Observability & Monitoring

NannyML

Python library for monitoring model performance drift post-deployment.

Status
Not yet determined
Last checked
Checked · Oct 16, 2026
License
Open source
Pricing
Free tier · from $0

What it is

NannyML is a Python library that helps in capturing the impact of data drift on model performance after deployment. It allows users to estimate model performance without needing access to target labels, making it invaluable for continuous monitoring and maintenance of machine learning models.

NannyML stands out by offering a robust solution for estimating post-deployment model performance without the need for target labels, making it ideal for continuous monitoring in production environments.

When it fits — and when it doesn’t

A good fit for

  • Teams needing continuous monitoring of ML models without access to ground truth labels.

  • Projects where real-time performance estimation is critical for maintaining model reliability.

Look elsewhere if

  • Scenarios requiring real-time data drift detection and immediate corrective actions.

  • Environments with limited computational resources, as NannyML requires significant processing power.

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

  1. 01

    Performance issues with large datasets

    Processing time increases exponentially with dataset size, impacting real-time monitoring capabilities

  2. 02

    Documentation lacks depth and examples

    Core concepts are not well-explained, limited practical use cases provided in the documentation

What it does well

  • Estimates model performance without target labels post-deployment.

  • Detects data drift and its impact on model performance.

  • Provides actionable insights for maintaining model accuracy.

Pricing

Free tier
YesOpen source — free to use
Paid from
$0
Model
Flat rate
Enterprise plan
No

Pricing not independently confirmed — check the vendor’s page.

Performance benchmarks

How Fast Is It?

Set up NannyML

Setup steps, common gotchas and what to check after 30 days.

Open the setup guide →
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