Luma Ray 3

规格参数

定价

Luma Ray 3 is the third-generation text-to-video model from Luma AI, a company that built its technical foundation on photorealistic 3D scene reconstruction using Neural Radiance Fields (NeRF). This 3D-first heritage gives Ray 3 a distinct edge over text-to-video models trained purely on flat video data: it generates camera movements and lighting effects with a spatial accuracy that approaches what you would expect from a real 3D render — not a learned pattern from 2D footage.

能力说明

Ray 3's 3D scene understanding manifests in two ways that are immediately visible in its output: camera motion fidelity and lighting accuracy. Camera movements — dolly, crane, orbit, and rack focus — behave as if driven by a real rig in a real 3D space, with correct perspective shifts and parallax. Lighting responds to the implied geometry: windows cast moving shadows, reflective surfaces track environment changes, and volumetric effects like fog and haze interact correctly with light sources. These physics-based qualities elevate Ray 3 output to a quality tier typically reserved for animated feature film production.

最佳实践

To leverage Ray 3's 3D strengths, frame your prompts with explicit camera and lighting instructions rather than generic descriptions. "Orbit camera sweeping 90 degrees around a modernist concrete building at dusk, warm orange sun casting long shadows across textured brutalist walls" activates the model's geometry reasoning far more effectively than "a building at sunset". Architectural and product visualisation shots — where camera control and material accuracy matter most — consistently showcase Ray 3's capabilities better than organic scenes with complex foliage or crowds.