ArizeThe agent observability and evaluation platform.
vs
NannyMLEstimate your model performance in production without ground truth.
Comparison · MLOps Platforms · weekly run Nov 2
Arize vs NannyML
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Arize is the stronger AI pick in MLOps Platforms: it has a visibility score of 1.5 versus 0 for NannyML.
Choose Arize if…
- You want the brand AI engines rank higher (1.5 vs 0)
- You want a lower entry price ($50 vs $399)
- You need a self-hosted or on-premises option
- You need SOC 2 Type II or ISO 27001 or PCI DSS or HIPAA or GDPR coverage
Choose NannyML if…
No clear advantage in the published data.
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Arize | NannyML |
|---|---|---|
| Visibility score | 1.5% | 0% |
| Change vs last week | New | New |
| Rank in MLOps Platforms | #34 | #60 |
| Share of voice | 0.7% | 0% |
| Mentions this run | 5 | 0 |
| Positive in AI answers | 20% | — |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Arize 0pp · NannyML 0pp over 0 weekly runs.
Engine by engine
Arize leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
ArizeNannyML
Head to head in AI answers
0 engine answers name both brands
0Arize ranked higher
0NannyML ranked higher
Features, pricing & fit
| Dimension | Arize | NannyML |
|---|---|---|
| Pricing model | Flat tiers | Flat tiers |
| Entry price | Free; paid from $50 / mo | Free; paid from $399 / mo |
| Free plan | Yes | Yes |
| Deployment | SaaS, with self-hosted deployment on the Enterprise plan; Phoenix runs locally or self-hosted. | SaaS, or deployed in the customer's own cloud via NannyML Cloud; self-managed via the open-source library |
| Integrations | 40+ | — |
| Compliance | SOC 2 Type II, ISO 27001, PCI DSS, HIPAA, GDPR | — |
| Support | Community, Email, Dedicated support on Enterprise | Email, Private Slack, 24/7 support, Dedicated data scientist |
| Founded | 2020 | — |
| Headquarters | — | Leuven, Belgium |
| Employees | 51–200 | 11–50 |
| Funding | Series B-1 extension · $131M raised | Pre-seed · $2M raised |
| Best for | AI engineering teams building and running production AI agents and LLM applications who need observability and evaluations. | Data science teams that need to monitor machine learning models after deployment |
Plans side by side
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Arize vs NannyML”, https://slateindex.ai/compare/arize-vs-nannyml, data of Nov 2, 2026. Licence: CC BY 4.0.