FLUX.3 Klein API pricing
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 17 Oct 2026.
FLUX.3 Klein price by provider
FLUX.3 Klein price per variant
| Variant | Median | Range | Providers counted |
|---|---|---|---|
| 1K | $0.009/image | — | 1 of 2 |
About FLUX.3 Klein
Black Forest Labs FLUX.3 Klein image edit on fal (blackforestlabs/flux-3/klein/edit-image), released 2026-10-15. prompt and image_urls are required. image_urls accepts 1 to 10 reference images, and the prompt refers to them by order (the first image, the second image). image_size matches text-to-image and may be omitted: one reference keeps its own size scaled to at most 4 megapixels, and several references follow the first image scaled to at most 1 megapixel. Each side is 256 to 4096, a multiple of 16, with a maximum area of 16,777,216 pixels (native 4K). bounding_boxes accepts up to 32 boxes for keeping, moving, resizing, or removing objects, and a box can name a label, a source image, and a source or target region. num_images is 1 to 4. output_format is jpeg, png, or webp. There is no negative prompt. Planned per-image prices, the same as text-to-image: 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 17 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 17 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 17 Oct 2026.