Side-by-side comparison of free tiers, features, privacy, and company background. Updated for 2026.
Microsoft multi-agent framework — 54K+ stars
Microsoft's multi-agent framework focuses on conversations between agents that collaborate to solve tasks. At 54K+ stars, it is one of the most popular agent frameworks and excels at scenarios where agents need to debate and iterate.
Install with pip install autogen-agentchat → Define two or more agents with different system prompts → Start a group chat and let them collaborate on a task
Multi-agent orchestration — role-based, 44K+ stars
Makes multi-agent systems intuitive by letting you define agents with roles, goals, and backstories — like assembling a team. At 44K+ stars, it has strong community support and integrates well with most LLM providers.
Install with pip install crewai → Define agents with roles and goals in Python → Create a Crew with tasks and kick it off