# Mistral Medium 3.5

Mistral



Dense 128B; configurable reasoning; default for Vibe/Le Chat


## Availability

Open-source weights HF mistralai/Mistral-Medium-3.5-128B; Mistral API
- Model released: May 22, 2026 · Date only

## Sources

- Source: https://huggingface.co/mistralai/Mistral-Medium-3.5-128B

Canonical entry: https://www.ailyre.com/source/?id=mistral-mistral-medium-3-5&lang=en