AI Weekly Issue #469: GPT-5.4 launches, DeepSeek V4 imminent, Qwen team implodes

OpenAI shipped an entire model family in three days. DeepSeek is about to drop a trillion-parameter open-weight challenger built on Chinese silicon. Google’s AI is solving open math problems autonomously.
And the hyperscalers are all racing to break free from Nvidia’s grip with custom chips.
Meanwhi