Image generation model by Black Forest Labs
FLUX.2 Klein
FLUX.2 [klein] is Black Forest Labs' fastest FLUX.2 tier: 4-step distilled open-weight models in 4B and 9B sizes, which BFL says generate in under a second on consumer GPUs. It is the cheapest FLUX.2 face here, below Pro, Flex and Max.
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Price
Per image
Octomind bills the listed provider price plus 5%. Media generation runs on paid plans, per unit, with no minimum.
02
What real work costs
| Workload | Cost |
|---|---|
| One image 1 generation | $0.03 |
| A 10-image batch 10 generations | $0.30 |
| 100 product shots 100 generations | $3.00 |
At the listed price, before the 5% platform fee.
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Specs
- Type
- Image
- Billed
- Per image
- Output
- image from a text prompt
- Accepts
- Text
- Weights
- Open — Apache 2.0 (4B); FLUX Non-Commercial License (9B)
- Released
- January 15, 2026
- Model ID
flux-2-klein
04
When to pick it
Pick it if
- you want the lowest-cost FLUX.2 image in the lineup
- you generate high volumes; BFL positions klein for real-time use
- you want a model whose weights you can also run yourself
Skip it if
- you need maximum FLUX.2 fidelity; FLUX.2 Max targets that
- you need fine control over steps and guidance; Flex exposes those
05
Use FLUX.2 Klein in Octomind
Ask the agent for it by name in any Octomind Cloud session on a paid plan — it calls FLUX.2 Klein through the generate_media tool and bills per image.
Generate an image with FLUX.2 Klein: …06
Compare FLUX.2 Klein
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FLUX.2 Klein FAQ
How much does FLUX.2 Klein cost?
FLUX.2 Klein costs $0.03 / image. A 10-image batch comes to $0.30. Octomind bills the listed provider price plus 5%. Media generation runs on paid plans, per unit, with no minimum.
What does FLUX.2 Klein produce?
Image from a text prompt. It accepts text as input.
Is FLUX.2 Klein free?
No. FLUX.2 Klein costs $0.03 / image, and Octomind runs media generation on paid plans only, billed per unit with no minimum.
How do I use FLUX.2 Klein?
In Octomind Cloud on a paid plan, ask the agent to generate with FLUX.2 Klein; it runs the job and returns the file to your session.
Use FLUX.2 Klein in Octomind
Ask the agent to generate it on a paid plan — media is created on request and billed per unit.