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AI image model
Google
Google Imagen

Google Imagen4

Text-only image generation. 8 credits per request. 5,000 characters. Aspect ratio: 1:1, 16:9, 9:16, 3:4, 4:3, Auto.

Capabilities
Text-only image generation
Credit cost
8 credits per request
Prompt limit
5,000 characters
Image input
Not supported
30-second overview
  • The text-only input, 5,000-character main-prompt limit, and fixed single-image output are explicit.
  • Aspect ratio: 1:1, 16:9, 9:16, 3:4, 4:3, Auto.
  • How do Imagen4 and Imagen4 Fast compare on Kyeo credits? Kyeo charges 8 credits for each single-image Google Imagen4 request; the selected ratio, negative prompt, and seed do not change the Kyeo credit cost.

Popular searches: how to use Google Imagen4 on Kyeo · Google Imagen4 credit cost · Google Imagen4 prompt limit

At a glance

What is this model like?

Negative prompts support up to 5,000 characters, and text seeds up to 500 characters. Text-only image generation.

What it does best
Kyeo accepts text only and does not expose image editing, output count, resolution, format, safety settings, or prompt rewriting.
Best for
Start with the default square output, then use the same brief at landscape, portrait, 3:4, and 4:3. Check subject placement, cropping, text, and negative space against the destination layout. Auto.
Why use it on Kyeo AI
Credit cost: Kyeo charges 8 credits for each single-image Google Imagen4 request; the selected ratio, negative prompt, and seed do not change the Kyeo credit cost.

Key facts

Quickly assess whether this model fits your use case.

Category
AI image model
Vendor
Google
Model family
Google Imagen
Runtime
Asynchronous task
Prompt limit
5,000 characters
Image input
Not supported

Also known as

The same model may appear under different names across documentation and community discussions; this list keeps them easy to search and compare.

Google Imagen4
Google Imagen 4

Common questions

These practical questions focus on the task, input conditions, and result requirements you should confirm before choosing.

how to use Google Imagen4 on Kyeo
Google Imagen4 credit cost
Google Imagen4 prompt limit
Google Imagen4 supported ratios
does Google Imagen4 accept images
Google Imagen4 negative prompt limit
Google Imagen4 seed limit
how many images does Google Imagen4 return
Google Imagen4 vs Imagen4 Fast
Which Imagen4 controls are available on Kyeo

Selection guide

Use these decision points when choosing a model.

1
Choose it for text-only generation with a 1:1 default

Text-only image generation. 8 credits per request. 5,000 characters. Aspect ratio: 1:1, 16:9, 9:16, 3:4, 4:3, Auto. Kyeo charges 8 credits for each single-image Google Imagen4 request; the selected ratio, negative prompt, and seed do not change the Kyeo credit cost.

2
Use another model for editing or output controls

This entry has no image input, output-count setting, size, format, or safety control. Choose a model that explicitly exposes the required control for source-image preservation, local edits, upscaling, or a specific file format.

3
Test both text-field limits

Test both text-field limits: Negative prompts support up to 5,000 characters, and text seeds up to 500 characters.

Popular comparisons

Compare common alternatives on the same task to clarify differences in inputs, controls, and cost.

How do Kyeo's controls differ between Imagen4 and Imagen4 Fast?
How do Imagen4 and Imagen4 Fast compare on Kyeo credits?
Do Imagen4 and Ultra use different default ratios on Kyeo?

Model comparison

Compare the current model with alternatives at a glance.

Kyeo input and output
Google Imagen4
Text only, fixed single-image output
Google Imagen4 Fast
Text only, fixed single-image output
Google Imagen4 Ultra
Text only, fixed single-image output
Default aspect ratio
Google Imagen4
1:1
Google Imagen4 Fast
16:9
Google Imagen4 Ultra
1:1
Kyeo credits
Google Imagen4
Fixed 8
Google Imagen4 Fast
Fixed 4
Google Imagen4 Ultra
Fixed 12

Practical usage insights

Practical guidance based on public sources, current on-site limits, and representative tasks.

Google Imagen

Google Imagen: Kyeo charges 8 credits for each single-image Google Imagen4 request; the selected ratio, negative prompt, and seed do not change the Kyeo credit cost. Negative prompts support up to 5,000 characters, and text seeds up to 500 characters. Aspect ratio: 1:1, 16:9, 9:16, 3:4, 4:3, Auto.

