1# Azure AI Foundry
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3Azure AI Foundry (formerly Azure OpenAI) for building AI-powered applications with models like GPT-4o, GPT-4, and embeddings.
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5> **💡 For detailed AI guidance**, invoke the **`microsoft-foundry`** skill. It provides model catalog access, RAG patterns, agent creation, and evaluation workflows.
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7## When to Use
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9- Chat and conversational AI applications
10- Text generation and completion
11- Code generation assistants
12- Document analysis and summarization
13- Embeddings for search and RAG
14- Multi-modal applications (vision + text)
15 
16## Service Type in azure.yaml
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18```yaml
19services:
20  my-ai-service:
21    host: containerapp  # AI services typically deployed via Container Apps
22    project: ./src/ai-service
23```
24 
25## Required Supporting Resources
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27| Resource | Purpose |
28|----------|---------|
29| Azure AI Foundry account | Model hosting |
30| Model deployment | Specific model (GPT-4o, GPT-4, etc.) |
31| Key Vault | Store API keys securely |
32| Application Insights | Monitor usage and costs |
33 
34## Model Selection
35 
36| Model | Best For | Context Window |
37|-------|----------|----------------|
38| GPT-4o | General purpose, vision, latest | 128K |
39| GPT-4 | Complex reasoning | 32K |
40| GPT-3.5-Turbo | Cost-effective, simple tasks | 16K |
41| text-embedding-ada-002 | Embeddings for RAG/search | 8K |
42 
43## References
44 
45- [Region Availability](region-availability.md)
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