
Helicone AI
Helicone is an open-source LLM observability platform that helps developers monitor, debug, and optimize AI applications with one-line integration.





Building AI applications shouldn't be a guessing game, yet many developers struggle to understand what's happening inside their language models. Helicone AI solves this problem by providing complete visibility into your AI applications with just one line of code.
This open-source platform transforms how developers monitor and optimize their Large Language Model deployments. Founded in 2023 and backed by Y Combinator, Helicone has quickly become the go-to solution for thousands of AI developers worldwide.
Whether you're building chatbots, content generators, or complex AI agents, Helicone gives you the insights needed to deliver reliable, cost-effective applications. The platform supports over 100 AI models from providers like OpenAI, Anthropic, and Google, making it easy to track performance across different services.
What is Helicone AI
Helicone AI is an open-source observability platform designed specifically for developers working with Large Language Models. Think of it as your AI application's dashboard that shows you everything happening under the hood.
The platform works as a smart proxy between your application and AI providers, capturing detailed logs, metrics, and performance data without requiring complex setup or code changes. What makes Helicone special is its simplicity - you just change one line in your code to start monitoring everything.
The platform tracks costs, latency, user interactions, and model performance in real-time. It also includes advanced features like prompt management, caching to reduce expenses, and intelligent retry mechanisms. Built by developers for developers, Helicone supports both cloud-hosted and self-hosted deployments, ensuring you maintain control over your data while getting powerful insights into your AI applications.
How to use Helicone AI
Getting started with Helicone is incredibly simple and takes just minutes. First, sign up for a free account at helicone.ai and generate your API key from the dashboard. The basic integration requires changing just one line of code in your existing application.
For OpenAI integration:
Replace your base URL from
https://api.openai.com/v1
tohttps://oai.helicone.ai/v1
Add your Helicone API key to the headers
Your existing code continues working normally
Key steps to maximize results:
Set up custom properties to track users and sessions
Use prompt management features to version your prompts
Enable caching to reduce costs on repeated requests
Configure alerts for unusual patterns or errors
Explore the dashboard to understand usage patterns
The platform automatically starts logging all requests, providing instant visibility into costs, latency, and performance. You can track which users drive the most API usage, identify slow prompts, and spot errors before they impact users.
Features of Helicone AI
Helicone offers a comprehensive suite of tools designed to make AI development more efficient and reliable. The platform provides real-time monitoring and analytics, giving you instant insights into request volume, costs, latency patterns, and error rates across all your AI models.
Core features include:
Prompt Management: Version control and experimentation for your prompts with A/B testing capabilities
Smart Caching: Automatic caching of responses to reduce costs and improve speed
Session Tracking: Group related requests to understand user journeys and conversation flows
Custom Properties: Label requests with user IDs, environments, or any metadata for detailed analysis
Gateway Features: Load balancing, failover, and rate limiting across multiple AI providers
Evaluation Tools: Built-in evaluation frameworks to measure prompt performance and output quality
Enterprise Security: SOC-2 Type II and GDPR compliance with optional data encryption
The platform supports over 100 AI models from major providers and offers flexible deployment options including cloud-hosted, self-hosted, and on-premise solutions for maximum control over your data.
Helicone AI Pricing
Helicone offers flexible pricing that scales with your needs, starting with a generous free tier perfect for getting started.
Free Plan: Get 10,000 logs per month with core monitoring features, custom properties, and basic analytics. Perfect for small projects and testing.
Pro Plan ($20/month): Includes 10,000 logs plus usage-based pricing for additional logs at competitive rates. Features prompt management, advanced analytics, and priority support.
Team Plan ($200/month): Designed for growing companies with unlimited logs, unlimited seats, collaborative workspaces, and enhanced security features including SOC-2 compliance.
Enterprise Plan: Custom pricing with dedicated support, SAML SSO, on-premise deployment options, custom MSAs, and bulk discounts for large-scale operations.
Special discounts available including 50% off the first year for startups under 2 years old with less than $5M funding, plus academic discounts for students and educators.
FAQ's About Helicone AI
Share your experience with Helicone AI
See what users are saying about Helicone AI
0 Reviews
No reviews yet
Be the first to review Helicone AI
Embed Helicone AI badges
Show your community that Helicone AI is featured on Tool Questor. Add these beautiful badges to your website, documentation, or social profiles to boost credibility and drive more traffic.
Best Alternatives to Helicone AI

Continue
Continue is an open-source AI coding assistant that brings custom AI agents directly into VS Code and JetBrains IDEs.

BuildShip
BuildShip is an AI-powered visual backend builder that lets you create APIs, workflows, and automation without coding.

Warp
Warp is a modern AI-powered terminal and development environment that helps developers build, debug, and ship code faster.

Wordware
Wordware is a natural language programming platform that lets anyone build, iterate, and deploy AI agents without coding.