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OpenLLMetry
What ChatGPT, Claude, Gemini & Grok actually say · July 2026
The verdict
OpenLLMetry appears in 1 AI-ranked category.
GPT —Claude #5Gemini —
Traceloop's open-source instrumentation emits standard OTel spans for LLM calls into whatever backend you already self-host (Grafana Tempo, Jaeger, SigNoz), meaning zero new stateful services, existing alerting/retention/access controls apply, and no vendor lock-in — the purest platform-engineering answer
Where OpenLLMetry falls short, per the models
- Claude It's instrumentation, not a product — you get spans in a generic trace viewer with no prompt playground, evals, or LLM cost analytics unless you build them yourself
Top alternatives per the models: Langfuse · Arize Phoenix · Helicone · Opik
Rankings are computed from what the models answer, re-polled continuously · raw reasoning shown verbatim · methodology