# Arthur Shield vs HiddenLayer

| Attribute | Arthur Shield | HiddenLayer |
|---|---|---|
| **Vioscale score** | 62 (56% (medium)) | 59.4 (21% (low)) |
| deployment.options | `{"cloud":true,"hybrid":true,"on_prem":true,"self_hosted":true}` | `{"cloud":true,"hybrid":true,"on_prem":true}` |
| description.long | An AI governance system that helps teams find all AI agents in their environment, assess their risk, enforce policies, and monitor performance—supporting various deployment models from cloud to on-premises, with compliance features for regulated industries. | A security platform that discovers AI assets, validates model supply chains against vulnerabilities and backdoors, simulates adversarial attacks on AI systems, and enforces runtime protections against inference attacks, model extraction, and model theft without requiring access to proprietary model data. |
| features.capabilities | `{"iso_27001":false,"soc2_type_ii":true,"pricing_model":"flat_enterprise_tier","architecture_model":"managed_cloud_inline_proxy","rag_retrieval_chunk_poisoning_defense":true,"prompt_injection_and_jailbreak_blocking":true,"inbound_pii_and_credit_card_masking_redaction":true,"streaming_token_interception_and_chunked_eval":true,"sub_50ms_latency_guarantees_for_proxy_routing":false,"custom_regex_and_deterministic_denylist_rulesets":true,"outbound_toxicity_and_competitor_mention_blocking":true,"zero_data_retention_and_prompt_privacy_guarantees":false,"hallucination_and_topical_off_brand_drift_detection":true}` | `{"iso_27001":true,"soc2_type_ii":true,"architecture_model":"managed_cloud_inline_proxy","rag_retrieval_chunk_poisoning_defense":true,"prompt_injection_and_jailbreak_blocking":true,"zero_data_retention_and_prompt_privacy_guarantees":true}` |
| integrations.count | 7 | 11 |
| integrations.list | `[{"name":"OpenTelemetry"},{"name":"Snowflake"},{"name":"AWS Bedrock"},{"name":"Google Vertex AI"},{"name":"AWS"},{"name":"MCP"},{"name":"Claude Code"}]` | `[{"name":"CI/CD"},{"name":"MLOps"},{"name":"Data Pipelines"},{"name":"SIEM/SOAR"},{"name":"Microsoft Azure"},{"name":"AWS"},{"name":"Google Cloud Platform"},{"name":"TensorFlow"},{"name":"PyTorch"},{"name":"Microsoft AI Studio"},{"name":"Truefoundry AI Gateway"}]` |
| market.availability | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"web":true}` | - |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Free SaaS","summary":"Free","commitment":"monthly","components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"For small teams getting started with AI","contactSales":false,"includedLimits":{"evals":"3000","users":"unlimited","inferences":"unlimited"}},{"free":false,"name":"Premium SaaS","summary":"$60/mo","commitment":"monthly","components":[{"kind":"fixed","amount":60,"period":"month","currency":"USD"}],"description":"For AI native start-ups and growing orgs","contactSales":false,"includedLimits":{"evals":"75000"}},{"free":false,"name":"Enterprise On-Prem","summary":"Custom pricing","description":"For teams with advanced needs or global scale; includes dedicated and managed VPC options with customized workflows","contactSales":true}],"summary":"Free tier with unlimited evals. Premium SaaS from $60/mo. Custom enterprise pricing.","currency":"USD","freeTier":true,"sourceUrl":"https://www.arthur.ai/pricing-2025","retrievedAt":"2026-08-25T21:47:32.136Z","startingPrice":{"amount":60,"period":"month","currency":"USD"},"billingPeriods":["month"]}` | - |
| pricing.free_tier | yes | - |
| pricing.model | freemium | commercial |
| pricing.price_level | high | - |
| pricing.starting_price | `{"amount":60,"currency":"USD"}` | - |
| pricing.transparent | yes | - |
| security.gdpr | yes | - |
| security.iso27001 | - | yes |
| security.soc2 | yes | yes |

## Capabilities (AI Guardrails)

| Capability | Arthur Shield | HiddenLayer |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Architecture model | Managed cloud inline proxy | Managed cloud inline proxy |
| Prompt injection and jailbreak blocking | ✓ | ✓ |
| Inbound pii and credit card masking redaction | ✓ | - |
| Outbound toxicity and competitor mention blocking | ✓ | - |
| Hallucination and topical off brand drift detection | ✓ | - |
| Sub 50ms latency guarantees for proxy routing | ✗ | - |
| Custom regex and deterministic denylist rulesets | ✓ | - |
| Streaming token interception and chunked eval | ✓ | - |
| Rag retrieval chunk poisoning defense | ✓ | ✓ |
| Zero data retention and prompt privacy guarantees | ✗ | ✓ |
| SOC2 type ii | ✓ | ✓ |
| ISO 27001 | ✗ | ✓ |
| Pricing model | Flat enterprise tier | - |

*Source: Vioscale. Generated 2026-09-01T14:26:07.882Z. "-" = undocumented, not absent.*