---
title: "Discussion on \"GPT-6.1 Sol Is Free on Codex: Build a CLI That Renames Photos by the Date They Were Taken\" | Hashnode"
description: "Discussion on \"GPT-6.1 Sol Is Free on Codex: Build a CLI That Renames Photos by the Date They Were Taken\". GPT-6.1 Sol is free to use on sign-up credit. Small project: your phone photos are named IMG_4821.JPG, IMG_4822.JPG and so on. A short script can rename them to 2026-10-03_14-22-10.jpg using the date"
url: "https://hashnode.com/posts/gpt-6-1-sol-is-free-on-codex-build-a-cli-that-renames-photos-by-the-date-they-were-taken/6ad9d5685d1659722f36fca7"
---

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# [GPT-6.1 Sol Is Free on Codex: Build a CLI That Renames Photos by the Date They Were Taken](https://jliushi.hashnode.dev/gpt-6-1-sol-is-free-on-codex-build-a-cli-that-renames-photos-by-the-date-they-were-taken?utm_source=hashnode&utm_medium=feed)

GPT-6.1 Sol is free to use on sign-up credit. Small project: your phone photos are named IMG\_4821.JPG, IMG\_4822.JPG and so on. A short script can rename them to 2026-10-03\_14-22-10.jpg using the date

Oct 22 · 2 min read · jliushi.hashnode.dev  
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-   [#codex](https://hashnode.com/tag/codex)
-   [#python](https://hashnode.com/tag/python)
-   [#beginners](https://hashnode.com/tag/beginners)
-   [#gpt](https://hashnode.com/tag/gpt)

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