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Feature comparison of selected websites
	AutoGPT Build and run autonomous AI agents.	LangChain The framework for LLM apps.	CrewAI Orchestrate role-playing AI agents.
Rating	—	—	—
Pricing	Free	Free	Free
Open source
Category	Agent Frameworks	Agent Frameworks	Agent Frameworks
Key features	Visual agent builder Continuous autonomous runs Reusable agent blocks	Chains, agents, and tools Hundreds of integrations Python and JS	Role-based agent crews Task delegation Standalone (no LangChain needed)
Pros	Pioneered autonomous agents Large community	Huge ecosystem and examples Covers the whole app surface	Simple multi-agent model Fast to prototype crews
Cons	Can wander without guardrails Heavier to self-host	Abstractions can feel heavy Fast-moving API	Younger project Complex flows need care
	Visit agpt.co	Visit langchain.com	Visit crewai.com

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