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FreeFreePremium$60/moEnterpriseCustom
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All Arthur AI Plans & Pricing

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What does Arthur AI actually cost you?

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Tier
Billing
Your projected cost$1.5Kper month · $60/unit × 25units
Year 1 license$18K12 months at this rate
At a glance

List price by tier (annualized, per unit)

Per-unit list price across Arthur AI's plans, annualized. Custom-priced tiers show a hatched bar.

FreeCustom
Premium$720/yr
EnterpriseCustom
Quick Answer
Last verified:
High confidence

Arthur AI costs Free to $60 per mo as of July 2026, with 3 plans available including a free tier. Plans: Free (free), and Premium at $60/mo. Enterprise pricing is available on request. Pricing depends on your chosen tier, contract length, and negotiated discounts.

Use the interactive pricing calculator to estimate your exact cost based on team size and requirements.

  • Free tier: Yes

Arthur AI offers 3 pricing tiers: Free, Premium, Enterprise. A free plan is available. Paid plans include Premium at $60/mo.

Compared to other ai evaluation & guardrails software, Arthur AI is positioned at the mid-market price point.

  • 16 documented hidden costs beyond list price
Last verified: | Sources: 1 pricing pages and reviews

How much does Arthur AI cost?

Arthur AI offers 3 pricing plans, starting with a free tier and scaling to custom enterprise pricing. Plans include Free (free), Premium at $60/mo, Enterprise (custom pricing).

Arthur AI Pricing Overview

Arthur AI has 3 pricing plans, including a free tier. Paid plans range from $0 to $60/mo. The Free plan is free. The Premium plan costs $60/mo. The Enterprise plan requires contacting sales for a custom quote.

There are at least 16 documented hidden costs beyond Arthur AI's list price, including implementation, training, and add-on fees.

This pricing was last verified in June 14, 2026 from 1 independent source.

Try Arthur AI Free

Arthur AI offers a Free plan for users to get started. Paid plans include Premium and Enterprise options. Pricing is available on a monthly basis for some plans.

How Arthur AI Pricing Compares

Compare Arthur AI pricing against top alternatives in AI Evaluation & Guardrails.

DeepEval (Confident AI) $0-$49.99/month View pricing → Guardrails AI Free View pricing → Lakera Free View pricing →

Compare Arthur AI vs Alternatives

Before committing to Arthur AI, compare pricing with these 3 alternatives in the same category.

VSDeepEval (Confident AI)
Free

Developer CI/CD

Compare pricing
VSGuardrails AI
Custom

Teams that can self-host and manage their own validation infrastructure

Compare pricing
VSLakera
Custom

Evaluation + small hobby projects

Compare pricing

All Arthur AI alternatives & migration guides

What Companies Actually Pay for Arthur AI

Review scores
Third-party review aggregates, as of Jul 2026
Top pricing complaints
The product being "too costly to purchase".A desire for "more AI services, especially in the robotics field".

How Arthur AI Pricing Compares

Software Starting Price Top Price
Arthur AI Free $60/mo
DeepEval (Confident AI) Free $49.99/month
Guardrails AI Custom Custom
Lakera Custom Custom
LangWatch Free $34/month
PromptLayer Free $500/month

Browse all AI Evaluation & Guardrails pricing →

16 Arthur AI Hidden Costs Beyond the List Price

Beyond the listed price, Arthur AI has at least 16 documented hidden costs that can significantly increase total cost of ownership.

