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How to Use Gemini Omni Flash: Setup, Costs and Limits

The fastest model on our canvas at a 39-second median. What it costs per duration, the documented regional restriction, and when to reach for it.

Gemini Omni Flash is the model to reach for when you need to try many things quickly. On our own production jobs it has a median generation time of 39 seconds, against 143 for Kling and 234 for Seedance, and it generates audio by default rather than as a paid extra.

That speed is the reason to use it, and it matters more than it sounds: iteration count drives output quality more than model capability does.

TL;DR

What it costs

Canon 8frame prices, a credit is $0.01 at pack rate:

Duration Credits Approx Per second
3s 51 $0.51 17.0
4s 68 $0.68 17.0
5s 85 $0.85 17.0
8s 135 $1.35 16.9
10s 169 $1.69 16.9

Audio is generated by default at every duration, so there is no silent tier and no separate audio pass to budget for.

Comparison worth knowing: per second of finished video with audio, Omni at 16.9 and Kling v3 Standard at 17.2 are within two percent of each other. The headline numbers differ only because default clip lengths differ, 8 seconds against 5.

The documented limits

These come from Google's own model documentation and are worth knowing before you plan a workflow:

Model: gemini-omni-1.1-flash. Omni 1.1 was announced 2026-08-27.

Ratios: 16:9 default, 9:16 supported.

Resolution: native 360p and 720p. 1080p and 4K are upscaled rather than generated natively.

Duration: up to 40 seconds total with extensions.

Uploaded video input is capped at 10 seconds. If your workflow starts from longer source footage, this is a hard stop.

Editing or extending uploaded video is unavailable in the EEA, Switzerland and the UK. This is a regional block, not a setting, and it is the constraint most likely to surprise a European team mid-project.

How to use it

  1. Open a canvas and add a video generation node.
  2. Pick Gemini Omni Flash from the model list.
  3. Set the ratio first. 9:16 costs the same as 16:9, and cropping later throws away most of the frame.
  4. Set the duration. Price scales linearly, so a 3-second clip at 51 credits is the cheap way to test a direction.
  5. Write the prompt with the audio in mind, since sound is generated whether you plan for it or not. Name the ambience you want or you get the model's guess.
  6. Generate. Expect around 40 seconds.

When to reach for it

Exploration. The speed is the whole argument. Eight attempts in ten minutes beats two attempts in the same time, and most of the distance between a bad clip and a good one is framing and prompt rather than model capability.

Anything with speech or ambient sound. Audio arrives in the same pass, so it is synchronised rather than laid over.

Short social content. 8 seconds with audio at 135 credits is a complete social clip.

Testing a direction before committing to an expensive finish on Veo 3.1 Standard at 448.

When not to

Long source footage. The 10-second input cap rules it out.

European editing workflows. The EEA, Switzerland and UK restriction on editing uploaded video.

Deliberate camera work. Kling v3 Standard at 86 credits is more directable.

Physics-critical shots. Seedance 2.5 at 157 holds physical behaviour better.

Native high resolution. 1080p and 4K are upscaled here. If you need native, choose a model whose tier generates at that resolution, because there is no video upscaler on the canvas to fix it afterwards.

Prompting for audio

Since sound is not optional, name it:

Unnamed audio is the model's guess, and the guess is frequently a generic music bed you did not want.

FAQ

How much does Gemini Omni Flash cost? 135 credits for 8 seconds with audio, about $1.35. 51 credits for 3 seconds.

How fast is it? 39-second median on our production jobs, with a p90 of 52 seconds over 70 jobs.

Can I feed it my own video? Up to 10 seconds. Editing or extending uploaded video is unavailable in the EEA, Switzerland and the UK.

Does it generate audio? Yes, by default, at every duration. There is no silent tier.


Explore fast here, commit elsewhere. The 8frame canvas is free and unlimited, and generation is paid from $19/month.

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