Daily Brief
2026-09-20 · Evening · 8 items
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StepFun unveils flagship Step 5 Preview, open-sourcing weights on Oct 15
It scores 44 on the AA Intelligence Index, ranking top 3 among open models globally, with only 27B active parameters handling million-token context.公众号：阶跃星辰（Step）
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Mozilla Report: Open-Weight Models Trail Closed-Source Frontier by ~4 Months
Open-weight models hold eight of the top ten slots on OpenRouter by token volume, with cost advantages exceeding 5x.@mark_k
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Alexandr Wang recommends pairing Opencode with Muse for coding
After hands-on testing, Lacker found Muse outperforms most peers in non-frontier coding tasks.X：Alexandr Wang（Scale AI 创始人/Meta 首席 AI 官） (@alexandr_wang)
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Loongson 3A6000 (C), 3C3000 and Kunpeng 950 CPUs Pass Security and Reliability Review
Three Chinese-made CPUs have secured Level III certification, clearing them for procurement in sensitive government and public-sector deployments.IT之家（RSS）
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Bilibili launches "AI Infinite Arena" LLM leaderboard, GPT-6 Astra tops first ranking
Across 10 blind tests by creators, three of the top five models are Chinese-made, with GLM-5.3 most often dethroned from first place.IT之家（RSS）
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China's first integrated sensing-computing satellite, Pengcheng-1, reaches orbit
A Lijian-1 Y18 rocket launched nine satellites at once, with Pengcheng-1 carrying a 5G NTN base station, core network and onboard AI computing.IT之家（RSS）
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FAW-VW ID. AURA T6 EV SUV launches from RMB 129,900
VW's first lidar-equipped EV SUV delivers 420 TOPS of compute from a Horizon chip, starting under RMB 130,000.IT之家（RSS）
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Yinwang Reaffirms Aito Partnership, Will Continue Supplying Seres With Qiankun ADAS and Other Solutions
As a Seres shareholder, Yinwang will keep selling five smart-vehicle solution lines and handling their upgrades for Aito models.IT之家（RSS）