Eval & observability AI tools
Eval, tracing, and monitoring tools for production LLM apps.
How to choose eval & observability AI tools
- Run one real task you already understand — not a vendor demo
- Check privacy, retention, and commercial license for your use case
- Compare two alternatives with the same success check before you commit
Related guides
| Tool | Pricing | Summary | Actions |
|---|---|---|---|
| Adk Python | Free | An open-source, code-first Python toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control. | DetailsVisit |
| Arize Phoenix | Freemium | Arize Phoenix is a evaluation and observability tool for everyday AI workflows. It typically offers a freemium model (free tier plus paid u… | DetailsVisit |
| Awesome Semantic Segmentation | Free | Use Awesome Semantic Segmentation when you need evaluation and observability help with drafts, iteration, and faster first passes. Pricing… | DetailsVisit |
| Braintrust | Freemium | Braintrust is a evaluation and observability tool for everyday AI workflows. It typically offers a freemium model (free tier plus paid upgr… | DetailsVisit |
| Helicone | Freemium | Use Helicone when you need evaluation and observability help with drafts, iteration, and faster first passes. Pricing is a freemium model (… | DetailsVisit |
| Kedro | Free | Kedro is a toolbox for production-ready data science. It uses software engineering best practices to help you create data engineering and d… | DetailsVisit |
| Langfuse | Freemium | Langfuse helps with evaluation and observability work across drafting and review loops. Expect a freemium model (free tier plus paid upgrad… | DetailsVisit |
| LangSmith | Freemium | LangSmith helps with evaluation and observability work across drafting and review loops. Expect a freemium model (free tier plus paid upgra… | DetailsVisit |
| Mlops Zoomcamp | Free | Mlops Zoomcamp helps with evaluation and observability work across drafting and review loops. Expect a free plan; compare quality on your o… | DetailsVisit |
| promptfoo | Freemium | promptfoo sits in the Eval & observability category. Teams pick it for evaluation and observability tasks, then apply a human verification… | DetailsVisit |
| Weights & Biases | Freemium | Weights & Biases is a evaluation and observability tool for everyday AI workflows. It typically offers a freemium model (free tier plus pai… | DetailsVisit |
| Agenta | Freemium | Agenta is a evaluation and observability tool for everyday AI workflows. It typically offers a freemium model (free tier plus paid upgrades… | DetailsVisit |
| Arize AI | Enterprise | Arize AI helps with evaluation and observability work across drafting and review loops. Expect enterprise pricing; compare quality on your… | DetailsVisit |
| Arthur | Enterprise | Arthur sits in the Eval & observability category. Teams pick it for evaluation and observability tasks, then apply a human verification bar… | DetailsVisit |
| Awesome Face Recognition | Free | papers about Face Detection; Face Alignment; Face Recognition && Face Identification && Face Verification && Face Representation; Face Reco… | DetailsVisit |
| Btrace | Free | Btrace helps with evaluation and observability work across drafting and review loops. Expect a free plan; compare quality on your own conte… | DetailsVisit |
| ClearML | Freemium | ClearML sits in the Eval & observability category. Teams pick it for evaluation and observability tasks, then apply a human verification ba… | DetailsVisit |
| Comet | Freemium | Comet helps with evaluation and observability work across drafting and review loops. Expect a freemium model (free tier plus paid upgrades)… | DetailsVisit |
| Confident AI | Freemium | Confident AI helps with evaluation and observability work across drafting and review loops. Expect a freemium model (free tier plus paid up… | DetailsVisit |
| Datadog LLM Obs | Paid | Datadog LLM Obs sits in the Eval & observability category. Teams pick it for evaluation and observability tasks, then apply a human verific… | DetailsVisit |
| Datadog LLM Observability | Paid | Datadog LLM Observability helps with evaluation and observability work across drafting and review loops. Expect paid plans; compare quality… | DetailsVisit |
| Deepchecks | Freemium | Deepchecks is a evaluation and observability tool for everyday AI workflows. It typically offers a freemium model (free tier plus paid upgr… | DetailsVisit |
| Deep Person Reid | Free | Use Deep Person Reid when you need evaluation and observability help with drafts, iteration, and faster first passes. Pricing is a free pla… | DetailsVisit |
