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Open LLM observability (Phoenix)
OSS traces, embeddings visualization, and eval datasets as a Langfuse peer or complement.
TrialObservabilityNew
- Why this ring
- Trial when you want open tooling and embedding debugging beyond basic request logs.
- Production risk if ignored
- Two observability tools without ownership - neither becomes the source of truth.
- Typical effort
- weeks
- Low FinOps impact
Use cases
- Embedding drift views
- Trace debugging
- Offline eval notebooks
Adoption steps
- Instrument one app
- Compare vs Langfuse
- Pick primary store
- Export for compliance
Related tools
In your assessment
Observability tool consolidation + coverage