# AI News Digest - 2026-05-06

1. OpenAI rolled out GPT-5.5 Instant as ChatGPT's default model, reported 52.5 percent fewer hallucinated claims on high-risk topics in internal testing, added a "memory sources" feature to show which stored context shaped responses, and began phasing personalized features for Plus and Pro web users.

2. The U.S. Department of Commerce secured pre-release access for national-security testing to models from Anthropic, OpenAI, Google DeepMind, Microsoft, and xAI by signing agreements to receive model versions with reduced safety guardrails for classified evaluation.

3. Elon Musk and OpenAI proceeded through the first week of the Musk v. Altman trial in federal court, during which Musk alleged that OpenAI breached a charitable trust and admitted in cross-examination that xAI distilled OpenAI's models to train its own models; the trial included high-profile testimony and document disclosures.

# References

1. [https://the-decoder.com/chatgpt-update-rolls-out-gpt-5-5-instant-with-fewer-hallucinations-and-more-personalized-answers/](https://the-decoder.com/chatgpt-update-rolls-out-gpt-5-5-instant-with-fewer-hallucinations-and-more-personalized-answers/)

[ChatGPT update rolls out GPT-5.5 Instant with fewer hallucinations and more personalized answers](https://the-decoder.com/chatgpt-update-rolls-out-gpt-5-5-instant-with-fewer-hallucinations-and-more-personalized-answers/)

1. [https://the-decoder.com/us-government-now-has-pre-release-access-to-ai-models-from-five-major-labs-for-national-security-testing/](https://the-decoder.com/us-government-now-has-pre-release-access-to-ai-models-from-five-major-labs-for-national-security-testing/)

[US government now has pre-release access to AI models from five major labs for national security testing](https://the-decoder.com/us-government-now-has-pre-release-access-to-ai-models-from-five-major-labs-for-national-security-testing/)

1. [https://www.technologyreview.com/2026/05/04/1136826/week-one-of-the-musk-v-altman-trial-what-it-was-like-in-the-room/](https://www.technologyreview.com/2026/05/04/1136826/week-one-of-the-musk-v-altman-trial-what-it-was-like-in-the-room/)

[Week one of the Musk v. Altman trial: What it was like in the room](https://www.technologyreview.com/2026/05/04/1136826/week-one-of-the-musk-v-altman-trial-what-it-was-like-in-the-room/)

For the site tree, see the [root Markdown](https://ixtj.dev/.md).