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Phi 4 Reasoning

Microsoft·Apr 2025·MIT

Phi-4-reasoning is a state-of-the-art open-weight reasoning model finetuned from Phi-4 using supervised fine-tuning on a dataset of chain-of-thought traces and reinforcement learning. It focuses on math, science, and coding skills.

Parameters14.0B

Benchmarks

Arena Performance

Phi 4 Reasoning Performance Across Datasets

Scores sourced from the model's scorecard, paper, or official blog posts

LLM Stats Logollm-stats.com - Fri Feb 27 2026
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FAQ

Common questions about Phi 4 Reasoning

Phi 4 Reasoning was released on April 30, 2025 by Microsoft.
Phi 4 Reasoning was created by Microsoft.
Phi 4 Reasoning has 14.0 billion parameters.
Phi 4 Reasoning is released under the MIT license. This is an open-source/open-weight license.
Phi 4 Reasoning has a knowledge cutoff of March 2025. This means the model was trained on data up to this date.