helicone
An open-source LLM observability platform that enables monitoring, evaluation, and experimentation with just one line of code.
- Region
- Overseas
- Pricing
- Free + Paid
- Open source
- Yes
- GitHub Stars
- ★ 5.8k
- Source
- GitHub
- Added
- 2026-06-06
- Last verified
- 2026-06-06
Overview
Helicone is an open-source LLM observability platform that allows you to monitor, evaluate, and experiment with just one line of code. It addresses common challenges AI engineers face when working with large language models, such as cost tracking, latency monitoring, and quality control. By simply integrating Helicone's API key into your existing project, you can immediately leverage its powerful features for model management and optimization. The tool is especially suitable for technical teams that need efficient management and performance analysis across multiple AI models.
Key features
- ▪Cost and latency tracking
- ▪Dataset and fine-tuning support
- ▪Automatic failover mechanism
- ▪Fast integration with mainstream AI services
Use cases
Pros
- +Easy integration
- +Comprehensive observability
- +Enterprise-grade security standards
Limitations / notes
- -Some advanced features may require payment
Who it's for
This overview was compiled by AI from public sources and may contain inaccuracies — please refer to the official site.
FAQ
How do I get started with Helicone?
Register to get your API key and add it to your code.
Does Helicone offer a free trial?
Yes, there is a free tier with 10,000 requests per month.
Something wrong? Let us know on the About page and we'll fix it.