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Veo 3.1 Fast is a text-to-video model that renders short cinematic clips with synchronized audio in one pass. Prompt it with one camera move, a named light source, a mood, and a sound line — then chain each clip’s last frame into the next for a continuous shot.
| Subject | One clear subject with a material and a wardrobe/finish adjective — "a lone welder in scorched leather", not "a person". |
|---|---|
| Motion | One verb of subject motion. Let the camera OR the subject move, rarely both. |
| Camera | Name a single grammar: static wide, slow dolly-in, low-angle, overhead, tracking. |
| Lighting | Name the source, direction, and quality — "hard tungsten key from frame-left, deep falloff". |
| Duration | Veo 3.1 Fast renders 4, 6, or 8s. Use 8s when you want refs to bind and a beat to breathe. |
Copy any recipe, or run it free in the studio — the prompt prefills and the model is preselected for you.
Open a scene — name the world in one frame.
Cinematic 8k, static establishing wide. A weathered lighthouse on a black basalt cliff above a churning slate-grey North Atlantic, storm light breaking through bruised clouds. Sea spray drifts across the foreground. Slow almost-imperceptible push-in. Hard raking side light, deep shadows, Roger Deakins grammar.
Sound: Low ocean roar, wind over rock, a single distant foghorn on the two-second beat.
Make a character feel inevitable.
Cinematic 8k, low-angle hero shot. A figure in a rain-soaked charcoal trench coat strides toward camera down a neon-wet city street at 2am, magenta and cyan signs smearing in the puddles behind them. 35mm wide lens, slight distortion, anamorphic flare across frame. Camera static, subject closing distance.
Sound: Rain on pavement, low sub-bass swell rising as the figure nears, one wet footstep accent per step.
Commercial craft inside a short clip.
Cinematic 8k, extreme macro. A brushed-titanium mechanical watch rotates a quarter turn on cold black slate, a single cool key light raking across the bezel and catching each polished edge. Shallow depth of field, rack focus from crown to dial. Micro-dust drifts through the beam. Apple product-film grammar.
Sound: A soft mechanical tick, a low room tone, one crystalline chime on the reveal.
Output looks plastic and AI-generated.
You underwrote the light. Name the source, the direction, and the surface it hits.
Motion is floaty or drifts sideways.
Pick one camera grammar and anchor it with a physical verb — "dolly", "tracks", "pushes in".
References won’t bind.
Veo references only lock at 16:9 and 8s. Switch aspect and duration, then attach refs.
Audio feels generic.
Write three sound layers — a key sound, an ambient bed, and one specific accent tied to the motion.
The real leverage is in the pipeline between generations — keeping one character across every shot, and frame-chaining each clip’s last frame into the next so a storyboard becomes one continuous move. That is a built-in FXI Studio capability.
Veo 3.1 Fast is a text-to-video AI model that generates short cinematic clips with synchronized sound from a written prompt. In FXI Studio it renders 4, 6, or 8-second clips at up to 1080p, and it rewards prompts that name one camera move, the light, the mood, and a sound line.
Build the prompt from five parts: one subject with a material, one motion verb, one camera grammar, a named light source and direction, and a sound line. Commit to a single camera move per clip and describe the light like a cinematographer would.
Yes. Veo 3.1 Fast renders synchronized audio in the same pass as the video. Prompt the audio in three layers — a key sound, an ambient bed, and one specific accent — and the model matches it to the motion.
Veo 3.1 Fast renders 4, 6, or 8-second clips. Use 8 seconds when you want reference images to bind and a beat to land; to build a longer sequence, chain each clip’s last frame into the next.
You can try Veo 3.1 Fast in FXI Studio. New accounts start with 65 free credits. Every prompt in this guide is reproducible, and a one-click button prefills the prompt and preselects the model for you.
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Every prompt on this page is reproducible inside FXI Studio. Start with 65 free credits — plans run $15, $35, and $135 a month when you are ready to scale.