French AI startup Mistral unveils Mistral 3 open-source models

On Dec. 02, 2025 11:09 AM ET, Ravikash Bakolia reported that French Artificial Intelligence startup Mistral unveiled its next generation of models under the name Mistral 3. The announcement, posted by the company and noted in the article, positions Mistral 3 as an open-source family of models following the startup’s prior releases. The piece identifies the launch as the company presenting multiple configurations aimed at different deployment needs.

Mistral 3, according to the report, comprises three state-of-the-art small, dense models and a larger sparse model. The small dense models are listed as 14B, 8B, and 3B. In addition, the company introduced Mistral Large 3, described in the article as its most capable model to date and characterised as a sparse mixture-of-experts trained. The article links to the company statement for details and frames the release as the latest generation in Mistral’s model lineup.

The report also notes that Mistral is backed by Microsoft and that the company described the Mistral 3 family in a public announcement on its site. The coverage is concise and factual, focused on the model names, sizes, and the introduction of the sparse mixture-of-experts architecture for Mistral Large 3. The article includes an image credit to Alex Cristi /iStock via Getty Images and references the company post for the full release information.