langgraph vs ray
Side-by-side comparison of two AI agent tools
langgraphopen-source
Build resilient language agents as graphs.
rayopen-source
Ray is an AI compute engine. Ray consists of a core distributed runtime and a set of AI Libraries for accelerating ML workloads.
Metrics
| langgraph | ray | |
|---|---|---|
| Stars | 28.0k | 41.9k |
| Star velocity /mo | 2.5k | 97.5 |
| Commits (90d) | — | — |
| Releases (6m) | 10 | 10 |
| Overall score | 0.8081963872278098 | 0.7060631274997917 |
Pros
- +Durable execution ensures agents automatically resume from exactly where they left off after failures or interruptions
- +Comprehensive memory system with both short-term working memory for ongoing reasoning and long-term persistent memory across sessions
- +Seamless human-in-the-loop capabilities allow for inspection and modification of agent state at any point during execution
- +统一的分布式框架，将数据处理、训练、调优和服务集成在单一平台中，减少了技术栈复杂性和学习成本
- +平台无关设计，支持从本地开发到云端生产的无缝部署，兼容所有主流云提供商和Kubernetes环境
- +强大的生态系统，拥有41000+GitHub星数和活跃的社区，提供丰富的集成和扩展能力
Cons
- -Low-level framework requires more technical expertise and setup compared to high-level agent builders
- -Graph-based agent design paradigm may have a steeper learning curve for developers new to agent orchestration
- -Production deployment complexity may be overkill for simple chatbot or single-turn use cases
- -分布式系统的学习曲线较陡峭，需要理解分布式计算概念和Ray特有的编程模式
- -对于简单的单机任务可能存在过度工程化的问题，引入了不必要的复杂性
- -资源消耗较高，运行分布式集群需要相当的内存和计算资源投入
Use Cases
- •Long-running autonomous agents that need to persist through system failures and operate over days or weeks
- •Complex multi-step workflows requiring human oversight, approval, or intervention at specific decision points
- •Stateful agents that must maintain context and memory across multiple sessions and interactions
- •大规模机器学习训练：利用Train库在多GPU/多节点环境下进行深度学习模型的分布式训练，显著缩短训练时间
- •超参数优化：使用Tune库对机器学习模型进行大规模并行的超参数搜索和调优，找到最优模型配置
- •强化学习应用：通过RLlib构建和训练复杂的强化学习算法，适用于游戏AI、机器人控制和自动化决策系统