Bonsai Image

Bonsai Image

PrismML
FLUX 3 Image Klein

FLUX 3 Image Klein

Black Forest Labs
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+

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About

Bonsai Image Ternary 4B MLX 2-bit is a ternary-weight text-to-image diffusion transformer deployment for Apple Silicon. It is built as a quality-oriented Bonsai Image variant, using ternary {−1, 0, +1} transformer weights with FP16 group-wise scaling in the matrix-heavy transformer layers, including Q/K/V projections, output projections, and MLP weights. The model reduces the FLUX.2 Klein 4B transformer from 7.75 GB FP16 to a 1.21 GB Bonsai Image transformer, a 6.4× smaller footprint, while keeping visual quality and prompt fidelity close to the original model. The Apple Silicon deployment payload is 3.88 GB, including the MLX 2-bit diffusion transformer, a 4-bit Qwen3-4B text encoder, and an FP16 Flux2 VAE. After prompt encoding, the text encoder is offloaded, so the denoising loop only keeps the compact transformer and VAE resident. The model uses a 4-step FlowMatchEuler sampler with guidance 1.0 and shift 3.0, with no CFG and no negative prompts required.

About

FLUX 3 Image Klein is an image-generation model from Black Forest Labs for developers and creative teams. It creates images from text prompts and supports instruction-based image editing, reference-image guidance with up to 10 images, and output at resolutions up to 4K. The 5.6-billion-parameter model is available through the Black Forest Labs API and as downloadable weights for local inference. Base and step-distilled variants support different workflows, with additional quantized formats for local deployment. Use it for creative production, design exploration, prototyping, and image-generation features in applications. Local and commercial use are subject to the model license. API usage is charged per generated image, with pricing varying by resolution.

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Supported
iPhone Supported
iPad Supported
Android Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Apple Silicon developers building private local image-generation apps that need compact diffusion models

Audience

Developers, creative professionals, and organizations seeking image generation and editing capabilities for applications or local workflows.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Pricing

$0.009/1K image
API use is pay-as-you-go, starting at $0.009 per 1K-resolution image; charges vary by image resolution.
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

PrismML
Founded: 2026
United States
prismml.com

Company Information

Black Forest Labs
Founded: 2024
Germany
bfl.ai/blog/flux-3-image-klein

Alternatives

Bonsai 27B

Bonsai 27B

PrismML

Alternatives

FLUX.2 [max]

FLUX.2 [max]

Black Forest Labs
FLUX.2 [klein]

FLUX.2 [klein]

Black Forest Labs
FLUX.1

FLUX.1

Black Forest Labs
FLUX 3 Image Klein

FLUX 3 Image Klein

Black Forest Labs
FLUX.2 [klein]

FLUX.2 [klein]

Black Forest Labs
FLUX1.1 Pro

FLUX1.1 Pro

Black Forest Labs
FLUX.1

FLUX.1

Black Forest Labs
FLUX.1 Kontext

FLUX.1 Kontext

Black Forest Labs

Categories

AI Image Models Supported

Categories

AI Image Models Supported

Integrations

ComfyUI Not Supported

Integrations

ComfyUI Supported
Claim Bonsai Image and update features and information
Claim Bonsai Image and update features and information
Claim FLUX 3 Image Klein and update features and information
Claim FLUX 3 Image Klein and update features and information