Fiddler AI Pricing 2026
Plans, hidden costs, and alternatives compared
Cite this data: Toolradar, Fiddler AI pricing verified Oct 2026, toolradar.com/tools/fiddler-ai/pricing
Fiddler AI starts at $0/month on the Developer plan.
Verified Oct 2026 from the official pricing page.
Is Fiddler AI worth the price?
The pricing for Fiddler AI is generally fair, with a generous free tier for basic guardrails.
The Developer tier's per-trace pricing of $0.002 offers good value for growing AI initiatives. The Enterprise tier's 'Contact Sales' model is standard for large-scale deployments, but lacks transparency.
This structure is best for businesses of all sizes looking to implement robust AI governance.
Pricing Plans
Free
- Real-time guardrails to detect harmful exposure
- Protects against hallucinations, Toxicity, PII/PHI, Prompt Injection, and Jailbreak attempts
- Latency of <100ms
- Powered by contextual and task specific Fiddler Trust Models
Developer
$0.002 / trace
- Everything in Free
- Unified AI observability, including tests and experiments, for agentic and predictive systems
- Custom evaluators and bring your own judge
- Visualization-driven insights
- Role based access control and SSO
- SaaS deployment
Enterprise
Contact sales
- Everything in Developer
- Enterprise-grade guardrails
- Enterprise-grade infrastructure scalability
- Flexible deployment: SaaS, VPC, or on-premise
- White glove support with dedicated communication channels
- Named Customer Success Manager and customized onboarding
How Fiddler AI compares
5 of 6 direct competitors offer a free plan.
| Tool | Starting price | Free plan |
|---|---|---|
| Fiddler AI | $0/month, billing unit not specified | Yes |
| LangChain | $39/month, billing unit not specified | Yes |
| LlamaIndex | Contact sales | Yes |
| Arize AI | $50/month, billing unit not specified | Yes |
| Weights & Biases | $60/month, billing unit not specified | Yes |
| MLflow | Free | Yes |
| Databricks | Contact sales | No |
Fiddler AI Pricing FAQ
How much does Fiddler AI cost?
Fiddler AI starts at $0/month on the Developer plan. A free plan is also available.
Does Fiddler AI have a free plan?
Yes. Fiddler AI offers a free plan called "Free". It includes: Real-time guardrails to detect harmful exposure, Protects against hallucinations, Toxicity, PII/PHI, Prompt Injection, and Jailbreak attempts, Latency of <100ms.
What are alternatives to Fiddler AI?
Alternatives to Fiddler AI include LangChain, LlamaIndex, Arize AI, Weights & Biases. MLflow is fully free. LangChain starts at $39/month, billing unit not specified; Arize AI starts at $50/month, billing unit not specified; Weights & Biases starts at $60/month, billing unit not specified.
Fiddler AI alternatives
Direct competitors. Starting prices match the table above.
Sources
- Official Fiddler AI pricing: www.fiddler.ai/pricing (verified Oct 2026)
- Cite this data: Toolradar, Fiddler AI pricing verified Oct 2026, toolradar.com/tools/fiddler-ai/pricing
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