Last refreshed 2026-07-26. 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 8 providers to find the best fit for your use caseInput / 1M
$3.00
Output / 1M
$15.00
Cache
read $0.30 / 5m $3.75 / 1h $6.00
Batch
Not sourced
Setup recipe
Docs fallbackInstall
Use the provider REST API or SDKAuth
Create a provider API keyCall
model: claude-sonnet-4-5Model ID
claude-sonnet-4-5Request example
Curated snippets for this provider are not sourced yet. Use Microsoft Foundry documentation with model ID
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
VisionMultimodalReasoningJSON / Tool useStructured Outputs
About Claude Sonnet 4.5
Claude Sonnet 4.5 is Anthropic's Claude 4.5 model with multimodal text and image input and an optional reasoning mode. It offers a 200K-token context window and scores 86 on MMLU PRO.
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Model Specs
Released2025-09-29
Context200k
ArchitectureDecoder Only
Knowledge cutoff2025-12