ModelsAgree

AI ranking change · 2026-08-14

Langfuse overtakes LangSmith as Gemini's #1 pick

for ai agent observability tool

LangSmithLangfuse

On 2026-08-14, Gemini changed its #1 recommendation for best ai agent observability tool — dropping LangSmith from the top spot in favor of Langfuse. The previous #1 had held since 2026-07-15.

Open-source (self-hostable or SaaS) with native OpenTelemetry support, outstanding visual trace trees for nested agent loops/subagents/tool calling, robust prompt management, and granular cost/latency analytics without framework lock-in.Gemini

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