Sacred
Python experiment management for reproducibility and organization.
- Status
- Generally available
- Last checked
- Checked · Oct 12, 2026
- License
- Open source
- Pricing
- Free tier · from $0
What it is
Sacred is a Python tool designed to help configure, organize, log, and reproduce experiments. It provides a standard framework that can be extended with various add-ons, making it useful for researchers and developers in machine learning and data science.
Sacred stands out as an open-source, flexible tool that provides a standardized framework for experiment management and reproducibility in Python.
When it fits — and when it doesn’t
A good fit for
Researchers who need a standardized way to log and reproduce experiments
Teams working on machine learning projects that require detailed tracking of hyperparameters and results
Developers looking for an open-source solution for experiment management
Look elsewhere if
Projects requiring real-time data processing or streaming analytics
Users who prefer a cloud-based service with managed infrastructure over self-hosted solutions
Known weaknesses
Each one links to the public issue, changelog or docs page it came from, where we have one.
- 01
Limited community support and documentation
The official documentation lacks comprehensive examples and troubleshooting guides. Community forums and Q&A sites have limited activity compared to more popular tools.
- 02
Frequent breaking changes between versions
Historical updates, such as the transition from v0.1 to v0.2, required significant rework of existing configurations and experiment definitions.
- 03
Limited scalability for large-scale experiments
Performance bottlenecks can occur with a high volume of concurrent experiments or very complex configurations, leading to slower execution times.
What it does well
Standardized experiment configuration and logging
Support for extensions through add-ons
Reproducibility of experiments
Integration with various storage backends
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 Sacred
Setup steps, common gotchas and what to check after 30 days.
Get the badge
A small badge for Sacred’s README or site: its name, “Tracked on AI Navigator”, and the availability status and check month from this page. It updates as the catalog does.
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