Using Claude Opus 4.5 on Microsoft Foundry

Implementation guide · Claude 4.5 · Anthropic

ServerlessProvisioned

Microsoft Foundry exposes Claude Opus 4.5 through model ID claude-opus-4-5. 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-4-5 — see the documentation for request format.
  3. 3
    You'll be billed $5.00/1M input, $25.00/1M output tokens. See full pricing.

Code Examples

See Microsoft Foundry documentation for integration details.

Pricing on Microsoft Foundry

TypePrice (per 1M)
Input tokens$5.00
Output tokens$25.00

Capabilities

VisionMultimodalReasoningJSON / Tool useStructured OutputsCode Execution

About Claude Opus 4.5

Claude Opus 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 80.7 on MMMU.

Model Specs

Released2025-11-01
Context200k
ArchitectureDecoder Only
Knowledge cutoff2025-12

Provider

Microsoft Foundry

Microsoft

Redmond, Washington, United States