Which is more popular, helicone or Kong?

Kong has more GitHub stars (44,225 vs 6,190).

Which is more actively developed, helicone or Kong?

helicone had more commits in the last 90 days (10 vs 10).

Should I use helicone or Kong?

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.

helicone vs Kong

Side-by-side comparison of two AI agent tools

heliconeopen-source

🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓

Kongopen-source

🦍 The API and AI Gateway

Metrics

	helicone	Kong
Stars	6.2k	44.2k
Star velocity /mo	133.63636363636363	3.7k
Commits (90d)	10	10
Releases (6m)	0	2
Overall score	0.4513787902052352	0.7066243605192998

Pros

+一行代码集成多个主流 AI 服务商，支持 OpenAI、Anthropic、Gemini 等
+完整的可观测性套件，包含请求追踪、成本监控、延迟分析和质量评估
+开源架构提供完全的数据控制权和自定义能力，无厂商锁定风险

Cons

-相对较新的项目，生态系统和第三方集成可能不如成熟的商业解决方案完善
-自部署需要一定的运维成本和技术能力
-大规模使用时可能需要额外的性能优化和资源配置

Use Cases

•AI Agent 系统的全链路监控和调试，追踪多步骤推理过程和工具调用
•生产环境中的 LLM 成本控制和性能优化，实时监控 API 使用情况
•多模型 A/B 测试和提示工程，比较不同模型和提示版本的效果

View helicone Details View Kong Details

FAQ

Which is more popular, helicone or Kong?: Kong has more GitHub stars (44,225 vs 6,190).
Which is more actively developed, helicone or Kong?: helicone had more commits in the last 90 days (10 vs 10).
Should I use helicone or Kong?: 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.