Marble by World Labs
Hacker ApprovedThe most recommended of 5 world models
Detailed, usable 3D environments for previz, set design and games. Common caveat: scenes break down when the camera moves far from the input view.
Detailed, usable 3D environments for previz, set design and games. Common caveat: scenes break down when the camera moves far from the input view.
35 people gave an opinion
- recommend it
- 25
- criticize it
- 10
- approval share
- 71%
Recommended in 6 of 13 months
- November 2025: recommended
- December 2025: recommended
- January 2026: recommended
- February 2026: not recommended
- March 2026: recommended
- April 2026: not recommended
- May 2026: not recommended
- June 2026: not recommended
- July 2026: recommended
- August 2026: not recommended
- September 2026: recommended
- October 2026: not recommended
- November 2026: not recommended (month in progress)
Why it carries the badge
- 25 people recommend itNeeds 10 or more, met.
- 2.5 recommenders for every criticNeeds 2 to 1 or better, met.
- Recommended in 6 of 13 monthsNeeds 4 or more, met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Useful for games, previz and film
“these are useful for video games, previz, and filmmaking”
Comment from 29 Jan 2026 in “Project Genie: Experimenting with infinite, interactive worlds” “They're perfect for constructing consistent sets and blocking out how your actors and props are positioned.”
Comment from 29 Jan 2026 in “Project Genie: Experimenting with infinite, interactive worlds” “Marble seems useful for lots of use cases - 3D design, online games, etc.”
Comment from 13 Nov 2025 in “Marble: A Multimodal World Model” Impressive, magical results
“It's hard to appreciate how magical this is until you get beat up by traditional photogrammetry-based set acquisition”
Comment from 25 Nov 2025 in “Marble by World Labs: Multimodal world model to create and edit 3D worlds” “It is the most impressed I've been with an AI experience since the first time I saw a model one-shot material code.”
Comment from 14 Nov 2025 in “Why Fei-Fei Li and Yann LeCun are both betting on "world models"” “Thats totally insane and amazing.”
Comment from 12 Nov 2025 in “Marble by World Labs: Multimodal world model to create and edit 3D worlds” Works well for intended use
“It works really well for what I want.”
Comment from 18 Jul 2026 in “Google Earth Desktop Client to Be Retired in 2027” “The best I've seen so far is Marble from World Labs”
Comment from 16 Dec 2025 in “SHARP, an approach to photorealistic view synthesis from a single image”
What people warn about
Each mark is one comment
Breaks down away from source view
“If you deviate too far from the image viewpoint it breaks down, but it looks decent long enough to be very usable.”
Comment from 13 Nov 2025 in “Marble: A Multimodal World Model” “the results are by far the best in the area shown in the image in the prompt, and quickly deteriorate beyond it”
Comment from 13 Nov 2025 in “Marble: A Multimodal World Model” Weak physical realism, limited interaction
“"visually stunning" simulations from engines like Isaac Sim, MuJoCo, or world models like Marble often fail the moment they are deployed on real robotic hardware”
Comment from 5 Mar 2026 in “SIPA: Auditing Physical Integrity in World Models and Robotics(Isaac SIM,Marble)” “the examples are all quite on-rails and seem to avoid interacting too much with stuff in the environment”
Comment from 13 Nov 2025 in “Marble: A Multimodal World Model” “For being a "world" model, it doesn't seem to grasp physical space very well.”
Comment from 13 Nov 2025 in “Marble by World Labs: Multimodal world model to create and edit 3D worlds” 'World model' label seen as marketing
“Calling this a “world model” feels more like marketing language than a meaningful technical distinction.”
Comment from 15 Nov 2025 in “Marble: A Multimodal World Model” “This is more of a glorified image generator, a far cry from a "world model".”
Comment from 13 Nov 2025 in “Marble: A Multimodal World Model” Low mesh quality, skewed camera
“the triangular meshes shown look pretty low quality compared to the splat”
Comment from 13 Nov 2025 in “Marble: A Multimodal World Model” “Something about the camera perspective creates a skew that makes things feel artificial to me.”
Comment from 12 Nov 2025 in “Marble by World Labs: Multimodal world model to create and edit 3D worlds”
Other world models people recommend
The four most recommended other world models, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.
| Product | Recommend | Criticize | Approval | Months | Owned | Badge |
|---|---|---|---|---|---|---|
| Marble by World LabsThis page | 25 | 10 | 71% | 6 | — | Approved |
| Project Genie | 16 | 17 | 48% | 1 | — | — |
| World Labs world model | 7 | 5 | 58% | 4 | — | — |
| LingBot-World | 5 | 0 | 100% | 3 | — | — |
| Nvidia Cosmos | 5 | 3 | 63% | 2 | — | — |
What people said
40 of the 43 comments that mention it, newest first. Each links to the original comment.
“Marble, our current product that can be used for applications like this nicely”
“Marble is an improvement over chat and Claude but it's incremental IMO.”
“Marble keeps the tools you use most close at hand and will surface other useful ones for the job.”
“It works really well for what I want.”
“can make a royal mess of things, especially outdoor environments”
“"visually stunning" simulations from engines like Isaac Sim, MuJoCo, or world models like Marble often fail the moment they are deployed on real robotic hardware”
“Marble definitely changes the game if the game is "move the camera"”
“They're perfect for constructing consistent sets and blocking out how your actors and props are positioned.”
“these are useful for video games, previz, and filmmaking”
“You already can, check out Marble/World Labs, Meshy, and others.”
“World Labs and Apple are doing exciting work with image-to-Gaussian models”
“The best I've seen so far is Marble from World Labs”
“It's hard to appreciate how magical this is until you get beat up by traditional photogrammetry-based set acquisition”
“Calling this a “world model” feels more like marketing language than a meaningful technical distinction.”
“Overall the rooms tend to be detailed and imaginative.”
“It is the most impressed I've been with an AI experience since the first time I saw a model one-shot material code.”
“they have actually added a way of placing objects is after all far more than most other tools has provided with their text-focus”
“the fact their first release is a far cry from the promise here feels like a bit of a bellweather”
“the camera movement is merely a panning motion”
“If you deviate too far from the image viewpoint it breaks down, but it looks decent long enough to be very usable.”
“the results are by far the best in the area shown in the image in the prompt, and quickly deteriorate beyond it”
“seems anything to do with asteroids (or explosions I imagine) are blocked.”
“the triangular meshes shown look pretty low quality compared to the splat”
“This is great. Can I use it with existing scan of my room to fill the gaps?”
“Very cool tech, extremely annoying voice over.”
“it's used as a marketing term here”
“the examples are all quite on-rails and seem to avoid interacting too much with stuff in the environment”
“it's an accomplishment of it's own right to get right, and still very useful.”
“This is more of a glorified image generator, a far cry from a "world model".”
“This is one-size fits all nonsense. It's junk.”
“I like that they distinguish between the collider mesh (lower poly) and the detailed mesh (higher poly).”
“it does a good job of creating something like a CS map”
“Marble seems useful for lots of use cases - 3D design, online games, etc.”
“For being a "world" model, it doesn't seem to grasp physical space very well.”
“It's a bit more rough around the edges but shows real user input/output.”
“Something about the camera perspective creates a skew that makes things feel artificial to me.”
“Right now, it dissolves pretty quickly once you change the location.”
“I think it is very well executed”
“it does look good and show promise”
“Thats totally insane and amazing.”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.