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Agent frameworks & harnesses · AG2

Editorial

AG2

Open-source agent framework, formerly AutoGen. The PyPI package is ag2. Version 1.3.1, uploaded November 10, 2026, changes the A2UI v1.0 version string and adds sandbox backends.

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Pricing

The GitHub logoGitHub license field was Apache-2.0 on November 11, 2026. AG2 does not list a framework subscription on the release. Model calls are billed by the provider you configure.

Vendor pricing checked November 11, 2026.

Best fit

Libraries and harnesses for building agents: the loop, tools, memory, and permissions around a model. Listed use: agents, coding. Listed audience: Builders.

Quick facts

Category
Agent frameworks & harnesses
Pricing
Open source
Status
Editorial
Vendor
AG2
Last verified
November 11, 2026
Use
agents, coding

Features

  • Python framework for multi-agent workflows. The repository description says formerly AutoGen
  • Sandbox tools with E2B and boxd backends in 1.3.1
  • MCP Apps for browser hosts. MCP-UI is documented as legacy and still works
  • Apache-2.0 on the GitHub logoGitHub repository, read November 11, 2026

Pricing

The GitHub logoGitHub license field was Apache-2.0 on November 11, 2026. AG2 does not list a framework subscription on the release. Model calls are billed by the provider you configure.

Open source

Social

GitHub

Install the PyPI package ag2. On the morning of November 11, 2026, ag2 was 1.3.1, uploaded at 2026-11-10T21:03:53Z. The packages named autogen and pyautogen were older distributions. The GitHub tag is v.1.3.1, with the extra dot.

A2UI v1.0 messages now carry "version": "1.0". The rest of that upgrade, and the pins around it, are AI agent framework release November 2026. How the release counts split from microsoft/autogen is the November 11 cadence note. Whether the old project is maintained is Is AutoGen deprecated?. The framework comparison is the wider table.

Tags

frameworkmulti-agentopen-sourceagents

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Category: Agent frameworks & harnesses

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AG2 is not a row on Best AI agent harness yet. The first rows of that sourced table are below. Order is not a quality score. Last verified November 2026.

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