The LLM observability platform for monitoring, debugging and improving your AI apps. Helicone is an open-source observability platform that provides a 1-line integration to access cost tracking, agent tracing, prompt management and more - get started for free.

The open-source AI gateway with built-in observability, automatic failover, and a one-line integration. Add credits, and get instant access to 100+ models through one API key. OpenAI compatible, zero markup, and trusted by teams like DeepAI, PodPitch, and Sunrun.