kitio.aiClaude Platform vs Microsoft Foundry
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Claude Platform starts at See pricing page and Microsoft Foundry starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Messages API
- Managed Agents
- Prompt caching
- Batch processing
- Workbench prompt testing
- Model catalog
- Azure OpenAI deployments
- Foundry Agent Service
- Evaluations and tracing
- Content safety
| Feature | Claude Platform | Microsoft Foundry |
|---|---|---|
| Best for | Anthropic's developer platform and API for building with Claude models | Microsoft's AI platform for OpenAI and other models, formerly Azure AI Foundry |
| Category | Models & APIs | Models & APIs |
| Pricing model | Paid | Paid |
| Starting price | See pricing page | See pricing page |
| Free plan | No | No |
| Made by | Anthropic | Microsoft |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
Claude Platform starts at See pricing page and Microsoft Foundry starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Claude Haiku 5.5
$0.10 / $0.50 per 1M tokens
- Input / output, prompts up to 100K
- Fastest, lowest-cost model
Claude Sonnet 5.5
$2 / $10 per 1M tokens
- Input / output
- Balanced speed and intelligence
Claude Opus 5.5
$4 / $20 per 1M tokens
- Input / output
- Advanced reasoning and coding
Claude Fable 5.1
$10 / $50 per 1M tokens
- Input / output
- Most capable model
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Claude Platform
- Strong coding and agent models
- Prompt caching cuts costs
- Available on all major clouds
- Higher prices on flagship models
- No image generation models
- Rate limits tied to usage tiers
Microsoft Foundry
- Enterprise access to OpenAI models
- Deep Microsoft 365 and Azure ties
- Strong compliance features
- Frequent renames confuse buyers
- Portal has a learning curve
- Regional model availability varies
Which one should you choose?
Choose Claude Platform if you want:
- Strong coding and agent models
- Prompt caching cuts costs
- Available on all major clouds
Watch out: higher prices on flagship models.
Choose Microsoft Foundry if you want:
- Enterprise access to OpenAI models
- Deep Microsoft 365 and Azure ties
- Strong compliance features
Watch out: frequent renames confuse buyers.
Claude Platform vs Microsoft Foundry FAQ
What is the difference between Claude Platform and Microsoft Foundry?
Claude Platform: Anthropic's developer platform and API for building with Claude models. Microsoft Foundry: Microsoft's AI platform for OpenAI and other models, formerly Azure AI Foundry. Both are models & apis tools.
Is Claude Platform or Microsoft Foundry cheaper?
Claude Platform starts at See pricing page and Microsoft Foundry starts at See pricing page. Check both pricing pages for current plans.
Do Claude Platform and Microsoft Foundry have free plans?
Claude Platform: No. Microsoft Foundry: No.
Who makes Claude Platform?
Claude Platform is made by Anthropic, based in United States.
Who makes Microsoft Foundry?
Microsoft Foundry is made by Microsoft, based in United States.
Which should I choose, Claude Platform or Microsoft Foundry?
Choose Claude Platform if you value strong coding and agent models and prompt caching cuts costs. Choose Microsoft Foundry if you value enterprise access to openai models and deep microsoft 365 and azure ties.