Side-by-Side Comparison · 2026

Amazon Bedrock vs Azure OpenAI Service: Full Comparison (2026)

Amazon Bedrock is aws's managed service to build with frontier ai models from multiple providers. Azure OpenAI Service is enterprise-grade access to gpt-4, o3, and dall-e 3 on microsoft azure. Use the breakdown below to find the right fit for your needs.

Amazon Bedrock

Amazon Web Services

Paid
vs

Azure OpenAI Service

Microsoft / OpenAI

Paid
This page presents factual information sourced from publicly available vendor documentation and product pages. AIHub does not endorse either product. The right tool depends on your specific use case, team, and requirements — we recommend evaluating both tools directly before making a decision.

Side-by-Side Overview

Pricing Model
Amazon Bedrock: PaidAzure OpenAI Service: Paid
API Access
Amazon Bedrock: AvailableAzure OpenAI Service: Available
Platforms
Amazon Bedrock: AWS Console, API, AWS SDKs, Amazon SageMaker integrationAzure OpenAI Service: Azure Portal, REST API, Azure SDKs, Semantic Kernel, Azure AI Foundry
Integrations
Amazon Bedrock: 7 integrationsAzure OpenAI Service: 7 integrations
Vendor
Amazon Bedrock: Amazon Web ServicesAzure OpenAI Service: Microsoft / OpenAI
Category
Amazon Bedrock: PlatformsAzure OpenAI Service: APIs
Launch
Amazon Bedrock: Apr 13, 2023 (preview); Sep 28, 2023 (GA)Azure OpenAI Service: Nov 2021 (preview); Jan 2023 (GA)
Models
Amazon Bedrock: Anthropic Claude 4, Meta Llama 4Azure OpenAI Service: GPT-4o, GPT-4.1

About Amazon Bedrock

Amazon Bedrock is a fully managed service from AWS that provides access to foundation models from Anthropic (Claude), Meta (Llama), Mistral, Cohere, Stability AI, Amazon Titan, and others via a single unified API. Enterprises use it to build and scale AI applications with AWS security, compliance, and cost management.

Designed For

  • Enterprise AI applications
  • RAG (knowledge bases)
  • Agents for task automation
  • Model evaluation
Full Amazon Bedrock details

About 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.

Designed For

  • Enterprise AI applications
  • Compliant AI for regulated industries
  • Copilot customization
  • RAG with Azure AI Search
Full Azure OpenAI Service details

Strengths & Limitations

Amazon Bedrock

Strengths

  • Access to Claude, Llama, Mistral, Titan in one API
  • AWS security & compliance
  • Managed infrastructure
  • Bedrock Agents for agentic workflows
  • Fine-tuning support

Limitations

  • Complex pricing
  • AWS lock-in risk
  • Steeper learning curve
  • Cost at scale

Azure OpenAI Service

Strengths

  • Enterprise compliance (HIPAA, SOC2, ISO 27001)
  • Private network deployment
  • Customer-managed keys
  • Fine-tuning support
  • Azure integration

Limitations

  • Complex provisioning
  • Higher cost vs direct OpenAI API
  • Capacity constraints
  • Azure dependency

Frequently Asked Questions

What is the difference between Amazon Bedrock and Azure OpenAI Service?

Amazon Bedrock is aws's managed service to build with frontier ai models from multiple providers, while Azure OpenAI Service is enterprise-grade access to gpt-4, o3, and dall-e 3 on microsoft azure. Amazon Bedrock is designed for Enterprise developers, AWS shops; Azure OpenAI Service is designed for Regulated industries (finance, healthcare, government), Microsoft-centric enterprises. The right fit depends on your specific requirements.

How do the pricing models compare?

Amazon Bedrock is available under a Paid model. Azure OpenAI Service is available under a Paid model. Amazon Bedrock's entry tier starts at Per token (varies by model). Azure OpenAI Service's entry tier starts at $2.50/M input, $10/M output. Always verify pricing on each vendor's official website as it may change.

What integrations does each tool support?

Amazon Bedrock integrates with AWS Lambda, Amazon S3, Amazon OpenSearch, AWS Step Functions. Azure OpenAI Service integrates with Azure AI Search, Azure Cognitive Services, Power Platform, Dynamics 365. Check each vendor's documentation for the full and current list.

How do I choose between Amazon Bedrock and Azure OpenAI Service?

Consider your team's technical requirements, budget, existing tooling, and use case before deciding. We recommend signing up for free trials or demos of both tools where available, and consulting each vendor's documentation. AIHub provides this comparison for informational purposes only.