Side by side
replenishment vs supplychainpy
Both stand on inventory optimization software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan
replenishment provides a focused set of simulation, optimization, and visualization workflows for stock policies in Python. Its Alpha status and listed future-work areas are relevant considerations for teams evaluating its scope.
Visit replenishment Free plan APILinuxMac+2
supplychainpy provides inventory analysis, forecasting, and reporting features for commercial planning analysts. Its maker’s warning about production use and a changeable API is important to weigh before adoption.
Visit supplychainpyThe facts
| replenishment | supplychainpy | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Not published | API, Linux, Mac, Self-hosted, Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | github.com | supplychainpy.org |
| On inventory optimization software | #4 of 25 | #1 of 25 |
replenishment: what it does well
- Supports historical or synthetic demand scenarios.
- Includes mean-forecast, k*RMSE/k*MAE, and percentile policies.
- Visualizes policy comparisons on replenishment time series.
- Tested on Python 3.10 through 3.13.
- Uses the MIT license.
What to know first
- Package status is classified as Alpha.
- Minimum order quantities are listed as future work.
- Case-pack constraints are listed as future work.
- Promotion-aware demand handling is listed as future work.
supplychainpy: what it does well
- Free BSD-3-licensed library.
- Includes safety stock optimization and service-level targets.
- Reporting includes KPIs and a recommendations feed.
- Accepts CSV files and Pandas DataFrames.
- Documents local reporting on Linux, Mac, and Windows.
What to know first
- Maker says it is unsuitable for production.
- API may change during early development.
- ARIMA models are under development.
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