plans add more.
How much does Fiddler AI cost?
Developer plan: $0.002 per trace, according to fiddler.ai (checked Nov 8, 2026). Prices can vary by country and billing period.
What are free alternatives to Fiddler AI?
Free or freemium alternatives include Evidently AI, Datadog, New Relic and Weights & Biases. Open-source options: Evidently AI.