Watch for 16 hidden costs
  • Off-budget AI Costs
    high 1 source
    industry "These costs can range from $5,000 to $50,000 for small organizations utilizing existing platform capabilities, and from $100,000 to over $500,000 for mid-sized companies undertaking comprehensive AI transformations."
  • Data Infrastructure & Readiness $60 out of every $100
    high 1 source
    industry "Data infrastructure and readiness alone may account for approximately $60 out of every $100 spent on AI projects."
  • Small Org AI Implementation $5,000 to $50,000
    medium 1 source
    industry "These costs can range from $5,000 to $50,000 for small organizations utilizing existing platform capabilities, and from $100,000 to over $500,000 for mid-sized companies undertaking comprehensive AI transformations."
  • Mid-sized Org AI Transformation $100,000 to over $500,000
    high 1 source
    industry "These costs can range from $5,000 to $50,000 for small organizations utilizing existing platform capabilities, and from $100,000 to over $500,000 for mid-sized companies undertaking comprehensive AI transformations."
  • License Sprawl
    medium 1 source
    industry "These costs can range from $5,000 to $50,000 for small organizations utilizing existing platform capabilities, and from $100,000 to over $500,000 for mid-sized companies undertaking comprehensive AI transformations."
  • Token Overconsumption
    medium 1 source
    industry "These costs can range from $5,000 to $50,000 for small organizations utilizing existing platform capabilities, and from $100,000 to over $500,000 for mid-sized companies undertaking comprehensive AI transformations."
  • Inappropriate AI Use Cases
    medium 1 source
    industry "These costs can range from $5,000 to $50,000 for small organizations utilizing existing platform capabilities, and from $100,000 to over $500,000 for mid-sized companies undertaking comprehensive AI transformations."
  • Data Starvation
    medium 1 source
    industry "These costs can range from $5,000 to $50,000 for small organizations utilizing existing platform capabilities, and from $100,000 to over $500,000 for mid-sized companies undertaking comprehensive AI transformations."
  • Compute Scarcity
    medium 1 source
    industry "Operational Overheads: Additional expenses can arise from compute scarcity, escalating CPU pricing, increased inference due to content bloat and retries, network and data transfer, compliance and audit requirements, security risk mitigation, and t..."
  • Escalating CPU Pricing
    high 1 source
    industry "Operational Overheads: Additional expenses can arise from compute scarcity, escalating CPU pricing, increased inference due to content bloat and retries, network and data transfer, compliance and audit requirements, security risk mitigation, and t..."
  • Increased Inference
    medium 1 source
    industry "Operational Overheads: Additional expenses can arise from compute scarcity, escalating CPU pricing, increased inference due to content bloat and retries, network and data transfer, compliance and audit requirements, security risk mitigation, and t..."
  • Network & Data Transfer
    medium 1 source
    industry "Operational Overheads: Additional expenses can arise from compute scarcity, escalating CPU pricing, increased inference due to content bloat and retries, network and data transfer, compliance and audit requirements, security risk mitigation, and t..."
  • Compliance & Audit Requirements
    high 1 source
    industry "Operational Overheads: Additional expenses can arise from compute scarcity, escalating CPU pricing, increased inference due to content bloat and retries, network and data transfer, compliance and audit requirements, security risk mitigation, and t..."
  • Security Risk Mitigation
    high 1 source
    industry "Operational Overheads: Additional expenses can arise from compute scarcity, escalating CPU pricing, increased inference due to content bloat and retries, network and data transfer, compliance and audit requirements, security risk mitigation, and t..."
  • AI System Maintenance
    medium 1 source
    industry "Operational Overheads: Additional expenses can arise from compute scarcity, escalating CPU pricing, increased inference due to content bloat and retries, network and data transfer, compliance and audit requirements, security risk mitigation, and t..."
  • Lack of Granular Cost Visibility
    high 1 source
    industry "These costs can range from $5,000 to $50,000 for small organizations utilizing existing platform capabilities, and from $100,000 to over $500,000 for mid-sized companies undertaking comprehensive AI transformations."
Tip

Ask your Arthur AI sales rep about these costs upfront. Getting them in writing before signing can save you from surprise charges later.

Full hidden costs breakdown →

Intelligence sourced from 1 independent sources
industry
Key claims include inline source attribution. Data verified against multiple independent sources. 17 source citations total.

Arthur AI Contract Terms

Arthur AI contracts do not auto-renew. Changes require advance notice. These terms are sourced from verified buyer experiences.

Contract Terms
Based on 1 verified source

Arthur AI Pricing FAQ

01 Is there a free plan available?

Yes, Arthur AI has a Free plan.

02 What is the cheapest paid plan?

The Premium plan is the cheapest paid plan at $60.0 per month.

03 Do you offer custom pricing?

Yes, Arthur AI offers custom pricing for the Enterprise plan.

Is this pricing incorrect? — we'll verify and update it.