AI training
2 published articles
xAI / GrokFeatured3 min read
Grok 4.5
Cursor's Grok 4.5 was built by AI agents, not humans. That's the real story.
Cursor's Grok 4.5 is a Mixture-of-Experts model built using reinforcement learning in environments created by earlier AI agents, not humans. It handles complex, long-duration tasks across software engineering, data science, finance, and law, and it's available now.
2026-07-10
Hardware & ElectronicsFeatured4 min read
Data Engineering
JPEG at quality 92: the boring data engineering choice that made Photoroom's 7B model work
Photoroom releases the fourth part of its PRX model development series, detailing a data pipeline that prioritizes breadth and consistency over per-image perfection. The post reveals that JPEG compression at quality 92 is indistinguishable from PNG for training, and that the fastest captioner won over the most accurate one when scaling to hundreds of millions of images.
2026-07-06