Nvidia fine-tunes Nemotron for gold-level IOI and IMO results

Show HN post introduces NanoMuse, an open-source AI agent that runs on both phones and computers. The project is hosted on GitHub under the nano-muse organization.

FastH3 V2 shipped three weeks before this status post; the update covers the open-weight FastVideo FastH3 V2/V3 project.

Reddit users say image generation prompts that worked for over a year are now denied, with one reporting 25 wasted generations in 24 hours. No official explanation from OpenAI appears in the thread.

HumanCulture claims 82-90% accuracy predicting social content performance before posting, analyzing up to a year of an artist's Instagram and TikTok posts. First clients include Defected, Red Light Management and Armada Big Family; pricing starts at £65 per talent per month.

A Reddit user shared a ComfyUI extension for the Lora package, built primarily for personal use. The author says the code was written with Qwen 3.8 rather than by hand, with a detailed description on GitHub.

Vanity Fair's "Fair Game" published part one of an interview with Sam Altman covering Elon Musk, the term "artificial," and the future of humanity. No new product, model, or company announcement is included in the segment.