Using GPT Realtime 2.1 Mini on Microsoft Foundry

Implementation guide · GPT Realtime 2 · OpenAI

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Microsoft Foundry exposes GPT Realtime 2.1 Mini through model ID gpt-realtime-2.1-mini. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.

Last refreshed 2026-10-19. 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 gpt-realtime-2.1-mini — see the documentation for request format.
  3. 3
    You'll be billed $0.60/1M input, $2.40/1M output tokens. See full pricing.
API PortalDocumentationPricingModel Card

Code Examples

See Microsoft Foundry documentation for integration details.

Pricing on Microsoft Foundry

TypePrice (per 1M)
Input tokens$0.60
Output tokens$2.40

Capabilities

VisionMultimodalReasoningAudio

About GPT Realtime 2.1 Mini

OpenAI Realtime API distilled realtime voice model (gpt-realtime-2.1-mini), faster/cheaper than 2.1, 128K context.

Full model details →

Model Specs

Released2026-07-06
Context128K
Knowledge cutoff2024-09

More Models on Microsoft Foundry

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Also available on(1)

OpenAI API$0.60/1M
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Provider

Microsoft Foundry

Microsoft

Redmond, Washington, United States