H2O Ratings (September 2025)
This page breaks down H2O ratings from all verified review sources to give you a clear, unbiased view of what real users think in September 2025.
We’ve aggregated the latest scores from all major platforms like Trustpilot, G2, Capterra and many more to help you understand H2O’s overall reputation. This data-driven overview will show you exactly how H2O is rated - including how it compares to competitors.
H2O's Overall Rating Summary
- Average Rating:4.6/5
- Total Reviews:253 reviews
- Sources:G2, Capterra, Trustradius, Gartner, Facebook, Trustpilot
- Last updated:September 1, 2025
H2O Ratings by Source
| Platform | Rating | Reviews | Last Update |
|---|---|---|---|
 G2 | 4.5/5 | 24+ reviews | 01.09.25 |
 Capterra | 4.6/5 | 10+ reviews | 01.09.25 |
 Trustradius | 3/5 | 15+ reviews | 01.09.25 |
 Gartner | 4.4/5 | 109+ reviews | 01.09.25 |
 Facebook | 5/5 | 94+ reviews | 04.02.25 |
 Trustpilot | 3.2/5 | 1+ reviews | 08.06.25 |
What is H2O?
H2O.ai offers an end-to-end GenAI platform for air-gapped, on-premises, or cloud VPC deployments, featuring products like H2O-Danube2-1.8B, Enterprise h2oGPTe, and H2O LLM Studio for scalable AI applications. The platform supports diverse use cases including document processing, financial analysis, and content generation, with capabilities like cost control, flexibility, and integration with various LLMs. H2O.ai also provides a GenAI App Store for developing, deploying, and sharing AI applications, and offers tools for predictive AI, such as H2O Driverless AI and H2O Document AI.
🤔 H2O vs Competitors: How Do Ratings Compare?
Check out H2O AlternativesFrequently Asked Questions
How trustworthy is H2O?
According to Gartner and G2 review sites H2O holds ratings of 4.4/5 and 4.5/5 respectively from 133 reviews, indicating that users consistently find value and reliability in the platform as of September 2025.
How many stars is H2O rated?
H2O has an average star rating of 4.6 out of 5 stars based on average of 253 reviews as of September 2025.
Where does the rating data come from?
The ratings are pulled from H2O public reviews pages on platforms: G2, Capterra, Trustradius, Gartner, Facebook, Trustpilot. We update these ratings monthly to ensure they reflect the most current customer feedback.
How overall average rating for H2O is calculated?
The overall average rating is calculated by taking the weighted average of all ratings, using the total reviews count from each platform as the weight.