Helicone/helicone

Helicone is an open-source LLM observability platform and AI Gateway designed for AI engineers. It simplifies the management and monitoring of large language model interactions by offering a unified API key for over 100 AI models, intelligent routing, and automatic fallbacks. With a quick one-line code integration, developers can log requests from various providers like OpenAI and Anthropic. The platform provides robust observability features for inspecting and debugging LLM traces and sessions, alongside advanced analytics for tracking critical metrics such as cost, latency, and quality. Additionally, it includes prompt management for versioning and deploying prompts without code changes, and supports fine-tuning through partners, making it an enterprise-ready solution for developing and deploying AI applications.