workflow-templates-broken-zap-2026-06-08/site/knowledge/blog/flux2-klein-4b.md

FLUX.2 [klein] 4B & 9B

Date: 2026-01-16 Source: https://blog.hanzo.ai/p/flux2-klein-4b-fast-local-image-editing Category: model-release

Key Facts

• Fastest image models in the Flux family, unifying image generation and editing
• Designed for interactive workflows, immediate previews, and latency-critical applications
• End-to-end inference around one second on distilled variants
• Available in Base (undistilled) and Distilled (4-step) variants at both 4B and 9B parameters
• Both sizes support text-to-image and image editing including single/multi-reference

Benchmarks

• 9B distilled: 4 steps, ~2s on 5090, 19.6GB VRAM
• 9B base: 50 steps, ~35s on 5090, 21.7GB VRAM
• 4B distilled: 4 steps, ~1.2s on 5090, 8.4GB VRAM
• 4B base: 50 steps, ~17s on 5090, 9.2GB VRAM

Related Templates

• image_flux2_klein_text_to_image
• image_flux2_klein_image_edit_4b_base
• image_flux2_klein_image_edit_4b_distilled
• image_flux2_klein_image_edit_9b_base
• image_flux2_klein_image_edit_9b_distilled