Open Weights Aren’t Open Source: What AI Licences Really Allow

Open Weights Aren’t Open Source: What AI Licences Really Allow

Downloading a model’s parameters and calling it open source is one of the industry’s most persistent conflations. Almost everything sold as “open AI” is really open weights: a company publishes the learned parameters that let the model run, wrapped in a licence that is either genuinely permissive or stuffed with conditions. True open source, as … Read more

Mistral Large 4 ‘Le Chonk’ Hits 1 Trillion Parameters, Weights Land in Weeks

Mistral Large 4 ‘Le Chonk’ Hits 1 Trillion Parameters, Weights Land in Weeks

Mistral has unveiled Mistral Large 4, a one-trillion-parameter multimodal model nicknamed “Le Chonk” — the French lab’s most ambitious bid yet to plant a European flag at the AI frontier, and its loudest argument for open weights. It is live in public preview now, but the full checkpoint stays behind a guarded endpoint, with the … Read more