Sample output generated by FLUX.2 Klein, a image generation model available via the Mynth API
imagecommercial use

FLUX.2 Klein

FLUX.2 Klein by Black Forest Labsimage generation model API

FLUX.2 [klein] 4B is a step-distilled open-weight model for sub-second text-to-image and multi-reference editing, designed for consumer GPUs under Apache 2.0.

released 2026-01-15

model id

black-forest-labs/flux.2-klein-4b

01pricing

generation

Charged per output image

Standard
$0.0010/per image
Input imagescharged for each input used by each successful output
Free/per input image

1,000 images per $1 at standard size

platform features

Optional add-ons & automatic features

Mynth Magic PromptFree during beta while we test Magic Prompt and gather feedback
$0.01Free/per task
Content Rating
Free/per image
Automatic Size
Free/per task
Automatic Model
Free/per task

Feature costs apply only when a feature is used in a request.

Pricing is subject to change — we're in Beta and costs may be adjusted as we scale. You'll be notified before any price changes take effect.