statsmodels

Statistical modeling and econometrics in Python.

EstablishedOpen SourceLow lock-in

Pricing

Free tier

Flat rate

Adoption

Stable

License

Open Source

Data freshness

Aging · Jun 8, 2026

Overview

What is statsmodels?

Statsmodels is a Python library that provides classes and functions for the estimation of many different statistical models, as well as for conducting statistical tests and data exploration. It is particularly useful for econometric analysis and time series forecasting.

Key differentiator

Statsmodels offers a comprehensive set of statistical models and tests, making it the go-to library for econometricians and statisticians who need advanced modeling capabilities in Python.

Capability profile

Capability Radar

Ease of StartEcosystemValueMaturityFlexibilityScale Ready

Honest assessment

Strengths & Weaknesses

↑ Strengths

Comprehensive statistical models and testsmedium

Time series analysis capabilitiesmedium

Econometric modeling toolsmedium

User-friendly API for data explorationmedium

Integration with other Python libraries like NumPy, SciPy, and pandasmedium

↓ Weaknesses

Steep learning curve for non-statisticianshigh

Requires a deep understanding of statistical concepts and methodologies.

Limited support for modern machine learning techniquesmedium

Focuses more on traditional statistical models rather than state-of-the-art ML algorithms.

Performance issues with large datasetshigh

Computational efficiency can be low, particularly for complex time series and econometric models.

Sparse documentation and examples for advanced usagemedium

Documentation is detailed but lacks practical examples and tutorials for more advanced features.

Fit analysis

Who is it for?

✓ Best for

Researchers needing robust statistical modeling capabilities in Python

Econometricians who require advanced time series analysis tools

Academics working on empirical research projects

✕ Not a fit for

Developers looking for a full-stack web framework

Teams requiring real-time data processing and analytics

Cost structure

Pricing

Free Tier

Available

Open source — free to use

Starts at

$0

Model

Flat rate

Enterprise

None

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Next step

Get Started with statsmodels

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →