Monitoring & Observability
🎯 Langfuse vs LangSmith
Community Vote — Which tool wins?
Langfuse
Tool AOpen-source LLM engineering platform for traces, prompts, and metrics.
Starting Price
Open-source + Cloud
Key Strengths
- ✓Fully open-source with self-hosting that has complete feature parity with the cloud version
- ✓Hierarchical tracing captures the full execution tree of complex agent workflows, not just LLM calls
- ✓Prompt management with versioning and production linking creates a tight iteration feedback loop
LangSmith
Tool BTracing, evaluation, and observability for LLM apps and agents.
Starting Price
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Key Strengths
- ✓Comprehensive observability with detailed trace visualization
- ✓Native MCP support for universal agent tool deployment
- ✓Generous free tier for individual developers and small projects
Which would you choose for...
Vote in each scenario below