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Phi-4 Reasoning

Big reasoning power, small models

Small open-weight models (3.8B/14B) delivering powerful reasoning for math/science/code, rivaling larger LLMs. Available on Azure AI Foundry & HF.

Top comment

Hi everyone!

I keep a close eye on Microsoft's Phi models and test them out for my own projects, because I really believe on-device AI is the next big thing.

The new Phi-4 Reasoning models (mini, reasoning, and reasoning-plus) are now out. For small models, their reasoning ability is genuinely top-tier right now.

That combination of efficiency and real reasoning power is why the Phi-4 family (maybe alongside models like Gemma) is so promising for actually getting powerful AI running locally on our devices soon.

The open-weight models are available now on Hugging Face and Azure AI Foundry.