Comparison

Features	Upsonic	CrewAI	LangGraph
Github Star	6.7K	27.1K	9.4K
Pricing	Open Source / Enterprise Edition	Open Source / Enterprise Edition	Open Source / Enterprise Edition
Architecture	Task-based agent architecture	Role-Based agent architecture	Graph-based multi-agent architecture
Reliability Score	98.2%	87.5%	6.3%
Learning Curve	Easy	Easy	A little bit difficult (Graph structure)
Tools (MCP)	✅	❌	✅
*Development Experience	Tasks and Agents can be implemented with just two lines of code rapid development and iteration processes.	Multiple file structures, YAML configurations, and various setup files are required for implementation.	A graph-based design implementation is required, which presents challenges in terms of clarity.”
Using as Client	✅	❌	❌
Multi-Agent Processing	✅	✅	✅
Process Control (Human-in-the-loop)	✅	✅	✅
Dependency	Few dependency	Heavy Installation / Many dependency	Few dependency
Light Weight	❌	❌	✅
Memory Capability	Low	High	High
Knowledge Base Capability	Low	High	High
Direct LLM Call	✅	❌	❌
Object Response	✅	✅	✅
Reflection	✅	❌	❌
Flow	❌	✅	✅
Planning	✅	✅	✅