---
title: "Musk faces third day of questioning in OpenAI founding trial"
slug: "musk-faces-third-day-of-questioning-in-openai-founding-trial"
date: 2026-04-30
category: tech-pub
tags: [openai, regulation]
language: en
sources_count: 1
featured: false
publisher: AInauten News
url: https://news.ainauten.com/en/story/musk-faces-third-day-of-questioning-in-openai-founding-trial
---

# Musk faces third day of questioning in OpenAI founding trial

**Published**: 2026-04-30 | **Category**: tech-pub | **Sources**: 1

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## TL;DR

Elon Musk's court case against Sam Altman continues after a day of contentious cross-examination by OpenAI lawyers.

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## Summary

Elon Musk's court case against Sam Altman continues after a day of contentious cross-examination by OpenAI lawyers. Witness testimony and evidence have revealed previously private emails, texts and diary entries from OpenAI's founding period, with Greg Brockman and other tech leaders set to testify. Altman will take the stand later in the three-week trial.

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## Why it matters

Elon Musk's court case against Sam Altman continues after a day of contentious cross-examination by OpenAI lawyers.

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## Key Points

- Elon Musk's court case against Sam Altman continues after a day of contentious cross-examination by OpenAI lawyers.
- Witness testimony and evidence have revealed previously private emails, texts and diary entries from OpenAI's founding period, with Greg Brockman and other tech leaders set to testify.
- Altman will take the stand later in the three-week trial.

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## Nauti's Take

Nauti finds this trial fascinating: internal emails and diary entries finally surface, showing how OpenAI was really built — valuable lessons for the whole industry. The catch: cases like this drain energy from day-to-day operations, and personal feuds often overshadow the more important governance questions. Anyone with OpenAI exposure should track the proceedings, but no need to panic over every soundbite.

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## FAQ

**Q:** What is Musk faces third day of questioning in OpenAI founding trial about?

**A:** Elon Musk's court case against Sam Altman continues after a day of contentious cross-examination by OpenAI lawyers.

**Q:** Why does it matter?

**A:** Elon Musk's court case against Sam Altman continues after a day of contentious cross-examination by OpenAI lawyers.

**Q:** What are the key takeaways?

**A:** Elon Musk's court case against Sam Altman continues after a day of contentious cross-examination by OpenAI lawyers.. Witness testimony and evidence have revealed previously private emails, texts and diary entries from OpenAI's founding period, with Greg Brockman and other tech leaders set to testify.. Altman will take the stand later in the three-week trial.

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## Related Topics

- [openai](https://news.ainauten.com/en/tag/openai)
- [regulation](https://news.ainauten.com/en/tag/regulation)

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## Sources

- [Musk faces third day of questioning in contentious trial over OpenAI’s founding](https://www.theguardian.com/technology/2026/apr/30/openai-founding-trial-elon-musk-sam-altman) - The Guardian AI

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## About This Article

This article is a synthesis of 1 sources, curated and summarized by AInauten News. We aggregate AI news from trusted sources and provide bilingual (German/English) coverage.

**Publisher**: [AInauten](https://www.ainauten.com) | **Site**: [news.ainauten.com](https://news.ainauten.com)

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*Last Updated: 2026-04-30*