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OpenAI Swarm Alternatives in 2026

The best 8 open-source OpenAI Swarm alternatives in 2026, ranked by GitHub stars. Find free, self-hosted replacements for OpenAI Swarm.

8 Alternatives
100% Open Source
Free To Self-Host

What are the best OpenAI Swarm alternatives in 2026?

The best open-source OpenAI Swarm alternatives in 2026 are MetaGPT, AutoGen, CrewAI, ChatDev, AgentScope. These tools cover the same use cases as OpenAI Swarm — openai's experimental multi-agent orchestration framework — with the advantage of being open-source, free to self-host, and backed by active communities. Top picks are ranked by GitHub stars and community adoption, so you can find a drop-in replacement that fits your workflow.

#1
MetaGPT ★ 70k+ Top Pick

Multi-agent framework assigning roles to GPT models

agent multi-agent code open-sourceMIT
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#2
AutoGen ★ 61k+ Top Pick

Microsoft's multi-agent conversation framework for LLM automation

agent multi-agent microsoft open-sourceMIT
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#3
CrewAI ★ 58k+ Top Pick

Framework for orchestrating role-playing AI agents

agent multi-agent framework open-sourceMIT
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#4
ChatDev ★ 34k+

Communicative agents building software as a virtual company

agent multi-agent code open-sourceApache-2.0
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#5
AgentScope ★ 29k+

Alibaba's multi-agent platform for LLM-based applications

agent multi-agent platform open-source
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#6
CAMEL ★ 18k+

Communicative agents for mind exploration

agent multi-agent research open-source
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#7
AgentVerse ★ 5.1k+

Platform for deploying multiple LLM-based agents collaboratively

agent simulation multi-agent open-source
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#8
AutoGPT ★ 186k+

Autonomous AI agent platform for complex task execution

agent autonomous open-source llmMIT
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Last updated: Aug 28, 2026 · Curated by AI Tools Hub Editorial · About · Contact · Privacy