Arthur AI vs Galileo AI Eval: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Arthur AI and Galileo AI Eval side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Arthur AI leads on lower entry price. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Arthur AI
The full lifecycle platform for evaluating and shipping reliable AI agents fast.
Best for you if:
- • You want ensures high reliability and performance of AI systems
Galileo AI Eval
The AI observability and evaluation platform to stop AI failures before they happen.
Best for you if:
- • You want enables proactive mitigation of AI failures and hallucinations
| At a Glance | Arthur AI | Galileo AI Eval |
|---|---|---|
Starts at | Free plan, paid from $60/mo, billed monthly Premium plan | Free plan, paid from $100/mo, billed monthly Pro plan |
Category | AI Agents Testing & QA | Analytics AI Observability |
Rating | n/a | 4.4/5 G2 4.4 17 reviews |
Free plan | Yes | Yes |
Watch out for | Professional Services are an add-on | Overage fees for traces not explicitly stated |
Choose Arthur AI or Galileo AI Eval?
Choose Arthur AI if
- You want ensures high reliability and performance of AI systems
- You want reduces maintenance workload for AI models by up to 50%
- Budget matters ($60/mo, billed monthly vs $100/mo, billed monthly)
- You work in AI agents, not analytics
Choose Galileo AI Eval if
- You want enables proactive mitigation of AI failures and hallucinations
- You want accelerates AI deployment by providing clear debugging insights
- You work in analytics, not AI agents
In-Depth Analysis
Arthur AI
The full lifecycle platform for evaluating and shipping reliable AI agents fast.
Arthur AI's pricing structure is quite generous, especially with its feature-rich Free tier.
Watch out
Professional Services are an add-on
Strengths
- Pro: Ensures high reliability and performance of AI systems.
- Pro: Reduces maintenance workload for AI models by up to 50%.
- Pro: Offers robust security features with built-in guardrails.
- Pro: Highly flexible and supports a wide range of AI models and deployment environments.
- Pro: Provides comprehensive tools for the entire AI lifecycle, from experimentation to production monitoring.
Weaknesses
- Con: Advanced features like dedicated VPCs and custom evals are only available on Enterprise plans.
- Con: The free tier has limitations on data retention, use cases, and monitoring metrics.
- Con: Requires integration and setup, which might have a learning curve for new users.
Key features
Galileo AI Eval
The AI observability and evaluation platform to stop AI failures before they happen.
Galileo AI Eval's pricing appears fair, offering a generous Free tier with 5,000 traces/month.
Watch out
Overage fees for traces not explicitly stated
Strengths
- Pro: Enables proactive mitigation of AI failures and hallucinations.
- Pro: Accelerates AI deployment by providing clear debugging insights.
- Pro: Offers both pre-built and customizable evaluation tools.
- Pro: Provides real-time protection and governance for AI applications.
- Pro: Scalable and cost-effective evaluation with Luna models.
Weaknesses
- Con: Specific cons are not explicitly mentioned in the provided text.
Key features
Plans and prices: Arthur AI vs Galileo AI Eval
| Tool | Plans and prices | Source |
|---|---|---|
| Arthur AI |
| arthur.ai/pricing read Oct 15, 2026 |
| Galileo AI Eval |
| galileo.ai/pricing read Oct 20, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Arthur AI pricing and Galileo AI Eval pricing.
Key Takeaways
Arthur AI
- Lower entry price: $60/mo, billed monthly vs $100/mo, billed monthly
Galileo AI Eval
- Choose if you want the AI observability and evaluation platform to stop AI failures before they happen
What the data shows
On the data below, Arthur AI leads on lower entry price. We do not name an overall winner for this pair.
- Only Galileo AI Eval has a published user rating (4.4/5 from 17 reviews); Arthur AI has none we can show.
- Arthur AI has the lower entry price: $60/mo, billed monthly (Premium) against $100/mo, billed monthly (Pro) for Galileo AI Eval.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Arthur AI and Galileo AI Eval compare in 2026?
On the data below, Arthur AI leads on lower entry price. We do not name an overall winner for this pair. Only Galileo AI Eval has a published user rating (4.4/5 from 17 reviews); Arthur AI has none we can show. Arthur AI has the lower entry price: $60/mo, billed monthly (Premium) against $100/mo, billed monthly (Pro) for Galileo AI Eval. Both have a free plan.
What are Arthur AI and Galileo AI Eval used for?
Arthur AI: The full lifecycle platform for evaluating and shipping reliable AI agents fast. Galileo AI Eval: The AI observability and evaluation platform to stop AI failures before they happen.
What does Arthur AI cost vs Galileo AI Eval?
Arthur AI's cheapest paid plan is Premium at $60/mo, billed monthly; it also has a free plan. Galileo AI Eval's cheapest paid plan is Pro at $100/mo, billed monthly; it also has a free plan. Prices read on the vendors' pricing pages, latest check Oct 20, 2026.
What's the main difference between Arthur AI and Galileo AI Eval?
Arthur AI's main strength: ensures high reliability and performance of AI systems. Galileo AI Eval's main strength: enables proactive mitigation of AI failures and hallucinations.