Jars turns your ideas into interactive 3D worlds where you're the director. Control everything instantly and watch your stories play out in real time—powered by AI agents controlling a 3D engine through a hybrid world model.

Directs camera angles, sets the stage, places objects, drives physics, and keeps the whole world coherent.

Brings your character to life—every move, reaction, and line of dialogue. Listens to the scene, adapts in real time.

Thinks independently. Improvises. Pushes the moment forward with unexpected choices that make the world feel alive.

Directs camera angles, sets the stage, places objects, drives physics, and keeps the whole world coherent.

Brings your character to life—every move, reaction, and line of dialogue. Listens to the scene, adapts in real time.

Thinks independently. Improvises. Pushes the moment forward with unexpected choices that make the world feel alive.
Snap a pic or type a line, and we'll spin it into a 3D character—expressive, lively, and instantly ready for showtime.
Check out what the JARS community has been making.

Bacon Hair: "It's obby!"
Prompt-to-Character EngineSnap a pic or type a line, and we'll spin it into a 3D character—expressive, lively, and instantly ready for showtime. | ||
[1] Describe Your Idea | [2] 3D Character Generated | [3] Acting in Your World |
![]() Image Upload | Bacon Hair: "It's obby!" | |