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Veo 3.0 Fast Generate

Veo 3.0 Fast Generate is Google's rapid-iteration video generation model, the fast tier of Veo 3.0, built for high-velocity prompt exploration, batch generation, and concept validation before committing to full-quality renders.

Video Gen
index.ts
import { experimental_generateVideo as generateVideo } from 'ai';


const result = await generateVideo({
  model: 'google/veo-3.0-fast-generate-001',
  prompt: 'A serene mountain lake at sunrise.'
});
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Frequently Asked Questions

  • How much faster is fast mode compared to the standard generation tier?

    Exact latency varies by clip length and prompt complexity. The fast tier produces noticeably shorter turnaround per generation compared to standard mode.

  • Can I run a batch of prompt variations in parallel with this model?

    Yes. AI Gateway supports concurrent requests. Running multiple fast-tier generations simultaneously is an effective way to evaluate a prompt space, generate many variations in parallel, review the results, and select which to advance to a quality-tier render.

  • Does the fast tier produce lower quality output, and is that a problem?

    The fast tier trades some fidelity for speed. For prompt exploration and iteration, this is usually fine: you are evaluating composition, motion, subject matter, and narrative, not evaluating every pixel. At the final-render stage, use google/veo-3.0-generate-001 or a higher Veo tier.

  • Does native audio work in fast mode?

    Yes. Set generateAudio: true in providerOptions.vertex. The model generates synchronized sound effects, ambient audio, and dialogue even in fast mode, which is useful for previewing audio treatment before committing to a quality-tier render.

  • Is there a cost-efficient workflow pattern for using fast and standard tiers together?

    The standard workflow is to develop prompts on the fast tier, iterate until the output matches the creative direction, then route the finalized prompt to google/veo-3.0-generate-001 for final output. Only the model slug changes between the two phases.

  • Does image-to-video generation work with this model?

    Yes. Pass a source image URL in your generateVideo call. The model animates the image with natural motion. Fast mode lets you preview how different starting frames behave before committing to full-quality animation.

  • Is video generation in beta?

    Yes. Video generation is in beta on AI Gateway, available to Pro and Enterprise plans and paid AI Gateway users.

  • How do I call this model from the AI SDK?

    Use experimental_generateVideo (aliased as generateVideo) from AI SDK 6 with model: 'google/veo-3.0-fast-generate-001'.