JoyIn · robot AI model
Aether
China · 2026
Sources retrieved: 13 November 2026 (A, B)
- Parameters
- 4BSource and note: ParametersB thenextweb.com/news/joyin-openai-copying-claim-aether-alien-mind · Retrieved 13 November 2026Note. Press report (TNW) of the developer's open letter: “According to the letter, the model learned from 200 hours of video of humans and no data from real robots, and it has 4bn parameters.”
Specifications
2 of 14 stated 12 not stated
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- ASource
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Release1/1 disclosed
Released10 September 2026
Source and note: ReleasedB thenextweb.com/news/joyin-openai-copying-claim-aether-alien-mind · Retrieved 13 November 2026Note. Press report (TNW) on JoyIn's open letter: “dated 10 September. On the same day, JoyIn announced Aether, a model for controlling humanoid robots.”
Input and output0/4 disclosed
Model typeNot stated
Source and note: Model typeA aethermodel.ai · Retrieved 13 November 2026Note. The developer sets the model apart from vision-language-action models: “Silicon life should not be a puppet pulled by VLA”. Its architecture page says: “Aether constructs a complete neural pathway spanning from high-level episodic memory and intent cognition(the brain) to low-level force-position control and instinctive reflexes(the spinal cord).”
InputsNot stated
What it controlsNot stated
Degrees of freedom controlledNot stated
Size and speed1/2 disclosed
Parameters4B
Source and note: ParametersB thenextweb.com/news/joyin-openai-copying-claim-aether-alien-mind · Retrieved 13 November 2026Note. Press report (TNW) of the developer's open letter: “According to the letter, the model learned from 200 hours of video of humans and no data from real robots, and it has 4bn parameters.”
Control rateNot stated
Where it runs and what it is built on0/2 disclosed
On robot or cloudNot stated
Base modelNot stated
Openness0/3 disclosed
AccessNot stated
Source and note: AccessB thenextweb.com/news/joyin-openai-copying-claim-aether-alien-mind · Retrieved 13 November 2026Note. Press report (TNW): “She said JoyIn plans to open-source some parts of the model, such as touch, but not the parts related to energy.”
Licence documentNot stated
Licence typeNot stated
The developer’s own claims0/2 disclosed
Learns new tasksNot stated
Works across robotsNot stated
Source and note: Works across robotsB thenextweb.com/news/joyin-openai-copying-claim-aether-alien-mind · Retrieved 13 November 2026Note. Press report (TNW) of JoyIn's claim: “It says the model runs on robots from Unitree and AgiBot.”Yes only if the developer itself says the model runs on different robot models, for example robots from two manufacturers or two of one manufacturer’s models. Several units of the same robot do not count.
Notes
The press reports that “JoyIn is based in Suzhou”; the developer's site footer reads “Copyright © 2026 Suzhou Lumina Digital Co., Ltd. All Rights Reserved”.
The developer describes the architecture as “Biomimetic Architecture + Energy -Driven: forge the Silicon Wayfarer with a complete set of Brain-Cerebellum-Cortex-Spinal Cord”.
Sources
One line per source, not per figure: a source has one retrieval date.
- Aaethermodel.aiMain source. Retrieved 13 November 2026
- Bthenextweb.com/news/joyin-openai-copying-claim-aether-alien-mindSecondary. Retrieved 13 November 2026