Comparison

CrewAI vs Semantic Kernel

A like-for-like, spec-level comparison. Both entries are verified against their docs and repo.

CrewAI

Role-playing multi-agent crews.

+ Intuitive role-and-task mental model
+ Fast to prototype multi-agent flows
− Less fine-grained control than LangGraph
− Can be token-inefficient at scale

Semantic Kernel

Microsoft's SDK for enterprise AI orchestration.

+ Strong .NET and Java story for enterprise
+ Planner abstraction for tool orchestration
− Enterprise-flavored, less hacker-friendly
− Concept-heavy docs

Spec	CrewAI	Semantic Kernel
Category	framework	framework
License	MIT	MIT
Open source	Yes	Yes
Self-hostable	Yes	Yes
MCP support	Yes	Yes
Pricing	freemium	free
Starting price	BYOK usage cost	BYOK usage cost
Models	claude, gpt, gemini, byok	gpt, claude, byok
Languages	python	csharp, python, java
GitHub stars	54.4k	28.2k
Last activity	2026-06-25	2026-06-25