Mistral Large 4 launches via API, with open weights planned for the end of October
Mistral AI says the natively multimodal model has 1 trillion parameters, with 49 billion active.
TLDR
Mistral AI announced Mistral Large 4 on October 6, 2026, saying it was available via API and that an open-weights release was planned for the end of October. The company says the model has 1 trillion parameters, with 49 billion active, and can be deployed from Europe via Mistral Cloud. It claims the model leads open-weights models from the US and Europe on aggregated benchmarks.
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