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Colossal-AI

Distributed training framework for large-scale AI models

AI InfrastructureFounded 2021#43 of 55 in AI Infrastructure

Updated May 29, 2026

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Company profile

What is Colossal-AI?

Colossal-AI is an open-source deep learning system developed by HPC-AI Tech. It provides a comprehensive suite of tools and techniques for efficiently scaling the training and inference of large AI models across distributed computing environments, addressing memory and computation challenges.

Company research

Data as of May 29, 2026

No company research is published for this company yet. All research →

Latest company data

Primary data point

Downloads

13.7K/30d

Tracked package: PyPI colossalai

▼ -50%Updated 1d ago

Other data points

Dependent projects

10

Projects depending on tracked package: PyPI colossalai

Updated 9h ago

GitHub stars

41.4K

Main repository stars

Updated 9h ago

Code usage

63

Public projects using this company's tools

Updated 9h ago

Repository health

Maintenance data from the main open-source repository.

OpenSSF Scorecard
4.9
Releases (30d)
0

Repository usage

Public repositories and source files importing packages tied to Colossal-AI.

Repos importing
630%

About Colossal-AI

Colossal-AI is an open-source deep learning system developed by HPC-AI Tech. It provides a comprehensive suite of tools and techniques for efficiently scaling the training and inference of large AI models across distributed computing environments, addressing memory and computation challenges.

FoundersYang You, James Zhang

Funding

$28M · 2 rounds

Raised $28M total. Category position #43 of 55 in AI Infrastructure.

Series A2023

Sinovation Ventures, ZhenFund

$22M
Series A2022

BlueRun Ventures

$6M
Seed2021
Undisclosed

Investors

BlueRun VenturesSinovation VenturesZhenFund

Tracked packages (1)

1 PyPI

colossalai

PyPIMain PyPI package

colossalai

Distributed training framework for large-scale AI models