Phi-4 Mini Reasoning is Microsoft's language model with a 131K context window and up to 4K output tokens, starting at $0.08 / 1M input and $0.32 / 1M output. A compact Phi-4 Mini model fine-tuned specifically for multi-step reasoning and mathematical problem-solving tasks.
Specifications
Canonical IDmicrosoft-phi-4-mini-reasoning
TypeLanguage
StatusActive
CreatorMicrosoftMicrosoft
Providers
Context Window131K tokens
Max Output4K tokens
Input ModalitiesText
Output ModalitiesText

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities1/13
Reasoning·
Adaptive Reasoning·
Function Calling
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
Azure AI Foundry logo
Azure AI Foundry
microsoft:phi4minireasoning
$0.08$0.32

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Phi-4 Mini Instruct131K$0.075$0.300Available
Phi-4 Mini Reasoning131K$0.080$0.320Current
Phi-4 MiniAvailable
Phi-4 Mini MMAvailable
Phi-3 MiniAvailable
Phi-3 Mini Instruct131K$0.100$0.100Available
Phi-3.5 Mini Instruct128K$0.130$0.520Available

Other Models

ModelTierReleasedContextInput / 1MOutput / 1M
Phi-416K$0.065$0.140
Phi-4 Multimodal
Phi-4 Eagle
Phi-4 Multimodal Instruct131K$0.080$0.320
Phi-4 Reasoning33K$0.125$0.500
Phi-4 Reasoning Plus
Phi-3
Phi-3 Medium Instruct128K$0.170$0.680
Phi-3 Small Instruct128K$0.150$0.600
Phi-3 Vision Instruct32K$0.200$0.200

Model IDs

azure_ai/Phi-4-mini-reasoning
microsoft-phi-4-mini-reasoning