Gemini Omni Flash or Kling: how much prompt fits in a shot?

The biggest difference here is prompt length: Gemini Omni Flash accepts an order of magnitude more characters than Kling. See the “Longest prompt” row in the table. Kling, in turn, makes a longer clip and has several variants, i.e. price tiers. The choice is between a detailed scene and a longer, more controllable shot.

Try both in the studio See pricing

What's the difference between Gemini Omni Flash and Kling for text → video?

The price in credits is per SECOND of video and is shown on the “Generate” button before every run. The “Five seconds cost” row below is the same price multiplied by five.

What Gemini Omni Flash Kling
Model variants on our platform 1 5
What it needs as input description description
Price in credits per second 201 169–843
Five seconds cost 1005 credits 845 credits
Longest clip at once 10 sec 15 sec
Resolutions to choose from 480p, 720p, 1080p 480p, 720p, 1080p
Aspect ratio 16:9 ✓ ✓
Aspect ratio 9:16 ✓ ✓
Aspect ratio 1:1 ✗ ✓
Sound from the model itself ✓ ✓
Negative description (“without…”) ✓ ✓
Longest description 20000 characters 2500 characters
Cheapest variant Gemini Omni Flash Kling 3.0 Standard

Which variants are part of this comparison, and what do they cost?

Brand Variant Credits per second
Gemini Omni Flash Gemini Omni Flash 201
Kling Kling 3.0 Standard 169
Kling 3.0 Pro 225
Kling 2.1 Master 562
Kling O3 4K 843
Kling V3 4K 843

What's the difference between Gemini Omni Flash and Kling for image → video?

The price in credits is per SECOND of video and is shown on the “Generate” button before every run. The “Five seconds cost” row below is the same price multiplied by five.

What Gemini Omni Flash Kling
Model variants on our platform 1 5
What it needs as input photo photo
Price in credits per second 201 112–843
Five seconds cost 1005 credits 560 credits
Longest clip at once 10 sec 10 sec
Resolutions to choose from 720p, 1080p 720p, 1080p
Aspect ratio 16:9 ✓ ✓
Aspect ratio 9:16 ✓ ✓
Aspect ratio 1:1 ✓ ✓
Most images at once 2 1
Sound from the model itself ✓ ✓
Negative description (“without…”) ✗ ✓
Longest description 20000 characters 2500 characters
Cheapest variant Gemini Omni Flash Kling 2.1

Which variants are part of this comparison, and what do they cost?

Brand Variant Credits per second
Gemini Omni Flash Gemini Omni Flash 201
Kling Kling 2.1 112
Kling 3.0 Standard 169
Kling 3.0 Pro 225
Kling O3 4K 843
Kling V3 4K 843

What is Gemini Omni Flash better at?

A long description isn't an end in itself. It means you can describe clothing, setting, light, camera movement and mood in one field, instead of ranking them by importance and cutting the last ones.

Gemini Omni Flash works in four modes under one name. This makes the flow consistent: a description found for text to video also works for image to video.

One price, one model, no choice. For someone who doesn't want to compare options, this is a shorter path to the result.

What is Kling better at?

Kling makes a longer clip than Gemini Omni Flash — see the length row. For a shot that has to hold through a whole slogan, that decides it.

Kling has several variants: you test on the cheap one and pay for the pricey one only for the final. With per-second pricing, that is the most direct way to bring the bill down without switching brands.

Kling accepts a negative description in both modes — the restrictions that save runs when working with a product.

Where does each of the two fall short — Gemini Omni Flash and Kling?

Where Gemini Omni Flash loses. It makes a shorter clip than Kling and is a single model with no price tiers. The long prompt field also has a downside: a detailed prompt doesn't mean a better shot, but more conditions for the model to choose between — and sometimes it chooses not yours.

Where Kling loses. It accepts a prompt many times shorter. A complex scene has to be compressed, and compressing is work you pay for with runs. Kling also covers fewer modes: to rework a finished clip you'll use another brand.

How to choose between Gemini Omni Flash and Kling?

If the scene is complex and you describe it in detail — Gemini Omni Flash. If the shot is long and you'll try it many times — Kling.

And one warning from practice: a long prompt is not a better prompt. Say what is seen and one movement; the rest is noise with both models. More on this on the text to video page.

Questions and answers

Which is cheaper for text → video — Gemini Omni Flash or Kling?

Kling. Gemini Omni Flash starts at 201 credits per second, Kling — at 169 credits per second. The cheapest option for Gemini Omni Flash is Gemini Omni Flash, for Kling — Kling 3.0 Standard. The exact price is shown on the button before you start the generation.

Which makes longer videos — Gemini Omni Flash or Kling?

Kling. Gemini Omni Flash goes up to 10 seconds at a time, Kling — up to 15 seconds. Anything longer is made from several clips stitched together afterwards.

Which is cheaper for image → video — Gemini Omni Flash or Kling?

Kling. Gemini Omni Flash starts at 201 credits per second, Kling — at 112 credits per second. The cheapest option for Gemini Omni Flash is Gemini Omni Flash, for Kling — Kling 2.1. The exact price is shown on the button before you start the generation.

How long should the prompt really be?

One sentence for the shot and one for the movement are enough in most cases. The big field helps with a complex scene, not with every scene.

Can I use the same description with both models?

Yes, but with Kling you'll have to shorten it to its limit. See the “Longest prompt” row in the table — the live value is there.

Which of the two has a more predictable price?

Gemini Omni Flash — one model, one price per second. With Kling the price depends on the chosen variant, which is an advantage for tests and a drawback for a quick decision.

Where can I find the full details for Gemini Omni Flash and Kling?

This page compares the two brands with each other. The full technical card for each — all variants, their strengths and weaknesses, typical tasks and real examples from the community — is on its own page.

Which other model is worth comparing with?

All comparisons in one place

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