No free plan. The cheapest way in is Pay-as-you-go at Variable based on usage. Consider free alternatives in the ai agents category if budget is tight.
Azure AI Agent Service is now part of Azure AI Foundry (previously called Azure AI Studio). Foundry is the broader platform for building AI applications, while the Agent Service is the specific component for creating and deploying AI agents with tool use, multi-agent orchestration, and enterprise security.
You can access over 11,000 models from the Azure AI model catalog, including OpenAI GPT-4o, Meta Llama, Mistral, and many more. You can also bring your own fine-tuned models. The platform supports switching between models without code changes.
Azure AI Agent Service uses pay-per-use pricing based on the underlying resources consumed: model inference (token-based), storage, search queries, and compute. Pre-purchase discounts are available for committed usage. There is no separate per-agent fee.
Yes, multi-agent orchestration is a core feature. Using frameworks like AutoGen and Semantic Kernel, you can create agent teams where specialized agents collaborate on complex tasks, with built-in patterns for delegation, handoff, and parallel execution.
See Microsoft Foundry Agent Service plans and find the right tier for your needs.
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Last verified March 2026