Mistral AI Releases Comprehensive Model Suite Including Small 4 and Voxtral TTS

Mistral AI unveiled multiple products between March 16 and March 31, 2026, including Mistral Small 4 which unifies Magistral, Pixtral, and Devstral capabilities into a single model. The company launched Voxtral TTS as an open-weight text-to-speech model, Leanstral formal proof agent, and Mistral Forge enterprise AI training platform announced at NVIDIA GTC on March 17. Mistral also joined the NVIDIA Nemotron Coalition as a founding member, collaborating on Nemotron 4 development and making Mistral Small 4 available on NVIDIA NIM and build.nvidia.com for broader deployment accessibility.