Mistral Medium 3.5 releases as a 128B dense merged model with vision
Original titlemistralai/Mistral-Medium-3.5-128B
AISummary
Mistral AI released Mistral Medium 3.5, a dense 128B model with a 256k context window that handles instruction-following, reasoning, and coding in a single set of weights.
It replaces Mistral Medium 3.1, Magistral, and Devstral 2, and reasoning effort is configurable per request. The model accepts text and image input and is released under a Modified MIT License that excludes companies with large revenue.
AIWhy it matters
The release merges instruction, reasoning, and coding into one 128B model with per-request reasoning control, giving developers one set of weights to compare against separate specialized models.
Source: Mistral AI · new models on Hugging Face · huggingface.co