| Domino Data Lab | Freemium | Use Domino Data Lab when you need evaluation and observability help with drafts, iteration, and faster first passes. Pricing is a freemium… | DetailsVisit |
| Evidently AI | Freemium | Evidently AI helps with evaluation and observability work across drafting and review loops. Expect a freemium model (free tier plus paid up… | DetailsVisit |
| Expr | Free | Expr is a evaluation and observability tool for everyday AI workflows. It typically offers a free plan; verify limits, data handling, and c… | DetailsVisit |
| Fast Agent | Free | Fast Agent is a evaluation and observability tool for everyday AI workflows. It typically offers a free plan; verify limits, data handling,… | DetailsVisit |
| Fast Reid | Free | Fast Reid helps with evaluation and observability work across drafting and review loops. Expect a free plan; compare quality on your own co… | DetailsVisit |
| Fiddler AI | Enterprise | Fiddler AI sits in the Eval & observability category. Teams pick it for evaluation and observability tasks, then apply a human verification… | DetailsVisit |
| Galileo | Freemium | Galileo is a evaluation and observability tool for everyday AI workflows. It typically offers a freemium model (free tier plus paid upgrade… | DetailsVisit |
| Giskard | Freemium | Giskard is a evaluation and observability tool for everyday AI workflows. It typically offers a freemium model (free tier plus paid upgrade… | DetailsVisit |
| Hierarchical Localization | Free | Hierarchical Localization sits in the Eval & observability category. Teams pick it for evaluation and observability tasks, then apply a hum… | DetailsVisit |
| HoneyHive | Freemium | HoneyHive helps with evaluation and observability work across drafting and review loops. Expect a freemium model (free tier plus paid upgra… | DetailsVisit |
| Humanloop | Freemium | Humanloop helps with evaluation and observability work across drafting and review loops. Expect a freemium model (free tier plus paid upgra… | DetailsVisit |
| InjectionIII | Free | InjectionIII sits in the Eval & observability category. Teams pick it for evaluation and observability tasks, then apply a human verificati… | DetailsVisit |
| Kubeval | Free | Validate your Kubernetes configuration files, supports multiple Kubernetes versions | DetailsVisit |
| Langfuse Repo | Free | Langfuse Repo is a evaluation and observability tool for everyday AI workflows. It typically offers a free plan; verify limits, data handli… | DetailsVisit |
| LangWatch | Freemium | LangWatch helps with evaluation and observability work across drafting and review loops. Expect a freemium model (free tier plus paid upgra… | DetailsVisit |
| Lightning Hydra Template | Free | PyTorch Lightning + Hydra. A very user-friendly template for ML experimentation. ⚡🔥⚡ | DetailsVisit |
| Lucene | Free | Lucene is a evaluation and observability tool for everyday AI workflows. It typically offers a free plan; verify limits, data handling, and… | DetailsVisit |
| Lucene Solr | Free | Lucene Solr is a evaluation and observability tool for everyday AI workflows. It typically offers a free plan; verify limits, data handling… | DetailsVisit |
| Mangayomi | Free | Free and open source application for reading manga, novels, and watching animes available on Android, iOS, macOS, Linux and Windows | DetailsVisit |
| MLflow | Free | MLflow sits in the Eval & observability category. Teams pick it for evaluation and observability tasks, then apply a human verification bar… | DetailsVisit |
| Neptune | Freemium | Use Neptune when you need evaluation and observability help with drafts, iteration, and faster first passes. Pricing is a freemium model (f… | DetailsVisit |
| New Relic AI Monitoring | Paid | New Relic AI Monitoring is a evaluation and observability tool for everyday AI workflows. It typically offers paid plans; verify limits, da… | DetailsVisit |
| OpenInference | Free | OpenInference sits in the Eval & observability category. Teams pick it for evaluation and observability tasks, then apply a human verificat… | DetailsVisit |
| OpenLLMetry | Free | OpenLLMetry sits in the Eval & observability category. Teams pick it for evaluation and observability tasks, then apply a human verificatio… | DetailsVisit |
| Opentelemetry Dotnet | Free | Opentelemetry Dotnet helps with evaluation and observability work across drafting and review loops. Expect a free plan; compare quality on… | DetailsVisit |