Helicone
The open-source observability platform for LLMs.
Overview
Helicone is an open-source observability platform for Large Language Models. It acts as a proxy that logs all requests to LLM providers, providing developers with insights into cost, latency, and usage. Helicone also offers features like caching, rate limiting, and user tracking to help manage and optimize LLM applications.
✨ Key Features
- Proxy-based, minimal code change setup
- Cost, latency, and usage monitoring
- Request and response logging
- Built-in caching to reduce costs
- Rate limiting and budget management
- User tracking and analytics
- Open-source and self-hostable
🎯 Key Differentiators
- Easy setup via a proxy (often a one-line code change)
- Open-source with a self-hosting option
- Built-in caching to reduce costs and latency
- Runs on Cloudflare Workers for low latency
Unique Value: Provides powerful LLM observability with minimal setup effort, along with features like caching and rate limiting to optimize cost and performance.
🎯 Use Cases (5)
✅ Best For
- Cost management for OpenAI-powered applications
- Low-effort monitoring for early-stage LLM projects
- Caching frequent LLM requests to improve performance
💡 Check With Vendor
Verify these considerations match your specific requirements:
- Users needing deep evaluation of LLM output quality (hallucinations, safety)
- Organizations requiring a unified platform for both traditional ML and LLMs
🏆 Alternatives
Much easier to set up than SDK-based solutions like Langfuse or Datadog. It focuses more on the operational aspects (cost, latency) rather than the deep evaluation of outputs.
💻 Platforms
🔌 Integrations
🛟 Support Options
- ✓ Email Support
- ✓ Live Chat
- ✓ Dedicated Support (Enterprise tier)
🔒 Compliance & Security
💰 Pricing
Free tier: Up to 100,000 requests/month
🔄 Similar Tools in AI Observability & Monitoring
Arize AI
An AI observability and LLM evaluation platform for monitoring, troubleshooting, and improving machi...
Datadog LLM Observability
Provides end-to-end visibility for large language model (LLM) applications, from the infrastructure ...
Fiddler AI
An AI observability platform for monitoring, explaining, analyzing, and improving ML and LLM models ...
Langfuse
An open-source platform for LLM observability, evals, prompt management, and metrics to debug and im...
Galileo AI
An observability and evaluation platform that helps teams ship reliable AI agents faster by automati...
New Relic
A full-stack observability platform that provides monitoring for infrastructure, applications, and n...