AWS Bedrock vs Azure OpenAI — Enterprise AI Platform Showdown 2026
AWS Bedrock vs Azure OpenAI Service: which enterprise AI cloud platform should your organisation choose in 2026?
Amazon
AWS Bedrock
Most model choice for AWS teams
Microsoft
Azure OpenAI
Best for GPT-4 in enterprise security
8.3
Overall Score
8.5
Overall Score
WINNEROur Verdict
AWS Bedrock for model flexibility and AWS-native teams; Azure OpenAI for Microsoft-centric organisations needing GPT-4.
Pricing — AWS Bedrock
Pay-per-token; varies by model. Claude 3.5 Sonnet: $3/M input
Pricing — Azure OpenAI
GPT-4o: $2.50/M input · $10/M output (same as OpenAI API)
AWS Bedrock
Pros
- ✓Access to Claude, Llama, Mistral, Stability AI in one place
- ✓Best model diversity — not locked to one provider
- ✓99.99% SLA backed by AWS infrastructure
Cons
- ✗More complex setup than Azure for teams new to AWS
- ✗No GPT-4o or OpenAI models (use Azure for those)
- ✗Pricing can be complex across model providers
Best For
AWS-native teams wanting model flexibility and maximum reliability
Azure OpenAI
Pros
- ✓Access to GPT-4o, GPT-4.1 with enterprise SLAs
- ✓Deep Microsoft 365 and Azure Active Directory integration
- ✓HIPAA, SOC 2, FedRAMP compliance built in
Cons
- ✗Limited to OpenAI models (no Claude or Llama)
- ✗Requires Azure subscription and setup
- ✗Less model variety than AWS Bedrock
Best For
Microsoft-heavy enterprises, organisations requiring GPT-4 with enterprise compliance
Choose AWS Bedrock if…
- →Your infrastructure is on AWS and you want model choice (Claude AND Llama AND others)
- →You don't specifically need OpenAI's GPT-4o models
- →Model-provider flexibility is a strategic requirement
Choose Azure OpenAI if…
- →Your organisation runs on Microsoft Azure and Microsoft 365
- →You specifically need GPT-4o/GPT-4.1 with enterprise compliance
- →FedRAMP compliance is required (Azure OpenAI has FedRAMP High)
Frequently Asked Questions
Can I use Claude on AWS Bedrock?
Yes — Anthropic Claude (including Claude Sonnet 4.6 and Opus 4) is available on AWS Bedrock. This allows you to use Claude within your existing AWS security perimeter without data leaving AWS.
Is Azure OpenAI the same as OpenAI's API?
The models are the same (GPT-4o, GPT-4.1, etc.) but delivered via Microsoft's Azure infrastructure. Key differences: Azure offers private endpoints, no data training on your prompts, and full Microsoft compliance coverage. Pricing is equivalent to OpenAI's direct API.
Which is more reliable for enterprise production?
Both offer 99.9%+ SLAs. AWS Bedrock is backed by AWS's infrastructure (typically 99.99%). Azure OpenAI is backed by Azure (99.9% SLA). For multi-region failover, AWS's global footprint is broader.
Related Comparisons
See all VS comparisons
28 head-to-head comparisons across AI models, coding tools, image generators & more.
Browse all comparisons →