Introducing SKY-001, the first Engineering World Model. On CAD and...
Sam Pasupalak@spisallyouneed
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Oct 20, 2026
~2 min read
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Introducing SKY-001, the first Engineering World Model.
On CAD and BIM tasks, it beats GPT-6 Astra and every frontier model we tested:
-> 51-125x faster
- > 150-210x cheaper
-> Higher IOU than all frontier models
SKY-001 lets you dream a physical object before you build it.
18 months of work. Built by the team out of Maluuba's deep learning lab (acq. by @MSRResearch).
The first ‘AI General Engineer’ will be the backbone for Autonomous Manufacturing.
On CAD and BIM tasks, it beats GPT-6 Astra and every frontier model we tested:
-> 51-125x faster
- > 150-210x cheaper
-> Higher IOU than all frontier models
SKY-001 lets you dream a physical object before you build it.
18 months of work. Built by the team out of Maluuba's deep learning lab (acq. by @MSRResearch).
The first ‘AI General Engineer’ will be the backbone for Autonomous Manufacturing.
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The benchmark results back up what we have argued from day one: LLMs are autoregressive by nature, which means they predict one token at a time, but they were never built for visual reasoning and long-horizon tasks.
We tested SKY-001 against the frontier models, GPT-6 Astra, Claude Opus 5.5, etc, in both CAD and BIM. In both cases, our model outperformed the LLMs, setting a new standard for AI efficiency.
The benchmark results back up what we have argued from day one: LLMs are autoregressive by nature, which means they predict one token at a time, but they were never built for visual reasoning and long-horizon tasks.
We tested SKY-001 against the frontier models, GPT-6 Astra, Claude Opus 5.5, etc, in both CAD and BIM. In both cases, our model outperformed the LLMs, setting a new standard for AI efficiency.
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SKY-001 is way cheaper than any frontier models by a huge margin as well. Here is the cost for CAD:
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While SKY-001 models are faster and cheaper than frontier models, they are much more accurate than them as well. Here is the IOU for CAD:
While SKY-001 models are faster and cheaper than frontier models, they are much more accurate than them as well. Here is the IOU for CAD:
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How did we achieve this?
One-shot generation from frontier models looks impressive at first. These models know what goes into a sports car for instance, and they can write CAD code that produces striking results. When you zoom in, however, the internal assemblies are often simplified, missing, or replaced with basic primitives.
SKY-001 shows a different approach by planning each part before it is built. It has the ability to break down a complex physical object into smaller components through its 3D hierarchical part generation module. Additionally, its hierarchical sketch world model explains how each part is assembled by progressing through 3D intermediate states, 2D sketches, and CAD steps.
How did we achieve this?
One-shot generation from frontier models looks impressive at first. These models know what goes into a sports car for instance, and they can write CAD code that produces striking results. When you zoom in, however, the internal assemblies are often simplified, missing, or replaced with basic primitives.
SKY-001 shows a different approach by planning each part before it is built. It has the ability to break down a complex physical object into smaller components through its 3D hierarchical part generation module. Additionally, its hierarchical sketch world model explains how each part is assembled by progressing through 3D intermediate states, 2D sketches, and CAD steps.
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What's next for SKY-001?
SKY-001 is currently a Compositional Visual World Model, aka designed to provide a visual plan of an engineered object. However, the next step is to pair it with a VLA. The agent gets one component at a time plus a visual sequence to follow, enabling it to execute each step, inspect the result, and revise what fails as required.
Since SKY-001 does the planning, even smaller open-source models could build complex CAD, potentially at far lower cost.
But, our vision is to use SKY-001 to reinvent the physical economy beyond just CAD and BIM. The next domains could be PCB Design, Aerospace Engineering, Molecule Design, Energy and Power Grids and many more.
What's next for SKY-001?
SKY-001 is currently a Compositional Visual World Model, aka designed to provide a visual plan of an engineered object. However, the next step is to pair it with a VLA. The agent gets one component at a time plus a visual sequence to follow, enabling it to execute each step, inspect the result, and revise what fails as required.
Since SKY-001 does the planning, even smaller open-source models could build complex CAD, potentially at far lower cost.
But, our vision is to use SKY-001 to reinvent the physical economy beyond just CAD and BIM. The next domains could be PCB Design, Aerospace Engineering, Molecule Design, Energy and Power Grids and many more.
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All of this wouldn’t be possible without the immense support from our investors, advisors and supporters: @Fidelity , @sk121 (@touringcapital), @karam_n and @chrisarsenault (@inovia), @morgan_blumberg (@M13Company ), @fchollet @NaveenGRao @michaellitt @mmccauley @jennydhe, and many more.
All of this wouldn’t be possible without the immense support from our investors, advisors and supporters: @Fidelity , @sk121 (@touringcapital), @karam_n and @chrisarsenault (@inovia), @morgan_blumberg (@M13Company ), @fchollet @NaveenGRao @michaellitt @mmccauley @jennydhe, and many more.
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We know this will change the future of Autonomous Manufacturing, and we want to share every single detail. Check out our website and blog for the full breakdown.
Blog: skyfall.ai/blog/introduci…
We invite the entire community to join the waitlist for SKY 00-1: skyfall.ai/sky-001
We know this will change the future of Autonomous Manufacturing, and we want to share every single detail. Check out our website and blog for the full breakdown.
Blog: skyfall.ai/blog/introduci…
We invite the entire community to join the waitlist for SKY 00-1: skyfall.ai/sky-001