FLUX.3 Klein
Also listed as FLUX.3 Klein. The compared price is on that page.
Cheapest
$0.009/image
Providers
1
Arena
Not ranked
This listing
FLUX.3 Klein by Black Forest Labs costs $0.009 per image (1K image) at BFL API, the one provider the board counts, as of 28 Oct 2026.
FLUX.3 Klein price by provider
FLUX.3 Klein price per variant
| Variant | Median | Range | Providers counted |
|---|---|---|---|
| 1K | $0.009/image | — | 1 /2 |
About FLUX.3 Klein
Black Forest Labs FLUX.3 Klein text-to-image on fal (blackforestlabs/flux-3/klein/text-to-image), released 2026-10-15. Native 4K. image_size is square_hd (the default), square, portrait_4_3, portrait_16_9, landscape_4_3, landscape_16_9, or a custom width and height. Each side is 256 to 4096, a multiple of 16, and the area is at most 16,777,216 pixels. There is no auto preset and no resolution enum. bounding_boxes accepts up to 32 boxes. Box edges are fractions of the image, with (0, 0) at the top-left, and the prompt names a box by its label, for example <fox>. num_images is 1 to 4, default 1. output_format is jpeg, png (the default), or webp. enable_prompt_expansion and enable_safety_checker default to true. There is no negative prompt and no image input. Planned per-image prices, the same for generation and editing: 768×768 $0.008, 1K $0.009, 1.5K $0.011, 2K $0.014, 4K $0.036. Confirmed on the fal model page and the Black Forest Labs pricing page on 2026-10-16.
FLUX.3 Klein pricing questions
- How much does FLUX.3 Klein cost per image?
- The median is $0.009 per image across 1 counted provider, for a 1K image, as of 28 Oct 2026.
- What is the cheapest FLUX.3 Klein API?
- Only BFL API publishes a price for FLUX.3 Klein that the board counts: $0.009 per image, as of 28 Oct 2026.
- Which providers sell FLUX.3 Klein?
- 2 providers list it: BFL API and fal. 1 publishes a price the board counts, as of 28 Oct 2026.