Breadcrumb
Guide

Introduction

Open-source LLM tracing for TypeScript.

Breadcrumb is an open-source tracing platform for LLM applications. It captures every model call your app makes - prompts, completions, tokens, latency, and cost.

Set up hosting

Self-host Breadcrumb on your own infrastructure, or sign up for updates on the hosted version.

Start tracing

Follow the quick start to install the SDK and send your first trace.

Stay in the loop

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