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Langfuse vs Helicone
This comparison was retrieved by database IDs selected from the catalog.
Langfuse
Langfuse
Helicone
Helicone
Free self-hosted (open source). Hobby cloud plan free. Pro cloud $59/month. Team $399/month. Enterprise custom pricing.
Free plan with 100,000 requests/month. Pro $20/month with more requests and features. Teams and Enterprise custom pricing. Open source self-hosted option available.
Self-hosted: complete data control. Cloud: review Langfuse's data handling policy. Enterprise includes data processing agreements.
Open source self-hosted provides complete data control. Cloud proxy: review Helicone's data handling policy. Production AI traffic routed through Helicone's infrastructure.
Self-hosted Langfuse keeps all trace data within your infrastructure. Cloud version processes trace data on Langfuse's servers. Review privacy policy for applications with sensitive user data.
Cloud version routes all AI API traffic through Helicone's proxy. Review privacy implications for sensitive production data. Self-hosted option provides complete data control.
- Open source self-hosting provides complete data control for sensitive applications
- Evaluation framework goes beyond tracing to quality assessment
- Dataset management enables regression testing across prompt versions
- Integrates with LangChain, LlamaIndex, and most major LLM frameworks
- Minimal integration — one URL change enables full request logging
- Cost visibility immediately identifies expensive prompts and usage patterns
- Caching reduces API costs for applications with repetitive queries
- Open source self-hosted option for data privacy requirements
- Requires setup investment to get value from tracing and evaluation
- Team plan at $399/month is expensive for smaller teams
- Not useful without LLM applications to monitor
- Proxy-based architecture requires routing production traffic through Helicone's servers (cloud version)
- Less feature depth than Langfuse or LangSmith for advanced evaluation
- Full cloud observability depends on routing all AI traffic externally
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