Evidently AIOpen-source AI evaluation and observability
vs
Neptune.aiExperiment tracker purpose-built for foundation model training.
Comparison · MLOps Platforms · weekly run Nov 2
Evidently AI vs Neptune.ai
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Neptune.ai is the stronger AI pick in MLOps Platforms: it has a visibility score of 2.6 versus 2.4 for Evidently AI.
Choose Evidently AI if…
- AI answers describe it more positively (50% vs 25% positive)
- 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
Choose Neptune.ai if…
- You want the brand AI engines rank higher (2.6 vs 2.4)
- You need a self-hosted or on-premises option
- You prefer a larger, established vendor (51–200 employees)
- Collaboration-first dashboard for tracking experiments
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Evidently AI | Neptune.ai |
|---|---|---|
| Visibility score | 2.4% | 2.6% |
| Change vs last week | New | New |
| Rank in MLOps Platforms | #25 | #24 |
| Share of voice | 0.9% | 0.6% |
| Mentions this run | 7 | 4 |
| Positive in AI answers | 50% | 25% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Evidently AI 0pp · Neptune.ai 0pp over 0 weekly runs.
Engine by engine
Neptune.ai leads on 1 of 3 engines
ChatGPT
AI Mode
Perplexity
Evidently AINeptune.ai
Head to head in AI answers
0 engine answers name both brands
0Evidently AI ranked higher
0Neptune.ai ranked higher
Features, pricing & fit
| Dimension | Evidently AI | Neptune.ai |
|---|---|---|
| Deployment | The open-source version runs on the customer's own infrastructure; Evidently Cloud runs on managed infrastructure. | Hosted service by default, with a self-hosted option on-premises or on AWS, Google Cloud or Azure as a Kubernetes cluster, deployed as microservices via a Helm chart. |
| Integrations | — | 25+ |
| Founded | 2020 | 2017 |
| Headquarters | San Francisco, CA, United States | Palo Alto, California, United States |
| Employees | 1–10 | 51–200 |
| Funding | Seed · $1M raised | Series A · $18M raised |
| Best for | AI and ML teams that want open-source evaluation, testing and monitoring for LLM applications and predictive models. | Teams training foundation models and other large-scale machine learning models that need to monitor GPT-scale training runs. |
Pros and cons
Themes from the AI answers that mention each brand
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
Neptune.ai
- Collaboration-first dashboard for tracking experiments
- Lightweight metadata store built for experiment tracking
- Discounts on annual plans
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Evidently AI vs Neptune.ai”, https://slateindex.ai/compare/evidently-ai-vs-neptune-ai, data of Nov 2, 2026. Licence: CC BY 4.0.