DeepSeek open-sources its inference stack; Kimi K3 ships

The Number

DeepSeek-V4.1-Flash lists at $0.15/M input (cache-miss, off-peak) against $0.66 for V4-Pro, per DeepSeek's pricing docs as of 2026-10-21.
Qwen3.8-Max holds at 12元/M input (about $1.68) with no stepped discount, per Alibaba DashScope pricing as of 2026-10-21.
GLM-5.2 runs $0.0341/M prompt but $7/M completion on OpenRouter, the widest input-to-output spread among China-lab models listed as of 2026-10-21.

DeepSeek open-sources its internal inference framework DeepInfer, the engine behind V4.1-Flash serving, extending its push to commoditize the serving layer below the model, per DeepSeek's 2026-10-20 announcement.
Moonshot marks Kimi K3 as formally released on its platform, moving the flagship to a new pricing tier with 5min/1h cache TTLs, per Moonshot's pricing docs as of 2026-10-21.
Tencent's WorkBuddy tops the office-Agent chart at 32.35M monthly actives in Q3, with Baidu and Qwen behind, per QuestMobile via AIX财经.
Five源资本-backed 此间无限 (Today AI), founded by ex-Doubao PC lead 齐俊元, discloses $200M raised from IDG, Tencent, Ant and Sequoia China, per 五源资本 via 智东西.

生数科技 opens a half-month live stream of its Motubrain 2.0 embodied-AI training run ahead of open-sourcing the model, a rare public window into physical-AI training, per 雷峰网.
DeepSeek Harness crosses 250,000 GitHub stars two months after release, drawing a wave of third-party plugins, some flagged by DeepSeek product lead 崔添翼, per 智东西.
Doubao's phone assistant publishes a 10-14 notice that WeChat, Taobao and others are blocking its access, the China mirror of the personal-Agent lockout now hitting Muse and Dots abroad, per 智东西.
MiniMax M3.1 Flash takes first on an Agent-task run in 雷峰网's own hands-on test, with 雷峰网 reading it as reviving the Flash price war that DeepSeek started; verify independently, company-stated speed not confirmed.

Chery's two-wheel unit 零维科技 makes its first media appearance in Wuhu, with exec 涂小岳 pitching a motorcycle as the next car for Chinese families, as the group frames itself a tech company chasing chips and models, per 极客公园.

A pregnant Hangzhou woman who never filed a complaint had a 圆通 courier pound on her door in tears over a 400-yuan penalty he blamed on her, after a 菜鸟 work-order auto-logged a service grievance she never submitted, per 奇点湃 via 虎嗅.