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EleutherAI

Open-source AI research collective behind GPT-NeoX and Pythia

Foundation ModelsFounded 2020#8 of 17 in Foundation Models

Updated May 29, 2026

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Company profile

What is EleutherAI?

EleutherAI is a decentralized, open-source AI research collective dedicated to making large language models and related research accessible to the public. They are significant for developing and releasing powerful open-source models like GPT-NeoX and Pythia, fostering transparency and collaboration in the AI ecosystem. Their work provides critical tools and benchmarks for researchers globally, challenging the proprietary nature of much of the advanced AI development.

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

1.5M/30d

Tracked package: PyPI lm-eval

▲ +16%Updated 1d ago

Other data points

Dependent projects

97

Projects depending on tracked package: PyPI lm-eval

Updated 10h ago

GitHub stars

7.4K

Main repository stars

Updated 10h ago

Hacker News

1/30d

Position #10 in category discussion

Updated 10h ago

Repository health

Maintenance data from the main open-source repository.

Releases (30d)
0

Repository usage

Public repositories and source files importing packages tied to EleutherAI.

Repos importing
2520%

About EleutherAI

EleutherAI is a decentralized, open-source AI research collective dedicated to making large language models and related research accessible to the public. They are significant for developing and releasing powerful open-source models like GPT-NeoX and Pythia, fostering transparency and collaboration in the AI ecosystem. Their work provides critical tools and benchmarks for researchers globally, challenging the proprietary nature of much of the advanced AI development.

FoundersConnor Leahy, Leo Gao, Stella Biderman

Tracked packages (1)

1 PyPI

lm-eval

PyPIMain PyPI package

lm-eval

Open-source AI research collective behind GPT-NeoX and Pythia