Today's Highlights
1. Tsinghua × Infinigence AI × Zhengxing Innovation open-source embodied agent infrastructure RPent: GPT-6 Astra as the brain, 92.63% success rate on LIBERO-PRO 2. Unitree releases the Dex5-S dexterous hand: 22 fully active DoF per hand, 1:1 human-hand size, ~620g per hand, from 39,900 RMB 3. GENISOM AI (Zhishen Technology) completes nine-figure B-round funding: Led by UAE's Stone Venture, cumulative production exceeding 15,000 units 4. GPT-6 Astra's embodied impact widens: Robocurve real-robot testing shows 95% success vs Claude Fable 5.1's 40%; experiment data shows Astra modifies only 14.4% of execution-control steps 5. ULS Robotics' seventh-gen outdoor exoskeleton VIATRIX X goes on sale today: 2.58 kg total weight, motor electrical response time <1ms
Details
1. RPent Open-Sourced: The First Complete Infrastructure Answer for Putting LLMs into Robot Bodies
- Source: QbitAI (jointly launched by Tsinghua University, Infinigence AI, Zhengxing Innovation)
- Links: https://www.qbitai.com/2026/09/493218.html ｜ GitHub: https://github.com/RLinf/RPent
- Date: 2026-09-21
- Sources: IT之家 / Securities Times / ZhiDongXi (Unitree: https://www.unitree.com)
- Date: evening of 2026-09-21
- Sources: 21st Century Business Herald / Xinhua Finance / Ebrun
- Link: https://app.xinhuanet.com
- Date: 2026-09-20/21
- Sources: 36Kr / Sohu Tech (OpenAI: https://openai.com)
- Date: 2026-09-16 to 09-19
- Sources: Jiemian News / Guancha.cn (https://www.ulsrobotics.com)
- Date: 2026-09-22 (sale date)
- PT Expo China 2026 opens today at the Beijing National Convention Center (9/22–24), with AI and robotics exhibitions.
- World Manufacturing Convention (Hefei, 9/20–23) enters its second half; the "robots and embodied intelligence zone" is one of ten featured zones.
- M5 Ultra Mac Studio ships today (announced August 25, 512GB unified memory @1.2TB/s) — an August 28 bandwidth analysis now enters community real-world testing.
RPent, an embodied agent infrastructure, is now open source. It connects a general-purpose LLM's task understanding and planning, VLA/WAM expert models' fine manipulation, and memory and robot interfaces into a complete closed loop spanning perception, decision-making, execution, and feedback correction. The architecture has four layers (user/agent/interface/environment), with a three-tier interface stack — MCP (tool protocol) + RPC (process connection) + MHS (physical device abstraction) — decoupling intelligent decision-making from physical execution.
Leaderboard data: GPT-6 Astra reaches 92.63% on LIBERO-PRO (which emphasizes long-horizon execution and perturbations), 10.23 points above runner-up Opus-4.7 (82.4%) and 42.63 points above π_RLinf (50.0%). A three-level memory mechanism lifts object-swap task success from 31.0% to 87.0%. Flash Mode caches verified workflows as Task Cards, cutting average LIBERO Object execution time over 200 evaluations from 283.6s to 40.9s (~7x speedup) with only a 3.5pp success-rate drop. The team is the core team behind the large-scale embodied RL framework RLinf, supporting real robots including Franka, dual-arm Franka, YAM, and SO101, plus simulators like LIBERO-PRO, RoboCasa, RoboTwin, and RoboDojo.
2. Unitree Dex5-S Dexterous Hand: 22 Fully Active DoF at the 39,900 RMB Price Point
Unitree released the fifth-generation five-finger dexterous hand Dex5-S: 22 fully active motors per hand (previous Dex5: 20 DoF, 16 active + 4 passive), all supporting direct drive, backdrivability, and dual-encoder control, with a new pinky roll DoF. The hand is roughly 1:1 human-hand size (102×187×26mm as a left-right pair), ~620g per hand, starting at 39,900 RMB. Standard and Pro versions are offered; Pro adds tactile sensing on top of dual encoders. It supports 15V–65V wide-voltage supply (XT30), three communication options (Gigabit Ethernet / USB / high-speed 485), 1000Hz control frequency, and on-camera direct connection under Gigabit config; each joint has built-in impact torque protection.
