LLM-Observability for Developers

The open-source platform for logging, monitoring, and debugging.

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Sub-millisecond latency impact
100% log coverage
Industry-leading query times

Ready for real production workloads

1,000
Requests processed per second
1.2 Billion
Total Requests Logged
99.99%
Uptime

Send your first event in seconds

Get started with your preferred integration and provider.

node.js
python
langchain
langchainJS

1import OpenAI from "openai";
2
3const openai = new OpenAI({
4  apiKey: request.env.OPENAI_API_KEY,
5  baseURL: "https://oai.helicone.ai/HELICONE_API_KEY/v1",
6  defaultHeaders: {
7    "Helicone-Property-Environment": "production",
8    "Helicone-User-Id": "test@example.com",
9  },
10});

One observability platform, everything you need

Collect data, monitor performance, and improve your LLM-powered application over time

Labels and Feedback.: Easily segment requests, environments, and more with custom properties.
Caching.: Lower costs and improve performance as well as configure your cache responses.
User Rate Limiting.: Rate limit power users by requests, costs, and more to prevent abuse.
Alerts.: Get notified when your application is down, slow, or experiencing issues.
Key Vault: Securely map and manage your API keys, tokens, and other secrets.
Exporting.: Extract, transform, and load your data using our REST API, webhooks, and more.

Enterprise

Get to production-quality faster

Helicone makes it easy for companies to innovate faster and smarter, ensuring your team can stay ahead of the competition.

Coming Soon

Experiments

Test prompt changes and analyze results with ease. Easily version prompts and compare results across datasets

Prompt Regression Testing
Version and Test
Dataset Comparison and Analysis

Schedule a Demo

Experiments

Test prompt changes and analyze results with ease. Easily version prompts and compare results across datasets

Prompt Regression Testing
Version and Test
Dataset Comparison and Analysis

Schedule a Demo

Customer Portal

Share Helicone dashboards with your team and clients. Easily manage permissions and access.

Share Dashboards
Manage Rate-Limits and Permissions
Customize Branding and Look and Feel

Schedule a Demo

Fine-Tuning

Collect feedback and improve model performance over time. We make it easy to fine-tune and export data.

Fine-tune OpenAI Models
Collect and label data for fine-tuning
Export Data as CSV or JSONL

Get Started

Developer

Fully Open-Source

We believe in the power of community and the importance of transparency. Helicone is fully open-source and available for anyone to use.

Interested in deploying Helicone on-prem?
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