Fiddler AIThe Control Plane for Enterprise AI Agents
vs
Neptune.aiExperiment tracker purpose-built for foundation model training.
Comparison · MLOps Platforms · weekly run Nov 2
Fiddler 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 0.6 for Fiddler AI.
Choose Fiddler AI if…
- You need more native integrations (100+ vs 25+)
- You need SOC 2 Type II or HIPAA coverage
- Integrates with observability and logging tools
Choose Neptune.ai if…
- You want the brand AI engines rank higher (2.6 vs 0.6)
- AI answers describe it more positively (25% vs 0% positive)
- Collaboration-first dashboard for tracking experiments
- Lightweight metadata store built for experiment tracking
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Fiddler AI | Neptune.ai |
|---|---|---|
| Visibility score | 0.6% | 2.6% |
| Change vs last week | New | New |
| Rank in MLOps Platforms | #44 | #24 |
| Share of voice | 0.3% | 0.6% |
| Mentions this run | 2 | 4 |
| Positive in AI answers | 0% | 25% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Fiddler AI 0pp · Neptune.ai 0pp over 0 weekly runs.
Engine by engine
Neptune.ai leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
Fiddler AINeptune.ai
Head to head in AI answers
0 engine answers name both brands
0Fiddler AI ranked higher
0Neptune.ai ranked higher
Features, pricing & fit
| Dimension | Fiddler AI | Neptune.ai |
|---|---|---|
| Pricing model | Usage-based | — |
| Entry price | Free; paid from $0.002 / mo | — |
| Free plan | Yes | — |
| Deployment | SaaS, VPC, or on-premises | 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 | 100+ | 25+ |
| Compliance | SOC 2 Type II, HIPAA | — |
| Support | White-glove support with dedicated communication channels, Named Customer Success Manager on the Enterprise plan | — |
| Founded | 2018 | 2017 |
| Headquarters | Palo Alto, California, United States | Palo Alto, California, United States |
| Employees | 51–200 | 51–200 |
| Funding | Series B extension · $100M raised | Series A · $18M raised |
| Best for | Enterprises deploying AI agents and predictive models, especially highly regulated industries such as financial services, healthcare, insurance and government. | Teams training foundation models and other large-scale machine learning models that need to monitor GPT-scale training runs. |
Plans side by side
Neptune.ai
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
Fiddler AI
- Integrates with observability and logging tools
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, “Fiddler AI vs Neptune.ai”, https://slateindex.ai/compare/fiddler-ai-vs-neptune-ai, data of Nov 2, 2026. Licence: CC BY 4.0.