Open Source Initiative
opensource.org
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Overview
Home About About the Open Source Initiative As steward of the Open Source Definition, we set the foundation for the open source software ecosystem. The Open Source Initiative (OSI) is a California public benefit corporation, with 501(c)3 tax-exempt status, founded in 1998.
News
Open weights vs. closed: An AI civil war's afoot, and the stakes are existential
It started as China vs. the US, but it's become a face-off between two fundamentally different ways of building LLMs. And the safety of everything is on the line.
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'Open-Washing' Is Everywhere in AI. Four Criteria Cut Through It
"Open-source" is not a marketing register. It is a standard with specific criteria that must be met to earn the label, writes JJ Jasser.
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Report
Open Source Is the Inevitable End State for AI
Duane O'Brien, Executive Director of the Open Source Initiative, joins Alan Shimel to discuss OSI's stewardship of open source, the Open Source AI Definition...
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Open Source Initiative Helps G7 Deliver Vision On AI Openness
On May 29, 2026 in Paris, G7 Digital and Technology ministers approved a
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Report
The 2026 State of Open Source Report
The 2026 State of Open Source Report points to open source as a strategic concern for IT leadership, shaped by geopolitical pressure, security risk, compliance complexity, and the growing operation…
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