Arize vs Evidently AI
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Evidently AI is the stronger AI pick in MLOps Platforms: it has a visibility score of 2.4 versus 1.5 for Arize, and ranks ahead in 67% of the answers that name both.
Choose Arize if…
- 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
- You prefer a larger, established vendor (51–200 employees)
Choose Evidently AI if…
- You want the brand AI engines rank higher (2.4 vs 1.5)
- AI answers describe it more positively (50% vs 20% positive)
- Listed as a monitoring option in vendor-neutral ML stacks
- Named alongside Prometheus and Grafana in monitoring setups
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Arize | Evidently AI |
|---|---|---|
| Visibility score | 1.5% | 2.4% |
| Change vs last week | New | New |
| Rank in MLOps Platforms | #34 | #25 |
| Share of voice | 0.7% | 0.9% |
| Mentions this run | 5 | 7 |
| Positive in AI answers | 20% | 50% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Arize 0pp · Evidently AI 0pp over 0 weekly runs.
Engine by engine
Evidently AI leads on 2 of 3 engines
Head to head in AI answers
3 engine answers name both brands
| Prompt | Engine | Arize | Evidently AI |
|---|---|---|---|
| What should an MLOps platform integrate with? | ChatGPT | #18 | #19 |
| What are the best MLOps Platforms tools in 2026? | ChatGPT | #17 | #16 |
| Alternatives to the most popular MLOps platform | Perplexity | #20 | #19 |
Features, pricing & fit
| Dimension | Arize | Evidently AI |
|---|---|---|
| Pricing model | Flat tiers | — |
| Entry price | Free; paid from $50 / mo | — |
| Free plan | Yes | — |
| Deployment | SaaS, with self-hosted deployment on the Enterprise plan; Phoenix runs locally or self-hosted. | The open-source version runs on the customer's own infrastructure; Evidently Cloud runs on managed infrastructure. |
| Integrations | 40+ | — |
| Compliance | SOC 2 Type II, ISO 27001, PCI DSS, HIPAA, GDPR | — |
| Support | Community, Email, Dedicated support on Enterprise | — |
| Founded | 2020 | 2020 |
| Headquarters | — | San Francisco, CA, United States |
| Employees | 51–200 | 1–10 |
| Funding | Series B-1 extension · $131M raised | Seed · $1M raised |
| Best for | AI engineering teams building and running production AI agents and LLM applications who need observability and evaluations. | AI and ML teams that want open-source evaluation, testing and monitoring for LLM applications and predictive models. |
Plans side by side
Evidently AI
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
Arize
Profile in progress.
Evidently AI
- Listed as a monitoring option in vendor-neutral ML stacks
- Named alongside Prometheus and Grafana in monitoring setups
- Grouped with Arize and WhyLabs as a monitoring tool
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Arize vs Evidently AI”, https://slateindex.ai/compare/arize-vs-evidently-ai, data of Nov 2, 2026. Licence: CC BY 4.0.