3. GENISOM AI B Round: Middle Eastern Sovereign Capital Enters Chinese Embodied AI
Embodied AI company GENISOM AI closed a nine-figure RMB B round led by UAE's Stone Venture, with Hongshan Capital and Guangdong Science & Technology Fund participating. Funds will go toward robot bodies, embodied big/small brain systems, and task execution, advancing its GSD (Genisom Self-Driving) autonomous navigation iteration. The company disclosed cumulative production of embodied robots exceeding 15,000 units as of June 2026, with over 5,000 units and 140 million RMB output in June alone. Products are deployed in power, petrochemical, firefighting, security, emergency, and education scenarios. Co-founder Liu Yulong previously led Xiaomi's CyberDog robot dog product; Zhiyuan-affiliated capital invested in November 2025.
4. GPT-6 Astra's Embodied Shockwave: Two Readings of 95% Real-Robot Success and 14.4% Modification Rate
GPT-6 Astra (released September 4) demos of directly controlling robotic arms without additional training spread widely this week. Two key figures: independent evaluator Robocurve found Astra achieved 95% success on a dual-arm pick-block-into-bowl task versus Claude Fable 5.1's 40%. Meanwhile, in a 36Kr-reported integration experiment, plugging Astra into a π0.5 base policy yielded 48% success and 62.60 average score — but Astra modified only 14.4% of all execution-control steps, with most actions still executed by the base policy. China's embodied AI community has launched discussions about the "remaining window for embodied models."
5. ULS Robotics VIATRIX X On Sale Today: The Seventh-Gen Answer for Consumer Exoskeletons
ULS Robotics' outdoor consumer exoskeleton brand VIATRIX launched its seventh-generation product VIATRIX X today. Total weight is 2.58 kg, with a four-DoF Float360 floating hip-joint architecture and motor electrical response time under 1ms, field-tested in extreme mountain terrain. ULS previously built industrial exoskeletons for years (motors, structures, reducers, and control systems validated under heavy loads); VIATRIX X marks its move into the consumer market.
Briefs
Editorial Observations
Today's most interesting item is RPent — it merges several long-running storylines in the physical world. The same GPT-6 Astra scores 50.0% bare (π_RLinf) but 92.63% inside RPent: same model, different infrastructure, meaning all 42.63 percentage points come from tool organization, memory, and execution loops — extending the "harness > LLM" thesis from the digital world into embodied form. Three details stand out: Anthropic's MHS is directly adopted as the physical device abstraction layer; the three-tier memory uses "confidence, verification admission, and conflict isolation," so new experiences must pass verification before being promoted and accidental successes cannot pollute existing capabilities; and Flash Mode's Task Cards only call back to the LLM on "check failure or environment deviation" — orchestration intelligence is only invoked at deviations, echoing the 36Kr figure that Astra modified only 14.4% of execution-control steps, a real-world test of the frequency-separation architecture (LLM rewrites at low frequency, expert models execute at high frequency).
On hardware, two price anchors landed the same day. Unitree's Dex5-S pushes a 22-DoF fully active dexterous hand down to 39,900 RMB — end effectors entering "production-line component" rather than "research accessory" price territory — while its backdrivable dual-encoder design plus Pro-version tactile sensing reflects hardware forms forced by VLA models' data-collection quality demands. Meanwhile, ULS VIATRIX X (2.58kg, 1ms response) targets the outdoor consumer market — a second price curve for non-humanoid embodiment. Add GENISOM AI's Middle-East sovereign-led round (the 15,000-unit figure includes quadrupeds and industry models, but "5,000 units and 140M RMB in a month" is unusually granular disclosure) — component economics, a consumer second curve, and capital geography diversification all happened the same day: the supply side no longer has only one humanoid narrative.