AI ranking change · 2026-07-13
Langfuse overtakes LangSmith as Gemini's #1 pick
for ai agent observability tool
LangSmith→Langfuse
On 2026-07-13, 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 2026-07-12.
“[Near-tie with Arize Phoenix] Fully open-source (MIT licensed) and framework-agnostic platform that excels at visualizing nested, multi-step agentic traces (loops and tool calls), managing prompts, and executing LLM-as-a-judge evaluations without vendor lock-in.”— Gemini
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