Fiddler Guardrails Pricing in 2026
Every plan Fiddler Guardrails publishes, with the page and date we read it from. Prices we could not find on Fiddler Guardrails's own site are marked "Not published", never guessed.
| Plan | Price | Billing | Limits | Source |
|---|---|---|---|---|
| Free | Free | Real-time guardrails to detect harmful exposure · Protects against hallucinations, toxicity, PII/PHI, prompt injection, and jailbreak attempts · <80ms latency | fiddler.ai | |
| Developer | Free | per trace | Everything in Free · Unified AI observability, including tests and experiments · Custom evaluators and bring your own judge · Role based access control and SSO · SaaS deployment | fiddler.ai |
| Enterprise | Not published | Everything in Developer · Enterprise-grade guardrails and infrastructure scalability · SaaS, VPC, or on-premise deployment · Dedicated communication channels · Named Customer Success Manager and customized onboarding | fiddler.ai |