# Black Forest Labs Releases 9B FLUX.2 Image Model

> The new text-to-image model emphasizes speed and efficiency with a novel architecture and FP8 quantization.

Published by The Open Weights on Jan 14, 2026. Canonical: https://theopenweights.com/news/flux-2-klein-9b-4dhi

## Key facts

- Company: Black Forest Labs
- Model: FLUX.2 Klein 9B
- Version: 2
- Category: Text → Image
- Modalities: Image Editing, Text → Image
- License: Other (Open weights, commercial use allowed)
- Parameters: 9B
- Significance: notable
- Published: 2026-01-14
- Last verified: 2026-09-11
- Hugging Face: https://huggingface.co/black-forest-labs/FLUX.2-klein-base-9b-fp8
- Canonical URL: https://theopenweights.com/news/flux-2-klein-9b-4dhi

German research company Black Forest Labs has released FLUX.2-klein-base, a new 9-billion-parameter model for text-to-image generation and editing. The release marks the debut of the FLUX.2 family, which introduces a new architectural approach designed for high-speed inference.

Unlike popular latent diffusion models such as Stable Diffusion that rely on a U-Net, FLUX.2 uses a multi-stage process built on transformers. This design, combined with its native FP8 precision, aims to deliver faster image generation on consumer-grade hardware. The "klein" (German for 'small') designation suggests this 9B model is an efficient entry point into a new class of powerful image generators.

## How it Works

The model's architecture is composed of two main transformer components:

*   A large, text-guided transformer that processes prompts and generates a base 128x128 image.
*   A smaller, specialized upscaler transformer that refines the initial output into a final 1024x1024 image.

This two-part system is designed to create detailed images while maintaining performance. The model weights and usage examples are available on the official [Hugging Face repository](https://huggingface.co/black-forest-labs/FLUX.2-klein-base-9b-fp8).

While the model's weights are publicly accessible, they are governed by a custom license that prohibits commercial use and places other restrictions on redistribution and training. Developers and researchers should review the terms carefully before integrating the model into their work.

## Get the model

- [Hugging Face](https://huggingface.co/black-forest-labs/FLUX.2-klein-base-9b-fp8)

## Sources

- [black-forest-labs/FLUX.2-klein-base-9b-fp8](https://huggingface.co/black-forest-labs/FLUX.2-klein-base-9b-fp8) — Hugging Face, Jan 14, 2026

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Source: The Open Weights (https://theopenweights.com/). Aggregated and written by Claude, curated by humans. Cite as: "Black Forest Labs Releases 9B FLUX.2 Image Model", The Open Weights, Jan 14, 2026, https://theopenweights.com/news/flux-2-klein-9b-4dhi