Using Claude Sonnet 4.6 on Microsoft Foundry

Implementation guide · Claude 4.6 · Anthropic

Serverless

Microsoft Foundry exposes Claude Sonnet 4.6 through model ID claude-sonnet-4-6. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.

Last refreshed 2026-07-26. Next refresh: weekly.

Quick Start

1
Create an account at Microsoft Foundry and generate an API key.
2
Use the Microsoft Foundry SDK or REST API to call claude-sonnet-4-6 — see the documentation for request format.
3
You'll be billed $3.00/1M input, $15.00/1M output tokens. See full pricing.

API Portal Documentation Pricing

Code Examples

See Microsoft Foundry documentation for integration details.

Pricing on Microsoft Foundry

Type	Price (per 1M)
Input tokens	$3.00
Output tokens	$15.00

Capabilities

VisionMultimodalReasoningJSON / Tool useStructured OutputsCode ExecutionPrompt CachingBatch API

About Claude Sonnet 4.6

Claude Sonnet 4.6 is Anthropic's best combination of speed and intelligence. Proprietary decoder-only model with 1M-token context, 64K max output, multimodal vision, extended thinking, and function calling. Available via Anthropic API, AWS Bedrock, GCP Vertex AI, and OpenRouter at $3/1M input and $15/1M output tokens.

Full model details →

Model Specs

Released2026-02-17

Context1m

ArchitectureDecoder Only

Knowledge cutoff2025-08

Microsoft

Redmond, Washington, United States