World model that turns text or images into explorable 3D environments with characters and animations, kept consistent via 3D matter representation. It gets a higher win rate than Meshy and Tripo. Not open source but free to try on their platform.
Viggle's physics-native world foundation model that generates 3D scenes, rig-free characters and motion from text or images.
Updated EU status checked Last shown
JST-2 at a glance
- What is JST-2?
- JST-2 is a model. Viggle's physics-native world foundation model that generates 3D scenes, rig-free characters and motion from text or images.
- Does JST-2 work in the EU?
- Unverified. No explicit evidence found. Viggle's terms only exclude US-embargoed countries and the privacy policy says data may be processed in Canada and the US, with no EU restriction or EU data residency stated. Last verified 14 Nov 2026.
- How much does JST-2 cost?
- Freemium. Free to try on Viggle's platform per creator coverage. The related PINOC 3D character/motion product: Free (60 one-time credits), Starter (300 credits/month, listed $10.39/mo billed annually), Pro (1,200 credits/month, listed $31.99/mo billed annually). Billed separately from Viggle AI. Licence: Proprietary.
- Where was JST-2 shown?
- In 1 creator video by AI Search. Most recently by AI Search on 25 Oct 2026, at 24:34 in “Cybersecurity chaos, AI for DNA, Kimi K3.1, Claude Duet, Dessa, Fibo 2, Minimax 3.1: AI NEWS”.
Sources: the vendor's own pages (linked above) and creator videos at the linked timestamps. EU status is information, not legal advice; see how we check.
JST-2 (Joint Space-and-Time, gen 2.0) is a world foundation model from Viggle. It represents the world as persistent atoms in 3D space, each with an xyz position and learned attribute and dynamics vectors, encoded as "Physics-Native Tokens". An encoder, generator and decoder work on these tokens. The decoder outputs images or 3D Gaussian splats.
According to Viggle, JST-2 generates a 3D scene in about one second at an inference cost under $0.01, using a feed-forward architecture with no per-scene optimization. It accepts up to 64 input views as spatial context, so a world can be expanded one view at a time. It can also reconstruct 3D environments from sparse real-world images. Characters can be generated from text or a single image with learned dynamics, so they are ready to animate without separate rigging and skinning. The model also generates full-body 3D motion from text or video, which can be applied to JST-2 characters or standard rigs.
Viggle reports blind human evaluations against Meshy 7.1 and Tripo H3.1 for character generation and animation readiness, and against Cartwheel S for text-to-motion. These are vendor-published results. Text-prompt-guided scene expansion and a higher-detail splat version are listed as upcoming. The model is proprietary and is accessed through Viggle's platform. A related PINOC product for 3D characters and motion has a free tier and paid plans, billed separately from Viggle AI.
- Feed-forward 3D scene generation in about one second
- Output as 3D Gaussian splats viewable in a browser
- Up to 64 input views as spatial context for expanding worlds
- 3D characters from text or a single image, no separate rigging step
- Full-body 3D motion from text or video, compatible with standard rigs
- Reconstruction of 3D environments from sparse real-world images
As seen on YouTube
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