Quimb

Spec sheet

Purpose

Quimb is a Python library for quantum information and many-body calculations, with a primary focus on tensor networks.Read 11 Oct 2026 · quimb.readthedocs.io

Free plan

YesRead 23 Sep 2026 · quimb.readthedocs.io

3D visuals

NoRead 23 Sep 2026 · quimb.readthedocs.io

Algorithms

The tensor module includes MPS, PEPS, MERA, and quantum-circuit algorithms such as DMRG and TEBD.Read 11 Oct 2026 · quimb.readthedocs.io

Analysis

Quimb can compute quantities including entanglement measures and stochastically estimate Tr f(X) quantities.Read 11 Oct 2026 · quimb.readthedocs.io

Array backends

The tensor module can use backend array libraries including JAX and PyTorch through autoray.Read 11 Oct 2026 · quimb.readthedocs.io

Assessment tools

NoRead 23 Sep 2026 · quimb.readthedocs.io

Authoring tools

NoRead 23 Sep 2026 · quimb.readthedocs.io

Circuit support

The documentation includes a quantum-circuit guide and a guide for importing OpenQASM circuits.Read 11 Oct 2026 · quimb.readthedocs.io

Delivery mode

desktopRead 23 Sep 2026 · quimb.readthedocs.io

Distribution

Quimb is available from PyPI and conda-forge, and the installation guide recommends Pixi for setup.Read 11 Oct 2026 · quimb.readthedocs.io

Exact calculations

The core module supports quantum calculations using NumPy arrays or SciPy sparse matrices, including finding ground and excited states and performing time evolution.Read 11 Oct 2026 · quimb.readthedocs.io

Lesson library

NoRead 23 Sep 2026 · quimb.readthedocs.io

Optional acceleration

The guide describes optional SLEPc and PETSc packages, with MPI dependencies, for accelerated and optionally distributed partial eigensolving, SVD, and exponentiation.Read 11 Oct 2026 · quimb.readthedocs.io

Requirements

The documented core requirements include Python 3.11 or newer, NumPy, SciPy, Numba, cytoolz, tqdm, and psutil.Read 11 Oct 2026 · quimb.readthedocs.io

Research audience

The documentation says quimb is published in the Journal of Open Source Software and asks researchers to cite it when useful in research.Read 11 Oct 2026 · quimb.readthedocs.io

Tensor networks

Its tensor module can construct and manipulate arbitrary tensor-network graphs, then contract, optimize, and draw networks.Read 11 Oct 2026 · quimb.readthedocs.io

Plans and prices

Every Quimb plan and price →

Where Specifiction places it

• Physics Simulation Software#35 of 897.9