open-duet vs CrewAI
open-duet: Open Duet is an open-source workspace for named AI agents that runs on your computer or a server you control. Each agent has instructions, an engine, a workspace, memory and approval settings; a lead agent can delegate to specialists, routines run on schedules or triggers, and you review tool activity and approvals in the app. It brings no model of its own: you connect Claude Code, Codex, Gemini CLI, Cursor, any ACP agent, OpenRouter or an OpenAI-compatible API.; CrewAI: CrewAI is a lean, lightning-fast Python framework designed for multi-agent automation, independent of other agent frameworks. It empowers developers to build autonomous AI agents with both high-level simplicity and precise low-level control for various scenarios.
TL;DR
A weekly project briefing assembled by a lead agent and specialists
- You want a Python framework that combines autonomous role-based agent teams (Crews) with deterministic event-driven workflows (Flows).
- You need built-in checkpointing, structured outputs, human-in-the-loop input, and MCP/A2A support under an MIT license.
- Your stack is .NET or multi-language; Microsoft Agent Framework or Google ADK cover non-Python runtimes.
- You want a lightweight, single-agent loop focused purely on strict Pydantic type validation; Pydantic AI is simpler for that.
Side-by-Side Comparison
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