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Azure Cognitive Services

Phi-4-reasoning API

Azure Cognitive Services
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
Temperature
Adjustable
Attachment
Not Supported
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 Services
Family
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
Documentation