The easiest way to monitor your LLM-applications at scale

Join thousands of developers and companies who have streamlined their LLM-powered application infrastructure with Helicone's solutions.

Backed by Combinator
Fully open-source
App screenshot

Unlocking the full potential of LLM's.

Modern startups and enterprises use Helicone.


Monitoring has never been easier

Designed to work out of the box, Helicone provides meaningful insights that help you understand your applications performance in real-time.


Meaningful Insights

High-level metrics to help you monitor your application


2 lines of code

Get integrated in seconds. Not days.


Model Breakdown

Understand your model usage and costs.


Practical Playground

Easily replay, debug, and experiment with your user's sessions.

Any model, any scale

We support any provider and model, as well as fine-tuned models. All with sub millisecond latency and query times.

Support for all models

Our custom-built mapper engine and gateway allows us to support any model from any provider.


Built for scale

We meticulously designed Helicone to support millions of requests per second with no latency impact.

Purpose-built tooling for LLM developers.

Everything you need to build, deploy, and scale your LLM-powered application

  • Custom Properties

    Easily segment requests.

  • Caching

    Save time and money.

  • Rate Limiting

    Protect your models from abuse.

  • Retries

    Retry failed or rate-limited requests.

  • Feedback

    Identify good and bad requests.

  • Vault

    Securely map your provider keys.

  • Jobs

    Visualize chains of requests.

  • GraphQL

    ETL your data to your favorite apps.

  • Alerts

    Get notified on important events.

Frequently asked questions