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Compare observability & evals

Helicone vs Langfuse

Two observability & evals tools for AI agents, side by side. Facts come from each tool's own site.

Helicone

helicone.ai

AI gateway with routing and LLM observability.

Open sourceNew
Visit Helicone

Langfuse

langfuse.com

Open-source tracing, evals, and observability for agents.

Open sourceNew
Visit Langfuse
Helicone compared with Langfuse
HeliconeLangfuse
What it doesAI gateway with routing and LLM observability.Open-source tracing, evals, and observability for agents.
In their wordsHelicone / AI Gateway & LLM ObservabilityLangfuse: Open Source Agent Evals & Observability
Open sourceYesYes
Websitehelicone.ailangfuse.com
Link checked2026-10-162026-10-16

More options:Alternatives to HeliconeAlternatives to LangfuseGuide: Best observability and eval tools for AI agents

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