Mistral AI Launches Open‑Source Mistral Large 3 Mixture‑of‑Experts Language Model

Mistral AI is a European artificial‑intelligence startup that maintains a public website where users can create accounts, log in, and access its language‑model services, including a chat interface for testing models and explore documentation.

Mistral Large 3 is presented on the company’s documentation page as an open‑source mixture‑of‑experts (MoE) large language model, designed to scale across multiple expert sub‑networks while keeping inference costs lower than dense models for a range of applications.

Frontier AI section on Mistral’s site lists the Large 3 model alongside other large language models, assistants, agents and services, indicating its role in the broader frontier‑AI ecosystem that targets research and commercial use cases.

Mistral AI Chat provides a web‑based conversational window where visitors can type prompts and receive responses generated by the Large 3 model, offering a hands‑on preview of the model’s capabilities without needing local installation.