Image
FLUX.2 [klein] 4B Base
Control a text-generated scene with FLUX.2 [klein] 4B Base.
- Text to image
- Image editing
Sign in to create. Review the credit cost in the studio before running.
![Preview for FLUX.2 [klein] 4B Base](https://raywake.si/media/catalog/947bda4776630938ca0c4b03d8d9c48cb4bfec1c06a29191ad88b92af7f28e0b)
Catalog preview for FLUX.2 [klein] 4B Base. Review your own result before publishing.
A starting point.
Control a text-generated scene with FLUX.2 [klein] 4B Base. Separate the desired scene from details you want to exclude.
Before you publish.
Check exclusions against the result; a negative prompt does not guarantee an element is absent.
Review the quote before running. A failed generation releases its reserved credits. Download the results you want to keep; stored media is retained for 30 days.
Settings and model questionsCheck the available settings and guidance when preparing your input.
Inputs and settings
Use prompt and negative_prompt in text mode. Select editing mode for an existing image.
Base exposes guidance_scale and 4–50 num_inference_steps; its provider default is 28 steps, unlike the four-step variant.
Inputs, all modes and APIModel IDs, current input limits and the API generation workflow.
Supported inputs
These fields come from the current studio form for flux-2/klein/4b/base. Other modes may require different inputs.
| Input | Type | Requirement | Options and limits |
|---|---|---|---|
prompt | Text | Required | — |
acceleration | Text | Optional | — |
enable_safety_checker | On/off | Optional | — |
guidance_scale | Number | Optional | ≥ 0 · ≤ 20 |
negative_prompt | Text | Optional | — |
num_images | Whole number | Optional | ≥ 1 · ≤ 4 |
num_inference_steps | Whole number | Optional | ≥ 4 · ≤ 50 |
output_format | Text | Optional | jpeg, png, webp |
seed | Whole number | Optional | — |
Check the full model schema for all options and cross-field rules. Request a quote for your selected settings before generating.
Other modes and their inputs
Open the operation you need and check its inputs. Settings from one mode do not automatically apply to another.
Image editingflux-2/klein/4b/base/edit
Supported inputs
These fields come from the current studio form for flux-2/klein/4b/base/edit. Other modes may require different inputs.
| Input | Type | Requirement | Options and limits |
|---|---|---|---|
image_urls | List | Required | Min. items: 1 · Max. items: 4 |
prompt | Text | Required | — |
acceleration | Text | Optional | — |
enable_safety_checker | On/off | Optional | — |
guidance_scale | Number | Optional | ≥ 0 · ≤ 20 |
negative_prompt | Text | Optional | — |
num_inference_steps | Whole number | Optional | ≥ 4 · ≤ 50 |
output_format | Text | Optional | jpeg, png, webp |
seed | Whole number | Optional | — |
Check the full model schema for all options and cross-field rules. Request a quote for your selected settings before generating.
Use FLUX.2 [klein] 4B Base through the API.
Start with this model ID for the endpoint featured on this page:
flux-2/klein/4b/base
Input requirements belong to this model ID. Check a different mode’s schema separately when switching modes.
Available modes
- text-to-image ·
flux-2/klein/4b/base - image-to-image ·
flux-2/klein/4b/base/edit
Check the current model schema for supported inputs and options. Other tasks may use different model IDs.
From quote to result.
Request a credit quote for your input and settings before submitting a generation. A sample output or the price of another model is not a quote for your request.
Follow the generation workflow, then poll the job for its status and result. The API and studio use the same balance.