Mistral releases Small 4 and joins Nvidia’s Nemotron Coalition

Mistral AI released Mistral Small 4 on 16 March 2026, a 119-billion-parameter mixture-of-experts model with 6 billion active parameters, a 256,000-token context window and an Apache 2.0 license. It joined Nvidia’s Nemotron Coalition the same day.

Why it mattered The pairing continued Mistral’s open-weight release practice and gave it a founding role in Nvidia-backed work on the Nemotron 4 model family.