# Microsoft Releases Phi-4-reasoning-vision-15B, an Open-Weight Multimodal Reasoning Model

- slug: microsoft-releases-phi-4-reasoning-vision-15b-an-open-weight-multimodal-reasoning-model
- date: 2026-03-13
- category: Artificial Intelligence

Microsoft has released Phi-4-reasoning-vision-15B, a 15 billion parameter open-weight multimodal reasoning model that pushes the efficiency frontier—competitive with models 10x larger in compute while running on modest

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