About

Phi-3 is Microsoft's family of small language models that deliver surprisingly strong performance relative to their compact size, available in Mini (3.8B), Small (7B), and Medium (14B) variants. Trained on a curated mix of synthetic and filtered web data, Phi-3 models excel at reasoning and coding tasks while being efficient enough to run on mobile devices and edge hardware. The models are open-weight under the MIT license and have become a benchmark for efficient AI deployment.

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Free Plan Yes
API Available Yes
Open Source Yes
4.2 1 vote

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4.2 /5
Microsoft's Phi-3 family represents an impressive achievement in small language models, proving that carefully curated training data can rival much larger models. Available in Mini (3.8B), Small (7B), and Medium (14B) variants, Phi-3 delivers surprisingly strong reasoning and coding capabilities relative to its compact size. The models are fully open-source under the MIT license, making them accessible for commercial use without restrictions. Integration is straightforward via Azure AI, Hugging Face, and Ollama, with ONNX runtime support enabling efficient local deployment on edge devices and laptops. The API is available through Azure AI Studio alongside other model options. Key strengths include exceptional performance-per-parameter, low computational requirements, and strong benchmark scores against competitors like Llama 3 and Mistral in similar size classes. Limitations include a smaller context window compared to frontier models, less robust multilingual support, and occasional struggles with highly complex, multi-step reasoning tasks that larger models handle more gracefully. For developers needing efficient, deployable AI without massive infrastructure costs, Phi-3 is an outstanding choice.

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LLM Models
4.2
Feb 15, 2026
AI-Generated Review Generated via Anthropic API. This is an automated evaluation, not a consumer review. Learn more
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Added: Feb 15, 2026

azure.microsoft.com/en-us/products/phi

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