LLM Token Expenditure Index: average cost per million tokens has fallen to 97 cents, part of a sharp months-long decline since hitting a high of $2.07 on May 28 (Alex Harring/CNBC)

The LLM Token Expenditure Index shows the average cost for processing one million tokens fell to $0.97, down from a May 28 peak of $2.07. Apple named John Ternus CEO, moving Tim Cook to executive chair, while OpenAI denied Apple’s trade-secret claims. Nvidia announced DLSS 5 for RTX 50-series GPUs on September 3. Mozilla added built-in ad blocking to Firefox on iOS. PSI secured $58 million to apply AI to physics research. Savvy Games Group CEO Brian Ward will step down.