THE BRIEFING / September 24, 2026

A little context.
A much clearer picture.

Five recent stories to help you understand China’s AI.
Read the essentials, then go a little deeper.

02
Research

Xiaomi's HySparse2 targets lower computing demands for long-context AI agents

Xiaomi researchers describe an attention design that reduces the computation and memory needed to process long inputs. Their paper reports gains over two research baselines, with important limits on what the results establish about real-world performance.

The takeaway: At one million input tokens, the paper reports about one-fifth of Hybrid SWA's prefill computation and a smaller KV cache.

Read the story →