Helicone
Open-source LLM observability.
FreemiumVerified FreeAPIOpen source
100 · Fresh2026-07-09
Live preview of https://www.helicone.ai
TL;DR
Helicone logs, monitors, and analyzes LLM usage via a one-line proxy; free tier.
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FAQ
Is Helicone free?
Helicone has a machine-verified free tier (no card required).
Does Helicone have an API?
Yes, Helicone offers an API.
What are alternatives to Helicone?
Alternatives include Speakeasy, Softr, Continue.