Aspect ratio

Google Imagen: Aspect ratio: 1:1, 16:9, 9:16, 3:4, 4:3, Auto. Default: 1:1.

Capabilities

Capabilities

Capabilities: The text-only input, 5,000-character main-prompt limit, and fixed single-image output are explicit.

Aspect ratio

Aspect ratio: Aspect ratio: 1:1, 16:9, 9:16, 3:4, 4:3, Auto. Default: 1:1.

Seed

Seed: Negative prompts support up to 5,000 characters, and text seeds up to 500 characters.

Use cases

Ratio comparison from a 1:1 baseline

Ratio comparison from a 1:1 baseline: Start with the default square output, then use the same brief at landscape, portrait, 3:4, and 4:3. Check subject placement, cropping, text, and negative space against the destination layout. Auto.

Negative-prompt and seed comparison

Negative-prompt and seed comparison: Negative prompts support up to 5,000 characters, and text seeds up to 500 characters.

Google Imagen: How do Kyeo's controls differ between Imagen4 and Imagen4 Fast?

Google Imagen: How do Kyeo's controls differ between Imagen4 and Imagen4 Fast?: Kyeo charges 8 credits for each single-image Google Imagen4 request; the selected ratio, negative prompt, and seed do not change the Kyeo credit cost.

Prompt tips

Describe visible content in the main prompt

Cover the subject, action, setting, composition, lighting, and required text.

Negative prompt / Seed

Negative prompt / Seed: Negative prompts support up to 5,000 characters, and text seeds up to 500 characters.

Change one variable in seed tests

Change one variable in seed tests: Negative prompts support up to 5,000 characters, and text seeds up to 500 characters.

Why choose it

Google Imagen: The text-only input, 5,000-character main-prompt limit, and fixed single-image output are explicit.
Default: 1:1: Aspect ratio: 1:1, 16:9, 9:16, 3:4, 4:3, Auto.
Each request costs 8 credits regardless of the exposed parameter values.

What to know first

Google deprecated `imagen-4.0-generate-001` and recommended migration.
Use another model for editing or output controls: Kyeo accepts text only and does not expose image editing, output count, resolution, format, safety settings, or prompt rewriting.
Do Imagen4 and Ultra use different default ratios on Kyeo? Negative prompts support up to 5,000 characters, and text seeds up to 500 characters.

Adjustable parameters

Quickly assess whether this model fits your use case.

Negative prompt
negative_prompt
Optional
Parameter type: text
5,000 characters
Aspect ratio
aspect_ratio
Optional
Parameter type: select
Default: 1:1
1:1
16:9
9:16
3:4
4:3
Auto
Seed
seed
Optional
Parameter type: text
Negative prompts support up to 5,000 characters, and text seeds up to 500 characters.

Credit usage

8 credits per request

Kyeo charges 8 credits for each single-image Google Imagen4 request; the selected ratio, negative prompt, and seed do not change the Kyeo credit cost.

Budget tip

Before batch generation, run an A/B test with the same assets across the current model and alternatives to validate quality and avoid wasting credits.

FAQ

Related models

Compare these similar candidates before deciding.

Google Imagen4 Fast

Text-only image generation. No image input. Aspect ratio: 1:1, 16:9, 9:16, 3:4, 4:3, Auto. 4 credits per request.

AI image model
4 credits per request

Google Imagen4 Ultra

Text-only image generation. 12 credits per request. 5,000 characters. Aspect ratio: 1:1, 16:9, 9:16, 3:4, 4:3, Auto.

AI image model
12 credits per request

4o Image

4o Image / Capabilities — This page offers only three aspect ratios—`1:1 / 3:2 / 2:3`—at a fixed 3 credits per request and does not accept reference images.

AI image model
3 credits per request

Sources

Content is based on model documentation, feature references, and the settings available on Kyeo AI.

Source note

Kyeo charges 8 credits for each single-image Google Imagen4 request; the selected ratio, negative prompt, and seed do not change the Kyeo credit cost. Negative prompts support up to 5,000 characters, and text seeds up to 500 characters. Aspect ratio: 1:1, 16:9, 9:16, 3:4, 4:3, Auto.

Last updated: 2026-08-26
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