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Phi-4-Reasoning
About Phi-4-Reasoning
Phi-4-Reasoning is an AI model developed by Microsoft, in the language category, released in 2025, made available as an open-weights model with 14B params.
On this page you'll find Phi-4-Reasoning's full specifications, including 7 benchmark results. Review provider pricing and benchmark scores below, or compare Phi-4-Reasoning head-to-head with other language models.
Links
Run Phi-4-Reasoning locally — what to buy
Share this build ↗Sized to what Phi-4-Reasoning actually needs (~8k context at Q4), not to the biggest GPU: Good = cheapest that runs it, Better = best value, Best = most headroom. Speed is a hardware estimate; anything past ~120 tok/s is shown as instant.
Software support
✓ measured · · compatible · — not supported. Informational only — speed is hardware-based.
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Phi-4-Reasoning benchmark scores▶
| Benchmark | Category | Score | Variant |
|---|---|---|---|
| Codeforces Elo | code | 1,736 | rating |
| LiveCodeBench v5 | code | 53.8% | lcb-aug24-jan25 |
| AIME 2024 | math | 74.6% | pass@1-avg@5 |
| AIME 2025 | math | 63.1% | pass@1-avg@50 |
| HMMT February 2025 | math | 43.8% | pass@1-avg@64 |
| Omni-MATH | math | 76.6 | pass@1-avg@5 |
| GPQA Diamond | reasoning | 67.1% | pass@1-avg@5 |
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Frequently asked questions
What is Phi-4-Reasoning? ▶
Phi-4-Reasoning is an AI model developed by Microsoft, in the language category, released in 2025. It is tracked on GenAIList with its specifications, benchmark scores and provider pricing.
Who created Phi-4-Reasoning? ▶
Phi-4-Reasoning was developed by Microsoft and released in 2025.
Is Phi-4-Reasoning open source or proprietary? ▶
Phi-4-Reasoning ships as an open-weights model: you can download and self-host the weights, though the licence may place some restrictions on use.
How much does Phi-4-Reasoning cost? ▶
Pricing for Phi-4-Reasoning depends on the provider. See the providers table on this page for the latest API rates.
How does Phi-4-Reasoning perform on benchmarks? ▶
Phi-4-Reasoning is benchmarked across 7 evaluations on GenAIList, including Codeforces Elo (1,736). See the full benchmark table below and compare it with other models.
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