China's domestic AI compute base looks larger than low outside estimates imply, and DeepSeek V4 on Ascend 950PR-class hardware is more plausible than consensus thinks.
What it actually takes to make LLM-powered summarization reliable: eval-driven iteration, structured input compression, dynamic budgets, and the prompt sandwich technique.
Where to find your ChatGPT usage and token counts, how to export your full conversation history, and what the data says about whether a Pro subscription is worth it.