Last refreshed 2026-05-16. Next refresh: weekly.
Why use Claude Sonnet 4.5 on Microsoft Foundry?
Microsoft Foundry offers Claude Sonnet 4.5 with pay-as-you-go pricing at $3.00/1M input tokens. Microsoft Foundry is a unified Azure platform-as-a-service offering for enterprise AI operations, model builders, and application development.
Compare Claude Sonnet 4.5 across 7 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-4-5claude-sonnet-4-5Request example
claude-sonnet-4-5.Gotchas
No curated gotchas have been sourced for this exact provider/model route yet.
Compare Claude Sonnet 4.5 Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Microsoft Foundry | $3.00 | $15.00 |
| Anthropic | $3.00 | $15.00 |
| Snowflake Cortex | — | — |
| GCP Vertex AI | $3.00 | $15.00 |
| AWS Bedrock | $9.00 | $45.00 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $3.00 |
| Output tokens | $15.00 |
Capabilities
About Claude Sonnet 4.5
Claude Sonnet 4.5 available on AWS Bedrock
FAQ
What does Claude Sonnet 4.5 cost on Microsoft Foundry?
On Microsoft Foundry, Claude Sonnet 4.5 costs $3 per 1M input tokens and $15 per 1M output tokens.
What is the context window for Claude Sonnet 4.5 on Microsoft Foundry?
Claude Sonnet 4.5 supports a 200,000 token context window on Microsoft Foundry.
How does Microsoft Foundry compare to other Claude Sonnet 4.5 providers?
Claude Sonnet 4.5 is available from 7 providers. The cheapest input pricing is $3/1M tokens from Microsoft Foundry.
Who created Claude Sonnet 4.5?
Claude Sonnet 4.5 was created by Anthropic as part of the Claude 4.5 model family.
Is Claude Sonnet 4.5 open source?
Claude Sonnet 4.5's open source status is unknown in the seed data.