Helicone alternatives

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

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

Open-source LLM observability with full self-hosting and production-ready tracing

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

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

Anthropic's conversational AI with Claude 4 Opus, Sonnet, and Haiku

Frequently Asked Questions

What is the best alternative to Helicone?

The closest alternative to Helicone is LangSmith, llm observability, testing, and evaluation platform from the langchain team.

Why look for an alternative to Helicone?

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