[Models](https://modelpricetrack.com/) › [Image](https://modelpricetrack.com/image) › FLUX.3 Klein

# 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.

Prices as of 17 Oct 2026. Every price links to its source.

## FLUX.3 Klein price by provider

| Provider | Sold by | Price | vs official | Counted | Source | Checked |
| --- | --- | --- | --- | --- | --- | --- |
| [BFL API](https://modelpricetrack.com/providers/bfl-api/models/blackforestlabs/flux-3/klein/edit-image) | [Official](https://modelpricetrack.com/methodology#official) | $0.009/image | — | counted | [BFL API](https://docs.bfl.ai/quick_start/pricing) | 17 Oct 2026 |
| [fal](https://modelpricetrack.com/providers/fal/models/blackforestlabs/flux-3/klein/edit-image) | [Platform](https://modelpricetrack.com/methodology#platform) | No public price | — | not counted (no price) | — | — |

## 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.

- [FLUX.3 Klein price history](https://modelpricetrack.com/models/blackforestlabs/flux-3/klein/edit-image/history)
- [Black Forest Labs models](https://modelpricetrack.com/makers/black-forest-labs)
- [All image models](https://modelpricetrack.com/image)
- [Black Forest Labs documentation (docs.bfl.ai)](https://docs.bfl.ai/quick_start/pricing)

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Page: [FLUX.3 Klein API price: $0.009 per image, 1 provider](https://modelpricetrack.com/models/blackforestlabs/flux-3/klein/edit-image) · Prices as of 17 Oct 2026

Data: CC BY 4.0 for our own work, attribution "Model Price Track (modelpricetrack.com)". CC BY 4.0 covers Model Price Track's own work (normalisation, medians, rankings, editorial text). Third-party prices are listed as published by each provider, with a link, and are not relicensed. Arena quality scores stay CC BY 4.0 with Arena's attribution. Cite as "Model Price Track, FLUX.3 Klein API price: $0.009 per image, 1 provider, https://modelpricetrack.com/models/blackforestlabs/flux-3/klein/edit-image, retrieved 17 Oct 2026".