On this day: Oct 7

The company said requests up to 100,000 tokens cost 90% less than Haiku 4.5 and longer requests 50% less, for about 75% lower average running cost. The same day it halved Sonnet 5.5 cache-read prices and introduced a mon

The GPT-6 generation reached the default chat of ChatGPT, which has more than 1.2 billion weekly users. Because it begins answering while it keeps thinking, GPT-6 Instant starts answering 44% sooner on average than GPT-5

Responds with a dedicated, browser-specialized model; states explicitly that it is not yet optimized for desktop OS control

Evidence that math reasoning may not be formal reasoning

An early attempt to automate the manual work of writing CoT exemplars