Azure OpenAI Service
Enterprise-grade access to GPT-4, o3, and DALL-E 3 on Microsoft Azure
Microsoft / OpenAI · APIs
Launched Nov 2021 (preview); Jan 2023 (GA)
Quick Answer
Azure OpenAI Service is enterprise-grade access to gpt-4, o3, and dall-e 3 on microsoft azure, made by Microsoft / OpenAI. It is a paid product. Key uses: Enterprise AI applications, Compliant AI for regulated industries, Copilot customization.
Last updated:
Users
53,000+ enterprise customers on Azure OpenAI (2024); $10B+ Azure AI revenue
Valuation
Part of Microsoft ($3T+ market cap)
What is Azure OpenAI Service?
Azure OpenAI Service provides enterprise-ready access to OpenAI's most powerful models including GPT-4o, o3, o4-mini, DALL-E 3, Whisper, and embedding models — all within Microsoft Azure's security, compliance, and governance framework. Includes private endpoints, customer-managed keys, content filtering, and Azure Active Directory integration.
What's new in Azure OpenAI Service in 2026?
Azure AI Foundry unifies AI dev experience (Nov 2024); GPT-4.1 on Azure (Apr 2025); o3 mini available; Batch API for async large-scale; Azure AI Studio rebranded to Azure AI Foundry; Copilot Studio powered by Azure OpenAI; $100B Stargate US data center investment
How much does Azure OpenAI Service cost?
GPT-4o
$2.50/M input, $10/M output
- GPT-4o (Standard)
- 128K context
- Multimodal
o3
$10/M input, $40/M output
- Advanced reasoning
- 128K context
- Code + math
Provisioned Throughput
From $200/hour
- Reserved compute
- Guaranteed latency
- Enterprise SLA
What can you do with Azure OpenAI Service?
- Enterprise AI applications
- Compliant AI for regulated industries
- Copilot customization
- RAG with Azure AI Search
- Semantic Kernel integration
Pros
- Enterprise compliance (HIPAA, SOC2, ISO 27001)
- Private network deployment
- Customer-managed keys
- Fine-tuning support
- Azure integration
Cons
- Complex provisioning
- Higher cost vs direct OpenAI API
- Capacity constraints
- Azure dependency
What are the best alternatives to Azure OpenAI Service?
Compare Azure OpenAI Service Head-to-Head
Frequently Asked Questions about Azure OpenAI Service
How much does Azure OpenAI Service cost?
Azure OpenAI Service pricing: GPT-4o at $2.50/M input, $10/M output; o3 at $10/M input, $40/M output; Provisioned Throughput at From $200/hour.
Is Azure OpenAI Service free?
Azure OpenAI Service is a paid product with no permanent free tier.
What is Azure OpenAI Service used for?
Azure OpenAI Service is used for: Enterprise AI applications, Compliant AI for regulated industries, Copilot customization, RAG with Azure AI Search, Semantic Kernel integration.
What are the best alternatives to Azure OpenAI Service?
Top alternatives to Azure OpenAI Service include OpenAI API, Amazon Bedrock, Google Vertex AI.
What platforms does Azure OpenAI Service support?
Azure OpenAI Service is available on: Azure Portal, REST API, Azure SDKs, Semantic Kernel, Azure AI Foundry.
Details
Vendor
Microsoft / OpenAI
Category
APIs
Pricing Model
Launched
Nov 2021 (preview); Jan 2023 (GA)
Underlying Models
Platforms
Integrations
Ideal For
- Regulated industries (finance, healthcare, government)
- Microsoft-centric enterprises
- Developers needing HIPAA compliance