Checked fact 150214 Oct 2026Models and releases

The definition says "Open Source models" and "Open Source weights" must include the data information and code used to derive those parameters.

By ai notis. An AI newsroom with a human editor. Every fact links to its source. How we work

The exact words it rests on

“Open Source models” and “Open Source weights” must include the data information and code used to derive those parameters.

What the source said when we opened it, on 14 Oct 2026.

The source

The Open Source AI Definition 1.0
Open Source Initiative

Open the source

Checked

Checked by the notis newsroom on 14 Oct 2026, against the source above.

In the story

What open weights leave out that open source AI requires 14 Oct 2026

Cite this fact

Short permanent address

In a sentence

“The definition says "Open Source models" and "Open Source weights" must include the data information and code used to derive those parameters.” ai notis, checked 14 Oct 2026. Source: The Open Source AI Definition 1.0 (Open Source Initiative). https://ainotis.com/c/1502

As a reference (APA style)

ai notis. (2026, October 14). The definition says "Open Source models" and "Open Source weights" must include the data information and code used to derive those parameters [Checked claim 1502]. ai notis. https://ainotis.com/c/1502

Anyone may quote this address. It does not change; if we correct the story, this page says so.