Helicone

Overview

Helicone is an open-source LLM observability and monitoring platform. We integrate Helicone into AI-powered applications to gain full visibility into LLM API usage — tracking costs, latency, token consumption, and output quality across every model call, enabling data-driven optimization of AI systems.

Our Capabilities

• Request logging for all major LLM providers
• Cost tracking & budget alerting per model & user
• Latency & token usage analytics dashboards
• Prompt versioning & A/B testing
• Caching layer to reduce duplicate API costs
• Custom rate limiting & access control
• User & session-level analytics
• Webhook integrations & custom alerting

Common Use Cases

• LLM cost optimization for production apps
• Prompt engineering iteration & testing
• Multi-tenant AI usage monitoring
• Debugging slow or failing LLM requests