French AI Firm Mistral Releases New Open Model Mistral Large 4: Claims Leadership in Cybersecurity and Finance
Mistral AI officially introduced its latest open-source large language model, Mistral Large 4 (codenamed Le Chonk), via a YouTube video. The company claims the model has 1 trillion parameters and is state-of-the-art among open models in cybersecurity, manufacturing, and finance, while surpassing some closed models on visual grounding tasks. Public preview access is now available.
French artificial intelligence company Mistral AI released an introductory video for its latest large language model on October 21, 2026, via YouTube. The model is named Mistral Large 4, with the codename "Le Chonk." According to the official video description, it is a model with 1 trillion (1T) parameters.
In the video, Mistral AI claims that this model achieves state-of-the-art performance among open models in the fields of cybersecurity, manufacturing, and finance. Additionally, the company states that its performance on visual grounding tasks surpasses certain closed-source models. These performance claims are currently vendor-reported results and await further verification from independent third-party benchmarks.
The model is now available for public preview. Developers and technical personnel interested in evaluating or integrating this model can access its model card via the link provided in the video description to obtain more detailed technical specifications and usage limitations.