Arize 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 Arize 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, Arize 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:
Arize AI
The AI & Agent Engineering Platform for LLM observability, evaluation, and development.
Best for you if:
- • You want provides a comprehensive, unified platform for the entire AI lifecycle from development to production
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 | Arize AI | Galileo AI Eval |
|---|---|---|
Starts at | Free plan, paid from $50/mo, billed monthly AX Pro plan | Free plan, paid from $100/mo, billed monthly Pro plan |
Category | AI Observability AI Prompt Tools | Analytics AI Observability |
Rating | 4.3/5 G2 4.3 48 reviews | 4.4/5 G2 4.4 17 reviews |
Free plan | Yes | Yes |
Watch out for | Self-hosting is an Enterprise add-on | Overage fees for traces not explicitly stated |
Choose Arize AI or Galileo AI Eval?
Choose Arize AI if
- You want provides a comprehensive, unified platform for the entire AI lifecycle from development to production
- You want offers advanced evaluation capabilities like LLM-as-a-Judge and human annotation for robust AI
- Budget matters ($50/mo, billed monthly vs $100/mo, billed monthly)
- You work in AI observability, 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 observability
In-Depth Analysis
Arize AI
The AI & Agent Engineering Platform for LLM observability, evaluation, and development.
Arize AI offers a generous free tier (AX Free) and an open-source option (Phoenix), making it highly accessible for individual developers and small teams.
Watch out
Self-hosting is an Enterprise add-on
Strengths
- Pro: Provides a comprehensive, unified platform for the entire AI lifecycle from development to production.
- Pro: Offers advanced evaluation capabilities like LLM-as-a-Judge and human annotation for robust AI.
- Pro: Built on open standards and open-source components, promoting transparency and flexibility.
- Pro: Includes an AI assistant (Alyx) to aid in debugging and accelerate development.
- Pro: Scalable for enterprise use with features like custom data limits, SOC2, and HIPAA compliance.
Weaknesses
- Con: The complexity of features might have a learning curve for new users.
- Con: Pricing for higher tiers is custom, which may require direct engagement with sales.
- Con: Specific limitations on trace spans and ingestion volume for free and lower-paid tiers.
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: Arize AI vs Galileo AI Eval
| Tool | Plans and prices | Source |
|---|---|---|
| Arize AI |
| arize.com/pricing read Oct 11, 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 Arize AI pricing and Galileo AI Eval pricing.
Key Takeaways
Arize AI
- Lower entry price: $50/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, Arize AI leads on lower entry price. We do not name an overall winner for this pair.
- User ratings rest on too few reviews to rank (4.3/5 from 48 reviews for Arize AI, 4.4/5 from 17 reviews for Galileo AI Eval; we compare ratings only above 20 reviews on both sides).
- Arize AI has the lower entry price: $50/mo, billed monthly (AX Pro) 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 Arize AI and Galileo AI Eval compare in 2026?
On the data below, Arize AI leads on lower entry price. We do not name an overall winner for this pair. User ratings rest on too few reviews to rank (4.3/5 from 48 reviews for Arize AI, 4.4/5 from 17 reviews for Galileo AI Eval; we compare ratings only above 20 reviews on both sides). Arize AI has the lower entry price: $50/mo, billed monthly (AX Pro) against $100/mo, billed monthly (Pro) for Galileo AI Eval. Both have a free plan.
What are Arize AI and Galileo AI Eval used for?
Arize AI: The AI & Agent Engineering Platform for LLM observability, evaluation, and development. Galileo AI Eval: The AI observability and evaluation platform to stop AI failures before they happen.
What does Arize AI cost vs Galileo AI Eval?
Arize AI's cheapest paid plan is AX Pro at $50/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 Arize AI and Galileo AI Eval?
Arize AI's main strength: provides a comprehensive, unified platform for the entire AI lifecycle from development to production. Galileo AI Eval's main strength: enables proactive mitigation of AI failures and hallucinations.