EU Sovereignty Score
Non-EU vendorAI SecurityHeadquarters: US

Fiddler AI: sovereignty score and 8 European alternatives

Fiddler AI offers a commercial platform that it describes as a control plane for AI, designed to monitor, evaluate and govern AI agents and predictive models. It covers continuous evaluations, observability for agents and ML models, policy enforcement through guardrails on requests and responses, and governance, risk and compliance functions. According to the vendor, the platform detects and redacts personal data and secrets before prompts reach a model, and records every enforcement decision in an audit trail. Fiddler also describes how its features support transparency, human oversight and record keeping under the EU AI Act.

Fiddler AI is a US company headquartered in Palo Alto, California. The platform is not open source. According to its website it can be deployed as SaaS, in a VPC or in AWS GovCloud, and the Enterprise plan can also run on-premises. For European organisations these are relevant options for keeping data in an environment they control; the vendor nonetheless remains a company under US jurisdiction, and the website names no European hosting region.

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Sovereignty score
17 / 1000 = high exposure
100 = sovereign
  • Jurisdiction SOV-210
    Headquartered in the US: CLOUD Act and FISA 702
  • Data residency SOV-30
    No hosting in Europe (US)
  • Cryptographic key sovereignty SOV-320
    Key management with a non-European vendor
  • Freedom from lock-in SOV-640
    Closed source: switching requires data migration
  • Source & runtime sovereignty SOV-4 · SOV-615
    Closed source, runtime with the vendor

SOV codes: the matching objective in the European Commission's Cloud Sovereignty Framework. Official source

How the score is calculated

Facts and evidence

Last checked October 6, 2026
Headquarters
US (US)Verified by hand
EU adequacy decision
Only for companies individually certified under the EU-US Data Privacy FrameworkVerified by hand
Sovereignty model
Vendor-hosted (non-EU)Verified by hand
Data hosting
USVerified by hand
Open-source
NoVerified by hand
GDPR-compliant
YesVendor-stated
Category
AI Security
Type
Product
Website
fiddler.ai ↗

How we verify · Something wrong? Suggest a correction

Top EU-based & GDPR-compliant alternatives to Fiddler AI

The European alternatives to Fiddler AI come from our knowledge base of over 8,000 vendors. We only list vendors headquartered in the EU or the EEA; fully European-owned vendors rank before vendors with a foreign owner. For each alternative you see the country, the open-source status and a short description.

Score per alternative: 0 = high exposure, 100 = sovereign

19 European AI Security vendors are in the catalogue. View the whole category · Submit an alternative · View category on the map

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Why digital sovereignty matters with Fiddler AI

Fiddler AI is headquartered in the United States. US vendors fall under the CLOUD Act and FISA 702: US authorities can compel access to data, even when that data sits in a European data centre. That is the core of the jurisdictional exposure in our model.

Fiddler AI hosts data outside the EU (US). Personal data therefore leaves the EU, which requires a transfer mechanism under the GDPR and pulls the data residency score down.

Fiddler AI is closed source and hosted by the vendor. The encryption keys and the runtime sit with the vendor and switching requires data migration. Ask about bring-your-own-key, export options and open standards.

What this means for your organisation depends on your whole stack and context. The free assessment weighs Fiddler AI together with your other vendors and gives a total score, a heatmap and the main risk drivers.

Frequently asked questions

What is the best European alternative to Fiddler AI?

It depends on your use case. Strong EU alternatives to Fiddler AI include 2021.AI GRACE, CalypsoAI and Giskard. On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.

Are there open-source alternatives to Fiddler AI?

Yes. Open-source EU alternatives to Fiddler AI include Giskard, Invariant Labs and Mistral Shieldstral. These keep your data fully under your own control and let you self-host if you want to.

Is Fiddler AI GDPR-compliant and where is the data hosted?

Fiddler AI is headquartered in US and hosts data in US. The vendor states it is GDPR-compliant, but the data falls under non-EU jurisdiction. For full EU data residency the EU alternatives on this page usually offer more certainty.

Details and sources

Verified by handHeadquarters, owner, hosting locations and licence have been checked by us against public sources. Free of charge and for every vendor, not a paid label. Nothing in this knowledge base is taken over automatically. Last checked on October 6, 2026.

Sources

Public sources used in the latest check of this record.

Compliance evidence

The links below point to the vendor's own public documents. We only record what we found: a missing link means "not found publicly", not "not compliant".

No public compliance evidence has been recorded for this vendor yet. Do you know its DPA or subprocessor list? Something wrong? Suggest a correction

Digital sovereignty in AI Security

AI Security: Security for AI/LLM systems — prompt-injection detection, AI red-teaming, agentic security posture management and AI governance guardrails. In this category the choice of vendor determines who has legal access to your data, where that data lives and how easily you can switch later.

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8 European alternatives to Fiddler AI — GDPR-compliant & EU-hosted · EU Sovereignty Score