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Helicone

Ship AI apps with confidence through comprehensive LLM observability.

Helicone is an open-source LLM observability platform that enables developers to monitor, debug, and optimize AI agent performance across multiple providers with comprehensive logging and insights.

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Free + Paid
Closed Source
Helicone AI agent

Overview

Helicone is a powerful, open-source platform designed to provide comprehensive observability and monitoring for Large Language Model (LLM) applications. Built to support developers and AI teams, it offers end-to-end visibility into AI agent interactions, performance, and cost management.

Key Features

  • Multi-provider integration (OpenAI, Anthropic, Azure, and more)
  • Real-time request logging and tracing
  • Detailed performance and cost analytics
  • Prompt experimentation and evaluation tools
  • Production-ready monitoring dashboard
  • Open-source with flexible deployment options

Use Cases

  • Debugging complex AI agent workflows
  • Tracking and optimizing LLM API costs
  • Monitoring production AI application performance
  • Comparing model performance across providers
  • Identifying and resolving AI interaction bottlenecks

Technical Specifications

  • Supports major LLM providers
  • Async and proxy integration methods
  • Zero-latency logging options
  • Compatible with various AI frameworks
  • HELM chart for on-premise deployment
  • Comprehensive SDK and API support