Mixed Integer Programming Python Packages

highspy

Linear optimization software

amplpy

Python API for AMPL

ampltools

Python API for AMPL

m4opt

Multi-Mission Multi-Messenger Observation Planning Toolkit

pyoptinterface

Efficient modeling interface for mathematical optimization in Python

omlt

Represent trained machine learning models as Pyomo optimization formulations

highspy-extras

Linear optimization software

opvious

Python optimization SDK

localmip

A standalone local search solver for general mixed integer programming

entmoot

Multiobjective black-box optimization using gradient-boosted trees

optlens

Solver-agnostic debugger and explainer for LP/MILP models: why a model is infeasible, what fixes it, what-if and sensitivity. Python library, MCP server and Claude Code plugin; HiGHS, SCIP or your own Gurobi.

cutgeneratingfunctionology

Python code for computation and experimentation with cut-generating functions, in particular the Gomory-Johnson infinite group problem. By M. Köppe, Y. Zhou, C.Y. Hong, J. Wang with contributions by undergrad programmers

pyscipopt-ml

Python interface to automatically formulate Machine Learning models into Mixed-Integer Programs

pyrddlgym-gurobi

Gurobi compilation of RDDL description files to mixed-integer programs, and optimization tools.

benderslib

A Benders Decomposition Library in Python

minimod-opt

A mixed-integer solver that solves optimal intervention allocation across time and space (Port from GAMS)

igaos

Sovereign LP/MILP/QP solver core — from-scratch simplex, B&B, ADMM QP + GPU first-order PDHG (pip install igaos)

opti-extensions

A collection of custom data structures and user-friendly functions for mathematical optimization modeling with DOcplex, gurobipy, Xpress, and highspy.

opticlient

Official Python SDK for optimization API

optiframe

A modular framework for mixed integer programming.

bilevelpy

An extensible Python framework for building, solving, and evaluating Gurobi-based optimization models.

polyhedron-opt

Polyhedron is a domain-driven Python optimization modeling framework that turns business entities into transparent MILP/MIQP models, with built-in diagnostics, scenario analysis, and robust solver interoperability.

cloud-resource-matcher

An optimization framework to find a cost-optimal configuration of cloud services for your cloud infrastructure.

amplpyfinance

Python API for AMPL