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Model comparison

Veo 3.1 vs Veo 3.1 Fast

Compare Veo 3.1 and Veo 3.1 Fast using the same provider-sourced video generation rubric. No mystery score and no invented benchmark ranking.

Facts checked September 4, 2026

Estimate your cost

Set your usage. Your estimate updates as you type.

Example: 8-second, 720p clips with audio. Models that do not support these settings will not receive an estimate.

How this estimate works

Estimates exclude taxes, tools, cache storage/writes, free allowances and custom discounts. Image estimates cover output only, not prompt or reference-image charges. Quality modes differ by model. Unlisted settings are not treated as free.

Estimate your cost
ModelEstimated total (USD)
Veo 3.1 FastGoogle$0.80
Veo 3.1Google$3.20

Quick take

Veo 3.1

Google's preview video model for text-, image-, and video-guided generation with native audio and output options up to 4K.

Best for

  • Short cinematic clips with native audio
  • 4K experiments and video extension
  • Google-centric media pipelines

Watch out for

It remains a preview model. Regional person-generation rules, two-day server retention, and resolution/duration constraints need product-level handling.

Veo 3.1 Fast

Google's lower-cost Veo 3.1 variant for quickly creating short video clips with native audio and output options up to 4K.

Best for

  • Rapid ad and social-video variations
  • Short clips that need generated audio
  • Teams seeking a lower-cost route into Veo

Watch out for

Fast does not mean instant: Google says video requests can still take from seconds to several minutes at peak times. Generated files are retained for two days, and feature combinations vary by endpoint.

Compare the published facts

Veo 3.1 vs Veo 3.1 Fast

Values use each provider's own published units and limits. A blank means the provider did not publish a directly comparable value in the sources reviewed.

Video generationVeo 3.1Veo 3.1 Fast
Generation priceCurrent list price per generated second or the provider's closest billing unit.$0.40/s standard with audio$0.10 720p · $0.12 1080p · $0.30 4K / sec
Clip durationDocumented duration choices or maximum clip length.4, 6, or 8 seconds4, 6, or 8 seconds
Maximum outputHighest provider-documented output resolution, with relevant constraints.Up to 4K; 1080p/4K require 8s4K at 8 seconds
Native audioWhether the endpoint generates synchronized audio with video.YesYes, always on
Input modesSupported text, image, video, reference, or motion inputs.Text, image, or video to videoText, image, or video to video
Generation timeOnly shown when a provider publishes a range; not a Cody benchmark.Official range: 11s–6m11 seconds–6 minutes at peak

How to choose

Compare the job, not the hype.

Start with the job you need to complete, then validate cost, access, and policy details on your exact provider route.

Veo 3.1

Google says paid Gemini API content is not used to improve its products. Generated videos are retained on the server for two days and should be downloaded during that window.

Veo 3.1 Fast

Google's paid Gemini API terms say prompts and responses are not used to improve its products. Generated Veo videos are stored on the server for two days and must be downloaded to keep them.

Frequently asked questions

Veo 3.1 vs Veo 3.1 Fast FAQ

What is the main difference between Veo 3.1 and Veo 3.1 Fast?

Veo 3.1: Google's preview video model for text-, image-, and video-guided generation with native audio and output options up to 4K. Veo 3.1 Fast: Google's lower-cost Veo 3.1 variant for quickly creating short video clips with native audio and output options up to 4K.

Should I choose Veo 3.1 or Veo 3.1 Fast?

Consider Veo 3.1 when your priority is Short cinematic clips with native audio. Consider Veo 3.1 Fast when your priority is Rapid ad and social-video variations. Test both with your own data and provider route before committing.

Is this Veo 3.1 vs Veo 3.1 Fast comparison based on Cody benchmarks?

No. This comparison aligns provider-published facts for the Video generation category. It does not claim a universal winner or combine incompatible third-party benchmark scores.