Helicone AI

Open-source LLM Observability for Developers

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Helicone is the open-source gateway for routing, debugging, and analyzing AI applications. 1-line integration to access 100+ models, full observability, cost tracking, and prompt analytics — all in one place. The world’s fastest-growing AI companies build on Helicone.

Helicone AI

Launch date
Helicone.ai The open-source AI gateway for AI-native startups

Launched on November 6th, 2025

Helicone AI Open-source LLM Observability for Developers

Launched on August 22nd, 2024