<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>OpenAI on Mitja Martini</title><link>https://mitjamartini.com/en/tags/openai/</link><description>Recent content in OpenAI on Mitja Martini</description><generator>Hugo -- gohugo.io</generator><language>en</language><copyright>© 2026 Mitja Martini</copyright><lastBuildDate>Sun, 04 Feb 2024 00:00:00 +0000</lastBuildDate><atom:link href="https://mitjamartini.com/en/tags/openai/index.xml" rel="self" type="application/rss+xml"/><item><title>Summarizing Large Texts with LLMs and a Tree of Summaries</title><link>https://mitjamartini.com/en/posts/tree-of-summaries/</link><pubDate>Sun, 04 Feb 2024 00:00:00 +0000</pubDate><guid>https://mitjamartini.com/en/posts/tree-of-summaries/</guid><description>How to summarize texts with LLMs that are too large for their context window.</description></item><item><title>Hands-on ChatGPT in Excel (Book)</title><link>https://mitjamartini.com/en/posts/hands-on-chatgpt-in-excel/</link><pubDate>Mon, 18 Dec 2023 00:00:00 +0000</pubDate><guid>https://mitjamartini.com/en/posts/hands-on-chatgpt-in-excel/</guid><description>Example Excel workbooks for a book about using OpenAI models in Excel Formulas.</description></item><item><title>ChatGPT Image Inputs Use Cases</title><link>https://mitjamartini.com/en/posts/chatgpt-image-input-use-cases/</link><pubDate>Wed, 25 Oct 2023 00:00:00 +0000</pubDate><guid>https://mitjamartini.com/en/posts/chatgpt-image-input-use-cases/</guid><description>Practical use cases of ChatGPT&amp;rsquo;s / GPT-4&amp;rsquo;s image input feature.</description></item></channel></rss>