LLM Reference
Microsoft Foundry

Using Claude Opus 4.1 on Microsoft Foundry

Implementation guide · Claude 4 · Anthropic

Serverless

Microsoft Foundry exposes Claude Opus 4.1 through model ID claude-opus-4-1. 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. 1
    Create an account at Microsoft Foundry and generate an API key.
  2. 2
    Use the Microsoft Foundry SDK or REST API to call claude-opus-4-1 — see the documentation for request format.
  3. 3
    You'll be billed $15.00/1M input, $75.00/1M output tokens. See full pricing.

Code Examples

See Microsoft Foundry documentation for integration details.

Pricing on Microsoft Foundry

TypePrice (per 1M)
Input tokens$15.00
Output tokens$75.00

Capabilities

VisionMultimodalStructured Outputs

About Claude Opus 4.1

Claude Opus 4.1 is Anthropic's Claude 4 model. It offers a 200K-token context window and scores 77.1 on MMMU.

Model Specs

Released2025-08-01
Context200k
Knowledge cutoff2025-03

Provider

Microsoft Foundry
Microsoft Foundry

Microsoft

Redmond, Washington, United States