Mistral unveils ML4, a 1-trillion-parameter open-weight model

French AI startup Mistral has launched a public preview of Mistral Large 4, a 1-trillion-parameter model. Weights are scheduled for public release in late October 2026, and the company claims performance rivaling Chinese open-weight models.

• Mistral Large 4 has 1 trillion parameters; public preview is live
• Weights are slated for public release in late October 2026
• Mistral claims it rivals Chinese open-weight models