Arthur vs Holistic AI
Side-by-side comparison of framework coverage, pricing, capabilities, and target customers. Last verified recently.
https://aicompliancevendors.com/compare/arthur-vs-holistic-aiArthur
Performance and safety for LLMs and classic ML.
Arthur is an AI performance and safety platform founded in 2018 and headquartered in New York City. The platform provides monitoring, explainability, and bias detection for production ML, plus Arthur Shield for LLM firewall and red-teaming. Arthur raised a $42M Series B in September 2022 led by Acrew Capital and Greycroft, bringing total funding to approximately $56M.
Holistic AI
End-to-end AI governance built on UCL-grounded research.
Holistic AI is an enterprise AI governance platform founded in 2020 and spun out of University College London by Dr. Adriano Koshiyama and Dr. Emre Kazim. Headquartered in London with a US presence, Holistic AI provides model discovery, risk assessment, bias and robustness testing, and continuous monitoring across an organization's AI portfolio — including agents, LLMs, and classic ML. The company has built a strong research footprint in algorithmic auditing.
What the data shows
We haven't published an editorial verdict on this pair yet. The comparison below is built from public vendor materials and our taxonomy — no editorialized ranking.
- Shared framework coverage: EU AI Act, GDPR Art. 22, NIST AI RMF
- Only Holistic AI covers: Colorado AI Act, ISO/IEC 42001, NYC LL 144, UK AI Framework
- Shared capabilities: 6 of 10 listed.
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At a glance
| Attribute | Arthur | Holistic AI |
|---|---|---|
| Founded | 2018 | 2020 |
| Headquarters | New York, United States | London, United Kingdom |
| Employees | 51-200 | 51-200 |
| Funding | $56M total (Series B, September 2022) | Seed + Series A (undisclosed) |
| Pricing | Shield has a free tier; enterprise monitoring is contact-only. | Enterprise-only with modular pricing by use case. |
| Website | Visit site | Visit site |
Framework coverage
| Framework | Arthur | Holistic AI |
|---|---|---|
| Colorado AI Act | — | Full |
| EU AI Act | Partial | Full |
| GDPR Art. 22 | Partial | Partial |
| ISO/IEC 42001 | — | Full |
| NIST AI RMF | Partial | Full |
| NYC LL 144 | — | Full |
| UK AI Framework | — | Partial |
Capabilities
| Capability | Arthur | Holistic AI |
|---|---|---|
| AI Model Inventory | ✓ | ✓ |
| Audit Evidence Collection | ✓ | ✓ |
| Bias & Fairness Testing | ✓ | ✓ |
| Explainability | ✓ | ✓ |
| LLM Guardrails & Content Filtering | ✓ | — |
| LLM Red Teaming | — | ✓ |
| Model Monitoring | ✓ | ✓ |
| Policy Management | ✓ | ✓ |
| Regulatory Intelligence | — | ✓ |
| Risk Assessment Workflow | — | ✓ |
Industries served
Arthur
- Financial Services
- Healthcare
- Insurance
- SaaS & Technology
- Defense & National Security
Holistic AI
- Financial Services
- Healthcare
- Insurance
- Employment & HR
- SaaS & Technology
Integrations
Arthur
- AWS SageMaker
- Google Vertex AI
- Databricks
- Snowflake
- OpenAI API
- Anthropic API
- GitHub
Holistic AI
- AWS SageMaker
- Azure ML
- Google Vertex AI
- Databricks
- Snowflake
- MLflow
- GitHub
- OpenAI API
- Anthropic API
- ServiceNow
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Editorial independence: This comparison is free and was not paid for by either vendor. See our methodology.