Evidently AIOpen-source AI evaluation and observability
vs
Fiddler AIThe Control Plane for Enterprise AI Agents
Comparison · MLOps Platforms · weekly run Nov 2
Evidently AI vs Fiddler 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 0.6 for Fiddler AI.
Choose Evidently AI if…
- You want the brand AI engines rank higher (2.4 vs 0.6)
- AI answers describe it more positively (50% vs 0% positive)
- Listed as a monitoring option in vendor-neutral ML stacks
- Named alongside Prometheus and Grafana in monitoring setups
Choose Fiddler AI if…
- You need a self-hosted or on-premises option
- You need SOC 2 Type II or HIPAA coverage
- You prefer a larger, established vendor (51–200 employees)
- Integrates with observability and logging tools
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Evidently AI | Fiddler AI |
|---|---|---|
| Visibility score | 2.4% | 0.6% |
| Change vs last week | New | New |
| Rank in MLOps Platforms | #25 | #44 |
| Share of voice | 0.9% | 0.3% |
| Mentions this run | 7 | 2 |
| Positive in AI answers | 50% | 0% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Evidently AI 0pp · Fiddler AI 0pp over 0 weekly runs.
Engine by engine
Evidently AI leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
Evidently AIFiddler AI
Head to head in AI answers
0 engine answers name both brands
0Evidently AI ranked higher
0Fiddler AI ranked higher
Features, pricing & fit
| Dimension | Evidently AI | Fiddler AI |
|---|---|---|
| Pricing model | — | Usage-based |
| Entry price | — | Free; paid from $0.002 / mo |
| Free plan | — | Yes |
| Deployment | The open-source version runs on the customer's own infrastructure; Evidently Cloud runs on managed infrastructure. | SaaS, VPC, or on-premises |
| Integrations | — | 100+ |
| Compliance | — | SOC 2 Type II, HIPAA |
| Support | — | White-glove support with dedicated communication channels, Named Customer Success Manager on the Enterprise plan |
| Founded | 2020 | 2018 |
| Headquarters | San Francisco, CA, United States | Palo Alto, California, United States |
| Employees | 1–10 | 51–200 |
| Funding | Seed · $1M raised | Series B extension · $100M raised |
| Best for | AI and ML teams that want open-source evaluation, testing and monitoring for LLM applications and predictive models. | Enterprises deploying AI agents and predictive models, especially highly regulated industries such as financial services, healthcare, insurance and government. |
Plans side by side
Evidently AI
Pricing not available.
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
Fiddler AI
- Integrates with observability and logging tools
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Evidently AI vs Fiddler AI”, https://slateindex.ai/compare/evidently-ai-vs-fiddler-ai, data of Nov 2, 2026. Licence: CC BY 4.0.