#ai-policy
- 7/12/2026 Weekly Briefing AI Weekly #28/2026: xAI Fires Back with Grok 4.5 — Cheaper Than Opus, Faster Than GPT-5.6
xAI launches Grok 4.5 as its first enterprise model after going public, while Beijing weighs export controls on Chinese AI models and the industry faces a $3 trillion revenue gap.
- 6/28/2026 Weekly Briefing AI Weekly #26/2026: When the State Stops the AI Launch
The US intervenes preventively in the GPT-5.6 launch for the first time, Anthropic's Mythos-5 export ban lifts after 14 days, and Asian startups fill the vacuum.