H2O.aiThe Trusted Sovereign AI Platform
vs
Stack AIAI Agents for the Enterprise
Comparison · AI Agents · weekly run Nov 3
H2O.ai vs Stack AI
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Stack AI is the stronger AI pick in AI Agents: it has a visibility score of 1.4 versus 0.4 for H2O.ai.
Choose H2O.ai if…
- AI answers describe it more positively (29% vs 0% positive)
- You need FedRAMP High coverage
- You prefer a larger, established vendor (201–500 employees)
- Explainable, open-source-driven predictive and agentic tooling
Choose Stack AI if…
- You want the brand AI engines rank higher (1.4 vs 0.4)
- You need GDPR or ISO 27001 coverage
- hosted no-code agent builders
- free tiers for experimenting
AI visibility side by side
Latest weekly run · Nov 3
| Metric | H2O.ai | Stack AI |
|---|---|---|
| Visibility score | 0.4% | 1.4% |
| Change vs last week | New | New |
| Rank in AI Agents | #70 | #51 |
| Share of voice | 0.2% | 0.4% |
| Mentions this run | 1 | 3 |
| Positive in AI answers | 29% | 0% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
H2O.ai 0pp · Stack AI 0pp over 0 weekly runs.
Engine by engine
Stack AI leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
H2O.aiStack AI
Head to head in AI answers
0 engine answers name both brands
0H2O.ai ranked higher
0Stack AI ranked higher
Features, pricing & fit
| Dimension | H2O.ai | Stack AI |
|---|---|---|
| Pricing model | — | Usage-based |
| Entry price | — | Contact sales |
| Free plan | — | Yes |
| Deployment | On-premises, fully air-gapped, private cloud, or public cloud | Multi-tenant cloud, VPC, or on-premise |
| Integrations | — | 500+ |
| Compliance | SOC 2 Type II, HIPAA, FedRAMP High | HIPAA, GDPR, SOC 2 Type II, ISO 27001 |
| Support | Forward Deployed Engineers embedded on-site | Community support on Discord, Email support, Priority support, Dedicated support |
| Founded | 2012 | 2023 |
| Headquarters | Mountain View, California, United States | San Francisco, CA, United States |
| Employees | 201–500 | 51–200 |
| Funding | Series E · $250M raised | Series A · $19M raised |
| Best for | Regulated enterprises and public-sector agencies that need predictive, generative and agentic AI on their own infrastructure, including air-gapped deployments. | IT teams and enterprise architecture teams that need to orchestrate, deploy, govern, and scale AI across the enterprise, including finance, risk and operations teams. |
Plans side by side
H2O.ai
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
H2O.ai
- Explainable, open-source-driven predictive and agentic tooling
- Go-to platform for automated machine learning (AutoML)
- Robust enterprise modeling and rapid deployment
- Listed among enterprise end-to-end MLOps platforms
Stack AI
- hosted no-code agent builders
- free tiers for experimenting
- solid G2 and Slashdot ratings
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “H2O.ai vs Stack AI”, https://slateindex.ai/compare/h2o-ai-vs-stack-ai, data of Nov 3, 2026. Licence: CC BY 4.0.