#gpt-5-4
- 3/9/2026 Weekly Briefing AI Weekly #11/2026: When Resistance Pays Off — Anthropic's Lawsuit, 1M Signups Daily and 22 Firefox Bugs in 2 Weeks
The US Department of Defense labels Anthropic a 'supply chain risk' — users respond with 1 million new signups daily; Claude finds 22 critical Firefox security vulnerabilities in two weeks; and OpenAI launches GPT-5.4 with 1M context and computer use.