# Mistral Large 4 is said to be the most powerful open AI model from Europe and the U.S. > Source: > Published: 2026-10-06 14:18:08+00:00 # Mistral Large 4 is said to be the most powerful open AI model from Europe and the U.S. By Jonathan KemperSource: [The Decoder](https://the-decoder.com) [Mistral](https://www.machinebrief.com/glossary/mistral)'s Large 4 is the company's biggest model yet, with one trillion parameters trained on its own European infrastructure. In the independent Intelligence Index, the model makes a big leap forward but still falls well short of [Claude](https://www.machinebrief.com/glossary/claude), [GPT](https://www.machinebrief.com/glossary/gpt)-6, and Chinese competitors. Mistral's main pitch is cybersecurity work that closed US models refuse to do. The article [Mistral Large 4 is said to be the most powerful open AI model from Europe and the U.S.](https://the-decoder.com/mistral-large-4-is-said-to-be-the-most-powerful-open-ai-model-from-europe-and-the-u-s/) appeared first on [The Decoder](https://the-decoder.com). Get AI news in your inbox Daily digest of what matters in AI.