Fiddler AI vs Arize AI

Detailed regulatory comparison mapping timeline compliance, pricing model, technical capabilities, and data residency.

Feature / Parameter	Fiddler AI	Arize AI
HQ & Data Sovereignty	Palo Alto, USA EU-Hosted	Berkeley, USA US-Hosted
Target Role	PROVIDER DEPLOYER	PROVIDER
Pricing Tier	$1,800/mo (Enterprise)	$0 / $450/mo (Freemium)
Active 2026 Focus	Article 50 Real-time Hallucination & PII Tracking	Prompt Evals & Token Tracking
Prepare 2027/2028 (High-Risk)	Article 13 Model Explainability (XAI) & Drift Monitoring	Article 12 Production Observability & Model Drift Logs
Model Evals & Red-Teaming	✅ Supported	✅ Supported
Annex IV Technical Documentation	✅ Supported	❌ Not Available
ISO 42001 Control Mapping	❌ Not Available	❌ Not Available
Verified Audit Source	Inspect Evidence (2026-08-11) ↗	Inspect Evidence (2026-08-10) ↗

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