Which is more popular, Dify or Sim.ai?

Dify has more GitHub stars (157,601 vs 29,756).

Which is more actively developed, Dify or Sim.ai?

Sim.ai had more commits in the last 90 days (2,417 vs 2,325).

Should I use Dify or Sim.ai?

Compare their capabilities, limitations and "best for" notes above. Both are open source, so trying each on a small task is the fastest way to decide.

Dify vs Sim.ai

Side-by-side comparison of two AI agent tools

Difyfree

Production-ready platform for agentic workflow development.

Sim.aiopen-source

Sim is the collaborative workspace to build, deploy, and monitor AI agents and workflows. Used by 100,000+ builders.

Metrics

	Dify	Sim.ai
Stars	157.6k	29.8k
Star velocity /mo	3.7k	2.5k
Commits (90d)	2.3k	2.4k
Releases (6m)	9	10
Overall score	0.8816992920739241	0.8900603737544774

Pros

+生产级稳定性和企业级功能支持，适合大规模部署应用
+可视化工作流编辑器，大幅降低 AI 应用开发门槛
+活跃的开源社区和丰富的生态系统，持续更新迭代

Cons

-学习曲线存在，需要时间熟悉平台的各种组件和配置
-复杂工作流的性能优化需要深入了解平台机制
-自部署版本需要一定的运维能力和资源投入

Use Cases

•企业客服机器人和智能助手的快速开发与部署
•复杂业务流程的自动化处理，如文档分析、数据处理等
•知识库问答系统和内容生成应用的构建

View Dify Details View Sim.ai Details

FAQ

Which is more popular, Dify or Sim.ai?: Dify has more GitHub stars (157,601 vs 29,756).
Which is more actively developed, Dify or Sim.ai?: Sim.ai had more commits in the last 90 days (2,417 vs 2,325).
Should I use Dify or Sim.ai?: Compare their capabilities, limitations and "best for" notes above. Both are open source, so trying each on a small task is the fastest way to decide.