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by Helicone

🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓

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#agent-monitoring #analytics #evaluation #gpt #langchain #large-language-models #llama-index #llm+11 more

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Created

Jan 31, 2023

Last Updated

Apr 10, 2026

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🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓

Technologies & Topics

agent-monitoring analytics evaluation gpt langchain large-language-models llama-index llm llm-cost llm-evaluation llm-observability llmops monitoring open-source openai playground prompt-engineering prompt-management ycombinator

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helicone

Organization

by Helicone

🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓

View on GitHub

#agent-monitoring #analytics #evaluation #gpt #langchain #large-language-models #llama-index #llm+11 more

5.5k

Stars

508

Forks

5.5k

Watchers

Issues

Repository Details

Created

Jan 31, 2023

Last Updated

Apr 10, 2026

Primary Language

TypeScript

License

Repository Size

777.0k KB

Quick Actions

Open in GitHub

Project Overview

About this repository

🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓

Technologies & Topics

Default Branch

main

README

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helicone

About this repository

Technologies & Topics

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helicone

About this repository

Technologies & Topics

Default Branch