Last refreshed 2026-06-30. Next refresh: weekly.
Why use Claude Sonnet 5 on Microsoft Foundry?
Microsoft Foundry offers Claude Sonnet 5 with competitive pricing. Microsoft Foundry is a unified Azure platform-as-a-service offering for enterprise AI operations, model builders, and application development.
Compare Claude Sonnet 5 across 5 providers to find the best fit for your use caseSetup recipe
Docs fallbackUse the provider REST API or SDKCreate a provider API keymodel: claude-sonnet-5claude-sonnet-5Request example
claude-sonnet-5.Gotchas
No curated gotchas have been sourced for this exact provider/model route yet.
Compare Claude Sonnet 5 Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Anthropic | $3.00 | $15.00 |
| AWS Bedrock | — | — |
| GCP Vertex AI | $3.00 | $15.00 |
| OpenRouter | $2.00 | $10.00 |
| Microsoft Foundry | — | — |
Capabilities
About Claude Sonnet 5
Claude Sonnet 5 is Anthropic's next-generation Sonnet model for agentic coding, tool use, computer use, and professional work. It is a proprietary decoder-only model with a 1M-token context window, 128K max output, multimodal vision, adaptive thinking, function calling, structured outputs, prompt caching, and Batch API support. It is available through the Claude API, AWS Bedrock, Google Cloud Vertex AI, Microsoft Foundry preview, and OpenRouter. Anthropic lists durable standard pricing at $3/1M input and $15/1M output tokens, with introductory $2/$10 pricing through 2026-08-31.
FAQ
What is the context window for Claude Sonnet 5 on Microsoft Foundry?
Claude Sonnet 5 supports a 1m token context window on Microsoft Foundry.
How does Microsoft Foundry compare to other Claude Sonnet 5 providers?
Claude Sonnet 5 is available from 5 providers. The cheapest input pricing is $2/1M tokens from OpenRouter.
What API model ID do I use for Claude Sonnet 5 on Microsoft Foundry?
Use the model ID claude-sonnet-5 when calling Microsoft Foundry's API.
Who created Claude Sonnet 5?
Claude Sonnet 5 was created by Anthropic as part of the Claude 5 model family.
Is Claude Sonnet 5 open source?
Claude Sonnet 5 is not open source; the seed data lists it as proprietary.