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I guess it remains to be seen whether this will be open-weights. We don't even know how many active params at this point.


The article says weights will be released in the coming days, and hints it's likely around 50-70B active params.


It did say that, but it doesn't any longer.


  The full [Kimi K3] model weights will be released by July 27, 2026. Further details on the architecture, training, and evaluations will be released alongside the Kimi K3 technical report.
https://archive.vn/KBzXr


They are still describing it as open source:

> Kimi K3 is the first open-source model to reach 2.8 trillion parameters.

https://platform.kimi.ai/docs/guide/kimi-k3-quickstart


Nice, they updated it again


What's the URL of the article that used to say that?


https://platform.kimi.ai/docs/guide/kimi-k3-quickstart this one, it used to have more information about the model itself, similar to the K2.6 and K2.7 pages.

Edit: OpenRouter still describes it as an open-weight model: https://openrouter.ai/moonshotai/kimi-k3

Guess we'll see!


That's a quickstart page for using the model on the platform not a page about the model. I am skeptical you are correct that it said something about model license earlier.

Edited: I was wrong.


Not the person you're responding to, just a person who still has the original version of the page open in their browser. Quoting from it:

"Kimi K3 is the first open-source model to reach the 2.8-trillion-parameter scale. It is the latest step in Kimi's continued push of model-scale boundaries: in 9 of the past 12 months, Kimi models have set new records for open-source model scale."

The page has definitely changed.

(I'm not sure why you would be skeptical of somebody recollecting something they probably read only half an hour earlier.)


I was skeptical because the 2.6 getting started description doesn’t say open source either. I do however appreciate the correction.


It would definitely be useful to save that off and upload it to archive.org.


I saved the original text, but they've now reintroduced the exact same language in the new blog post.


Right now, if you search https://www.google.com/search?q=kimi+k3+open+weight the blurb under the quickstart page contains the removed text.


The K3 marketing popup when I look at the Kimi Code page says "Kimi K3 Open Frontier Model". So, if it's not going to be open, they haven't told the whole team, yet.


Open like OpenAI, maybe.




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