product · May 20, 2026
LLM Observability Comparison of Langfuse LangSmith and OpenTelemetry Published May 17 2026
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n1n.ai published comparison of LLM observability tools on May 17 2026. Langfuse offers open-source cost-focused free tier of 100k traces per month and self-hosting. LangSmith example showed one team hitting $1200 monthly bill after traffic surge. OpenTelemetry provides vendor-neutral standard without lock-in but requires manual setup.
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