Black forest labs

FLUX.2 Models Compared: Which One Should You Use?

Complete comparison of all five FLUX.2 image models - klein 4B, klein 9B, Dev, Pro, Flex, and Max - covering quality, speed, pricing, and use cases.

FLUX.2 [max]

Black Forest Labs' top-tier image model - highest quality, best prompt adherence, grounded generation with web context, and professional-grade editing consistency at $0.07 per megapixel.

FLUX.2 [flex]

Black Forest Labs' developer-controlled image model with adjustable steps and guidance - maximum precision for typography, UI mockups, and detail-critical workflows.

FLUX.2 [pro]

Black Forest Labs' production-grade image generation API - state-of-the-art quality at affordable pricing, optimized for commercial workflows with 4MP output.

FLUX.2 [dev]

Black Forest Labs' 32B open-weight image model - the most powerful open alternative for text-to-image, editing, and multi-reference generation with up to 10 reference images.

FLUX.2 [klein] 9B

Black Forest Labs' 9B parameter distilled image model - sub-second generation with higher quality than the 4B variant, 19.6 GB VRAM, non-commercial license.

FLUX.2 [klein] 4B

Black Forest Labs' fastest open-source image generation model - 4B parameters, Apache 2.0 license, sub-second generation on consumer GPUs with 13GB VRAM.