I saw a headline saying a company called MiniMax "open-sourced" a new AI video model called H3, and my first thought was "great, free for everyone." Turns out that's not quite right, and understanding why taught me something about what "open source" actually means in practice.
What I assumed "open source" meant: free, available to everyone, no strings attached. That's true for a lot of open-source software, so it was a reasonable assumption.
What "open source" actually means here: the company published the technical blueprint (called "weights" — think of it as the AI's trained knowledge, made downloadable) so that people who know how to set up the technical side can run a copy of the AI on their own computers instead of only being able to use it through the company's own website or app. That part genuinely is generous and unusual for a model this capable.
The part that surprised me: "open" doesn't automatically mean "no rules." This particular release comes with a license — basically a set of terms for how you're allowed to use it — and reportedly, that license doesn't cover people or businesses in the EU, UK, South Korea, or the United States. So depending on where you live, you might not actually be permitted to use it commercially, even though the technical files are publicly downloadable.
Why that's not as contradictory as it sounds: think of it less like "free for everyone" and more like "here's the recipe, but there are rules about who's allowed to sell what they bake with it, and those rules are different depending on where the bakery is." The company still controls the terms, even after publishing the technical details.
What I'd tell someone who just sees the "open source" headline: that word is doing a lot of work, and it doesn't tell you the whole story. If you're ever in a position where you'd actually want to use something like this for a real project (especially a business), it's worth checking the actual license terms for your specific location — not just trusting that "open source" means "no restrictions apply to me."
TL;DR: A company open-sourced an AI video model, which means the technical files are publicly downloadable — but "open source" doesn't mean "no rules." This particular release's license reportedly excludes the EU, UK, South Korea, and the US from commercial use permission, which is a good reminder that "open" and "unrestricted" aren't the same thing.
Stumbled on this and thought it was worth sharing: routeai
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