Phi-4-reasoning API
About
Build advanced reasoning agents with Phi-4-reasoning, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $0.13/1M input and $0.50/1M output tokens, open weights architecture. Access Phi-4-reasoning via the Azure Cognitive Services API with up to 4K output tokens.
Capabilities
Input Modalities
text
Output Modalities
text
Reasoning
Yes
Structured Output
No
Tool Use
No
WeightsOpen
Limits
Context Window
32K
Tokens
Input Limit
32K
Tokens
Max Output
4K
Tokens
Pricing
Standard (per 1M tokens)
Input
$0.13
Output
$0.50
Frequently Asked Questions
Phi-4-reasoning by Azure Cognitive Services costs $0.13 per 1M input tokens and $0.50 per 1M output tokens.
Model Details
ID
phi-4-reasoning
Provider
Azure Cognitive ServicesFamily
phi
Release Date
Dec 11, 2024
Knowledge Cutoff
Oct 1, 2023
API Integration
NPM Package
@ai-sdk/azure
Environment Variables
AZURE_COGNITIVE_SERVICES_RESOURCE_NAME
AZURE_COGNITIVE_SERVICES_API_KEY