azure-openai-2025

# Azure OpenAI Service - 2025 Models and Features

Complete knowledge base for Azure OpenAI Service with latest 2025 models including GPT-5, GPT-4.1, reasoning models, and Azure AI Foundry integration.

## Overview

Azure OpenAI Service provides REST API access to OpenAI's most powerful models with enterprise-grade security, compliance, and regional availability.

## Latest Models (2025)

### GPT-5 Series (GA August 2025)

**Registration Required Models:**
- `gpt-5-pro`: Highest capability, complex reasoning
- `gpt-5`: Balanced performance and cost
- `gpt-5-codex`: Optimized for code generation

**No Registration Required:**
- `gpt-5-mini`: Faster, more affordable
- `gpt-5-nano`: Ultra-fast for simple tasks
- `gpt-5-chat`: Optimized for conversational use

### GPT-4.1 Series

- `gpt-4.1`: 1 million token context window
- `gpt-4.1-mini`: Efficient version with 1M context
- `gpt-4.1-nano`: Fastest variant

**Key Improvements:**
- 1,000,000 token context (vs 128K in GPT-4 Turbo)
- Better instruction following
- Reduced hallucinations
- Improved multilingual support

### Reasoning Models

**o4-mini**: Lightweight reasoning model
- Faster inference
- Lower cost
- Suitable for structured reasoning tasks

**o3**: Advanced reasoning model
- Complex problem solving
- Mathematical reasoning
- Scientific analysis

**o1**: Original reasoning model
- General-purpose reasoning
- Step-by-step explanations

**o1-mini**: Efficient reasoning
- Balanced cost and performance

### Image Generation

**GPT-image-1 (2025-04-15)**
- DALL-E 3 successor
- Higher quality images
- Better prompt understanding
- Improved safety filters

### Video Generation

**Sora (2025-05-02)**
- Text-to-video generation
- Realistic and imaginative scenes
- Up to 60 seconds of video
- Multiple camera angles and styles

### Audio Models

**gpt-4o-transcribe**: Speech-to-text powered by GPT-4o
- High accuracy transcription
- Multiple languages
- Speaker diarization

**gpt-4o-mini-transcribe**: Faster, more afford