Free and open first
Best Machine Learning Model Monitoring Software in 2026
Machine learning model monitoring software helps teams keep watch on models after deployment. When comparing options, look at the alert channels available, how they check for bias and data quality, and whether they track drift and model performance. Deployment options, free plans, included model limits, and starting paid prices can also shape the fit. Evidently AI and Deepchecks are among the entries, alongside NannyML and Opik. The rankings compare these products on the listed monitoring, deployment, and pricing details, so consider which capabilities and limits matter for your models and workflow.
- 20 apps
- Research read 23 Sept 2026
- How the order is worked out
- 1
Deepchecks
Free plan Open source APILinuxMac+2 - 2
Evidently AI
Free plan Open source APILinuxMac+3Evidently AI covers evaluation, tracing, synthetic data and ongoing monitoring across AI and ML workflows. Review plan limits and support levels against the scale and deployment option you need.
- 3
NannyML
Free plan Open source APILinuxSelf-hosted+1NannyML combines drift monitoring with estimates of model performance and business impact. Check the deployment and backup details, as well as plan limits, against your monitoring requirements.
- 4
Opik
Free plan Open source APILinuxMac+3Opik brings tracing, evaluation, testing, and production monitoring into one platform, with both cloud and self-hosted options.
- 5
Arize AX
Free plan APISelf-hostedWebArize AX combines tracing, evaluations and experiments with tools for investigating agent failures.
- 6
Arize Phoenix
Free plan APISelf-hostedWebPhoenix brings tracing, evaluation, prompt inspection, and dataset experiments to AI application teams. It is free and open source, with deployment choices and usage management left to users.
- 7
Arthur
Free plan APISelf-hostedWebArthur combines agent discovery, observability, and policy controls with hosted, on-premises, and hybrid deployment choices.
- 8
Fiddler AI
Free plan APISelf-hostedWeb - 9
Galileo
Free plan APISelf-hostedWebGalileo combines evaluation, observability, and guardrails with several deployment options and developer interfaces. Check the trace allowance and SSO availability against your deployment needs.
- 10
Radicalbit AI Monitoring
Free plan APISelf-hostedWebRadicalbit AI Monitoring combines data checks, model metrics, drift analysis, and LLM tracing in a free self-hosted package.
- 11
STAMM
Free plan APILinuxMac+3Choose STAMM if you need an open-source, self-hosted framework to monitor industrial soft sensors and track model versions and results.
- 12
Pulsar
Free plan APISelf-hostedChoose Pulsar if you need a free, open-source option for monitoring production model drift and performance, with alerts and Grafana visualisation.
- 13
Alibi Detect
Free plan Linux - 14
SUPERWISE
Free trial APIExtensionLinux+4Choose SUPERWISE if your AI team needs governance controls alongside agent development, monitoring, and deployment flexibility.
- 15
Domino Model Monitor
Paid APISelf-hostedWebDomino Model Monitor combines monitoring, alerting, remediation workflows, and deployment choices for organizations managing production models.
- 16
MathWorks Modelscape Monitor
Paid APISelf-hostedWebChoose Modelscape Monitor if your financial-services team needs lifecycle monitoring, configurable dashboards, and model status alerts.
- 17
Vertex AI Vector Search
Free trial APIWebChoose Vertex AI Vector Search for cloud search, recommendations or generative AI retrieval when its embedding modes, filters and endpoint choices fit your application.
5.5 Visit site - 18
FiboRisk Model Monitoring
Paid WebFiboRisk pairs model monitoring with versioned evidence and defined organizational roles. Deployment, controls, integrations, and final commercial terms are agreed for each customer environment.
- 19
ModelOp Center
Paid APISelf-hostedModelOp Center brings governance workflows, inventory, policy controls, and monitoring into an organization’s environment.
- 20
Amazon SageMaker Model Monitor
Paid Web4.8 Visit site
#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price
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