FLUX 3 Image Klein
Key facts · verified Oct 18, 2026
FLUX 3 Image Klein is a Black Forest Labs image generation model released on 15 Oct 2026. Pricing: From $0.008 per image (768 × 768) to $0.036 (4K) - BFL API; open weights free to download. Source: docs.bfl.ai.
Black Forest Labs' FLUX 3 Image Klein, released on October 15, 2026: a 5.6-billion-parameter version of FLUX 3 Image with open weights on Hugging Face under the FLUX Kommunity License. It supports text to image, image editing, up to ten reference images and bounding boxes, at up to 4K, and runs on consumer GPUs down to an RTX 3090. It comes in two variants: Distilled for fast generation and Base for fine-tuning and LoRA training. Through the BFL API it costs from $0.008 to $0.036 per image.
From $0.008 per image (768 × 768) to $0.036 (4K) - BFL API; open weights free to download
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From $0.008 per image (768 × 768) to $0.036 (4K) - BFL API; open weights free to download | |
|---|---|
| Identity | |
| Developer | Black Forest Labs |
| Released | Oct 2026 |
| Status | GA |
| Licence | Open weights - FLUX Kommunity License |
| Self-hostable | Yes - consumer GPUs down to an RTX 3090 |
| Cost | |
| Price per image | $0.008 (768 × 768), $0.009 (1K), $0.011 (1.5K), $0.014 (2K), $0.036 (4K) |
| Capacity | |
| Max resolution | Up to 4K |
| Capability | |
| Image-to-image | Yes - up to 10 reference images |
| Access | |
| API | Yes - BFL API |