Microsoft Agent Framework

sdk-framework

Properties

vendor: Microsoft
url: https://learn.microsoft.com/en-us/agent-framework/overview/
whatItIs: The open-source successor to AutoGen and Semantic Kernel for building multi-agent systems with workflows, function calling, and observability.
hosting: both
pricingModel: open-source
modelProviders: multi-model (Azure OpenAI, OpenAI, others)
stateModel: in-process + workflow state
toolModel: function-calling + MCP + plugins
includesBrowser: false
includesMemory: true
longRunning: caller-managed
hitlSupport: true
observability: OTEL + Application Insights
maturity: ga
launched: 2026-Q1
notes: AutoGen moved to maintenance early 2026; Agent Framework is the consolidated Microsoft successor. Designed to host inside Foundry Agent Service.

sdk-framework

vendor: Microsoft
url: https://learn.microsoft.com/en-us/agent-framework/overview/
whatItIs: The open-source successor to AutoGen and Semantic Kernel for building multi-agent systems with workflows, function calling, and observability.
hosting: both
pricingModel: open-source
modelProviders: multi-model (Azure OpenAI, OpenAI, others)
stateModel: in-process + workflow state
toolModel: function-calling + MCP + plugins
includesBrowser: false
includesMemory: true
longRunning: caller-managed
hitlSupport: true
observability: OTEL + Application Insights
maturity: ga
launched: 2026-Q1
notes: AutoGen moved to maintenance early 2026; Agent Framework is the consolidated Microsoft successor. Designed to host inside Foundry Agent Service.