What are the best alternatives to Helicone?

The top alternatives to Helicone are PostHog, SafetyBench Eval, Langfuse, ranked by real usage data on Unfragile.

Are there free alternatives to Helicone?

Yes, 19 free alternatives to Helicone exist, including PostHog, SafetyBench Eval, Langfuse.

20 alternatives ranked by real usage data. Helicone scores 59/100 — 5 tools score higher.

LLM observability via proxy — one-line integration, cost tracking, caching, rate limiting.

20 alternatives

19 free options

5 score higher

Open-source product analytics with LLM observability — traces, costs, evals unified with product metrics.