Mistral AI releases open-weight Medium 3.5 model with 256K context

Mistral AI has released Medium 3.5, a new open-weight model featuring 128 billion parameters and a 256,000 token context window. This model supports multimodal input and adjustable reasoning capabilities. The weights for Medium 3.5 are available on HuggingFace under a modified MIT license, superseding previous models like Mistral Medium 3.1. AI

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IMPACT This release provides a powerful open-weight model, potentially accelerating research and development in multimodal AI and long-context applications.

RANK_REASON Mistral AI, a frontier model lab, has released a new open-weight model, Medium 3.5, with significant parameter count and context window. [lever_c_demoted from frontier_release: ic=1 ai=1.0]

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• Mistral AI
• Medium 3.5
• HuggingFace
• Mistral Medium 3.1
• Magistral
• Devstral 2

• model release
• paper