A2A vs AG2 Comparison in 2025

A2A

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A2A: Standard for AI agent communication. Agent discovery, structured tasks, real-time updates. Simplify complex workflows. Open-source!

AG2

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AG2: The open-source framework to build advanced multi-agent AI systems. Simplify orchestration, human control, & empower agents with tools.

A2A

Launched
Pricing Model	Free
Starting Price
Tech used
Tag	Multi-Agent Framework

AG2

Launched	2024-11
Pricing Model	Free
Starting Price
Tech used
Tag	Agent Development Frameworks,Multi-agent Framework,Software Development

A2A Rank/Visit

Global Rank
Country
Month Visit

Top 5 Countries

Traffic Sources

AG2 Rank/Visit

Global Rank	390502
Country	United States
Month Visit	71853

Top 5 Countries

23.4%

13.05%

7.81%

6.09%

5.78%

United States India Russia Spain Vietnam

Traffic Sources

9.2%

1.14%

0.12%

10.23%

34.5%

44.7%

social paidReferrals mail referrals search direct

Estimated traffic data from Similarweb

What are some alternatives?

When comparing A2A and AG2, you can also consider the following products

II Agent - II-Agent: Open-source AI assistant automating complex, multi-step tasks. Powers research, content, data, dev & more. Enhance your workflows.

OpenAgents - OpenAgents is an open-source project for building Agent Networks and connecting AI Agents at scale. Developers use OpenAgents to launch and join networks with thousands of agents to collaborate, tackle complex challenges, learn and grow in one community.

Agent Squad - Agent Squad: Open-source framework to orchestrate AI agent teams for complex conversations. Python & TS support, flexible context & routing.

Atomic Agents - Atomic Agents: Python framework for predictable AI. Build modular, reliable agent pipelines with full control.