---
title: "Discussion on \"GPT-6.1 Sol Is Free on Codex: Build a Broken Link Checker for Your Markdown Files\" | Hashnode"
description: "Discussion on \"GPT-6.1 Sol Is Free on Codex: Build a Broken Link Checker for Your Markdown Files\". GPT-6.1 Sol is free to use on sign-up credit. A good first project: a command that reads your README or docs folder and lists every link that's dead. Small, and you'll actually use it.\n1. Get a key\nSo"
url: "https://hashnode.com/posts/gpt-6-1-sol-is-free-on-codex-build-a-broken-link-checker-for-your-markdown-files/6ad84cdf1cf91b5be0870d33"
---

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# [GPT-6.1 Sol Is Free on Codex: Build a Broken Link Checker for Your Markdown Files](https://jliushi.hashnode.dev/gpt-6-1-sol-is-free-on-codex-build-a-broken-link-checker-for-your-markdown-files?utm_source=hashnode&utm_medium=feed)

GPT-6.1 Sol is free to use on sign-up credit. A good first project: a command that reads your README or docs folder and lists every link that's dead. Small, and you'll actually use it. 1. Get a key So

Oct 21 · 2 min read · jliushi.hashnode.dev  
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