Using Phi-3 Medium 128K on Microsoft Foundry
Implementation guide · Phi-3 · Microsoft Research
Quick Start
- 1
- 2Use the Microsoft Foundry SDK or REST API to call
phi-3-medium-128k— see the documentation for request format. - 3
Code Examples
About Microsoft Foundry
Microsoft Foundry offers a comprehensive platform-as-a-service for enterprise AI operations. It provides multiple deployment options including Serverless APIs (pay-as-you-go), Global Standard (shared managed capacity), Provisioned Throughput Units (reserved capacity), batch processing, and bring-your-own model deployments. The platform features a unified control plane for models, agents, tools, and observability. Its Agent Service enables building and deploying AI agents with built-in tracing, monitoring, and governance. Evaluation and monitoring tools assess model performance, safety, and groundedness. Foundry supports seamless upgrades from Azure OpenAI with non-destructive migration, maintaining existing deployments while unlocking multi-provider model access and advanced platform capabilities.
Microsoft Foundry is a unified Azure platform-as-a-service offering for enterprise AI operations, model builders, and application development. It provides access to over 1,900 models from Microsoft, OpenAI, Anthropic, Mistral, xAI, Meta, DeepSeek, Hugging Face, and more. Foundry unifies agents, models, and tools under a single management grouping with built-in enterprise-readiness capabilities including tracing, monitoring, evaluations, and customizable enterprise setup configurations.
Pricing on Microsoft Foundry
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.50 |
| Output tokens | $1.50 |
Capabilities
No model capability flags are currently sourced.
About Phi-3 Medium 128K
The Phi-3 Medium 128K is an open-source, 14-billion parameter language model by Microsoft, designed for efficient operation in resource-limited environments. Noted for its state-of-the-art performance on reasoning tasks, it excels in language understanding, code generation, and logical reasoning while offering a long context window of up to 128,000 tokens, making it ideal for applications like summarizing lengthy documents. Its dense decoder-only Transformer architecture has been refined with supervised fine-tuning and preference optimization to enhance instruction-following capabilities. Additionally, Phi-3 Medium 128K is optimized for diverse hardware platforms, ensuring broad accessibility and performance 12.