Microsoft model product
Phi 4 Mini Reasoning
Phi-4-mini-reasoning is designed for multi-step, logic-intensive mathematical problem-solving tasks under memory/compute constrained environments and latency bound scenarios.
Updated Aug 12, 2026. Default version: Phi 4 Mini Reasoning
LLMBoard score13.8Phi 4 Mini Reasoning
Coverage40%2 benchmark families
Context windowN/ATokens
Official input price$0.075Azure API
Phi 4 Mini Reasoning Specifications
Technical details for the model's default version.
- Version
- Phi 4 Mini Reasoning
- Released
- Apr 30, 2025
- Knowledge cutoff
- Feb 1, 2025
- Parameters
- 3.8B
- Context window
- N/A
- Max output
- N/A
- Inputs
- text
- Outputs
- text
- Open weights
- No
- License
- MIT
Phi 4 Mini Reasoning Capability Profile
This profile uses the model's current scored version. Arena ratings and prices are shown separately.
Phi 4 Mini Reasoning Arena Results
Preference and agent-evaluation results for the default version.
No Arena results
The default version does not have a matching Arena result yet.
Phi 4 Mini Reasoning Runtime Performance
Provider-specific output speed and catalog latency for Phi 4 Mini Reasoning. Runtime does not affect the capability score.
No runtime data
Browse runtime rankingsNo provider-specific speed or latency record is linked to the default version yet.
Output Speed is generated output tokens received per second. Catalog latency is reported separately from observed provider TTFT.
Phi 4 Mini Reasoning Pricing
Official vendor API pricing appears first, followed by individual provider offers.
- Official API
- $0.075 input, $0.30 output per 1M
- Official provider
- Azure
- Lowest third-party
- From $0.075 input, $0.30 output per 1M via Azure Cognitive Services
- Tracked offerings
- 2
| Azure Cognitive Services | phi-4-mini-reasoning | global | $0.075 | $0.30 | 128K | |
| Azure | phi-4-mini-reasoning | global | $0.075 | $0.30 | 128K |
Official prices use only the vendor's configured official Provider and positive standard USD PAYG rates. Third-party offers remain explicitly labeled.
Phi 4 Mini Reasoning Versions
Available versions of this model. The score column identifies the version used in the overall ranking.
| Phi 4 Mini Reasoning | 13.8 | 3.8B | N/A | N/A | No | MIT |
What is Phi 4 Mini Reasoning?
Key information about Phi 4 Mini Reasoning and its available data.
Phi-4-mini-reasoning is designed for multi-step, logic-intensive mathematical problem-solving tasks under memory/compute constrained environments and latency bound scenarios.
Some of the use cases include formal proof generation, symbolic computation, advanced word problems, and a wide range of mathematical reasoning scenarios.
These models excel at maintaining context across steps, applying structured logic, and delivering accurate, reliable solutions in domains that require deep analytical thinking.
Data as of 2026-08-11.
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FAQ
Common questions about Phi 4 Mini Reasoning.
When was Phi 4 Mini Reasoning released?
Phi 4 Mini Reasoning's default version was released on Apr 30, 2025.
How much does Phi 4 Mini Reasoning cost?
Phi 4 Mini Reasoning's official API price is $0.075 per million input tokens and $0.30 per million output tokens via Azure. The lowest tracked third-party offer starts at $0.075 input and $0.30 output via Azure Cognitive Services.
Who created Phi 4 Mini Reasoning?
Phi 4 Mini Reasoning was created by Microsoft.
What is the context window for Phi 4 Mini Reasoning?
A context window is not available for the default version.
Is Phi 4 Mini Reasoning open weight?
No. The default version is not marked as having publicly available weights.
How many API providers offer Phi 4 Mini Reasoning?
2 provider offerings are linked to the default version.
What models should I compare Phi 4 Mini Reasoning with?
Nearby ranked alternatives include Qwen2.5 32B, GPT-4-Turbo, Llama 4 Scout.