Langfuse alternatives

The 8 closest alternatives to Langfuse, ranked. Each does roughly the same job from a different angle.

LLM observability and cost monitoring for production AI applications

LLM observability, testing, and evaluation platform from the LangChain team

AI gateway and observability platform: route, monitor, and control LLM API calls

Speech-to-text API and audio intelligence platform with LLM-powered analysis via LeMUR

Open-source text-to-speech toolkit descended from Mozilla TTS, community-maintained after company shutdown

Speech-to-text API and voice agent platform built for real-time low-latency applications

Low-latency voice agent platform with emotion-adaptive dialogue for sales and support

Developer-focused voice AI platform for building production-grade voice agents via API

Frequently Asked Questions

What is the best alternative to Langfuse?

The closest alternative to Langfuse is Helicone, llm observability and cost monitoring for production ai applications.

Why look for an alternative to Langfuse?

Common reasons people switch from Langfuse are pricing, missing integrations, or wanting an open-source option. The picks below cover those angles.