AI news, research and releases — with sources and context.
3 instalments over 3 days, oldest first. Every entry was written on the day it ran and has not been rewritten since.
The update keeps Grok 4.5's base model and 500,000-token context, spending the gains on longer training for agentic and knowledge-work tasks rather than a larger model.
The model shipped on August 12; what is new is enterprise availability through AWS and a price that doubles once a prompt passes 200,000 tokens.
Adversa AI reported the attack to xAI on 3 June and reproduced it again on 19 August; there is still no patch, no CVE and no workaround a user can apply.
