Mistral Large 4 Mistral Large 4 is a 1-trillion-parameter natively multimodal open-weight model with 49 billion active parameters. It is Mistral's largest and most capable model, delivering frontier performance in coding, agentic workflows, cybersecurity, finance, law, and visual understanding. A public preview is available today via the Mistral API and Studio; full weights will be released later in October.
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