How much does Arthur AI cost?

As of May 2026, Arthur AI plans start at $60/mo and scale across 4 tiers. Arthur AI also offers a free plan.

Does Arthur AI offer a free plan?

As of May 2026, Arthur AI offers a free plan. You can use the free tier indefinitely without a credit card.

What pricing model does Arthur AI use?

As of May 2026, Arthur AI uses a Freemium pricing model. A free tier is available indefinitely, with paid plans for advanced features.

Are there cheaper alternatives?

Yes. Microsoft Purview (from $2/mo) offer lower starting prices in the same category.

What features are included in the Arthur AI free plan?

As of May 2026, Arthur AI offers a free plan with access to core features. Paid tiers unlock advanced functionality and higher usage limits. You can start for free without a credit card.

Home›Tools›AI Security›Arthur AI›Pricing

Arthur AI Pricing Plans and Tiers 2026

Q: Is Arthur AI worth the price?

Arthur AI offers 16 features including Model Performance Monitoring, Data Drift Detection, Bias & Fairness Analysis. With a 4.5/5 rating, most users find good value: its starting price of $60/mo is above the AI Security category average of $2/mo.

Arthur AI provides ML model monitoring for performance, fairness, and explainability in production environments.

AI SecurityFreemiumPrice verified May 15, 2026From $60/moFree plan ✓

·4 plans · ★ 4.5/5

Compare with others →Alternatives to Arthur AI →

Full Review

Plans Analysis Worth It?Price History Alternatives FAQ

All Plans & Pricing

Arthur Evals Engine

Free

Best for: Targets data science teams at financial services, healthcare, and large tech

✓Open source
✓PII/Sensitive Data detection
✓Self-serve deployment
✓Always free

Get Started Free →

Free

Best for: individuals & small teams

✓Monitor model performance
✓Cloud data connector integrations
✓Up to 4 use cases
✓Unlimited seats
✓7 days data retention

Get Started Free →

Premium

$60/mo

Best for: professional teams

✓Everything in Free
✓Customizable performance metrics
✓Custom alerting & webhook integrations
✓Up to 100 use cases
✓30 days data retention

Start Plan →

Enterprise

Custom

Best for: large enterprises

✓Everything in Premium
✓Dedicated/managed VPC
✓Custom data/jobs/traces/evals
✓Dedicated customer success manager
✓Unlimited data retention

Contact Sales →

Pricing Analysis

Overview

Arthur AI does ML monitoring and bias detection for production models. Enterprise pricing with no public rates. As of late 2024, they shifted focus to AI observability for LLMs. Expect $50k-200k/year range for meaningful deployments.

Cost Per User

Premium$60/mo

Flat rate: cost doesn't scale with team size

Which Plan Is Right for You?

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Targets data science teams at financial services, healthcare, and large tech. If you have a dedicated MLOps team and production models, schedule a full technical evaluation.

vs. Category Average

Arthur AI$60/mo

Category avg$2/mo

2900% above the ai security average

Our Verdict

Solid technical product for ML monitoring but the enterprise-only sales motion is slow. Compare with open-source alternatives like Evidently AI before spending on Arthur.

Is Arthur AI Worth the Price?

Strengths

4 points

1Best-in-class bias and fairness detection
2Arthur Bench provides rigorous LLM evaluation
3Strong in regulated industries (finance, healthcare)
4Explainability features for compliance documentation

Considerations

2 points

1Not a security firewall: more observability than prevention
2Enterprise pricing limits accessibility for smaller teams

Ideal For

Data teams needing production ML model monitoring

Which plan fits you

Enterprise — Targets data science teams at financial services, healthcare, and large tech.

Pricing Takeaway

★ 4.5/5

Solid technical product for ML monitoring but the enterprise-only sales motion is slow. Compare with open-source alternatives like Evidently AI before spending on Arthur.

2900% above category avgCategory avg: $2/mo