Private creative AI

Image generation models and GPU requirements

Compare local text-to-image and image-editing models by checkpoint, licence and usable GPU memory. Resolution, reference images, encoders, VAEs, ControlNet-style components and batch size all affect the complete pipeline.

Selection approach

Choose for the workload, then size the complete deployment

Evaluate the full workflow rather than the transformer alone. A commercially restricted checkpoint or a pipeline that relies on heavy CPU offload may not suit an agency or production studio even when it technically loads.

01

What to compare

  • Text-to-image, editing or reference-led workflow
  • Commercial rights and output-use policy
  • Prompt adherence and visual quality
  • Ecosystem support in Diffusers or ComfyUI

02

What changes the hardware

  • Complete pipeline peak VRAM
  • Resolution, batch and reference-image count
  • CPU offload performance and system RAM
  • Fast local storage for models and assets

03

What to test before purchase

  • Prompt adherence on the intended creative style
  • Peak VRAM at target resolution
  • Seconds per image and batch stability
  • Reproducibility and workflow restoration

4 current models

Compare models by workload and GPU memory

Showing 4 models

Black Forest Labs

FLUX.2 Klein 4B

A compact rectified-flow model for text-to-image, image editing and multi-reference work, released under Apache 2.0.

  • Image generation
Minimum GPU memory
About 13GB VRAM
Recommended starting system
Team 32
Licence
Apache License 2.0
See specifications and all 11 systems

Qwen

Qwen-Image 2512

The December 2025 Qwen-Image update for text-to-image generation, with improved realism, natural detail and text rendering.

  • Image generation
Minimum GPU memory
64GB GPU as a tight full-weight floor
Recommended starting system
Studio 96
Licence
Apache License 2.0
See specifications and all 11 systems

Stability AI

Stable Diffusion 3.5 Large

An 8B-class text-to-image model in the Stable Diffusion 3.5 family, with a large ecosystem of Diffusers and ComfyUI workflows.

  • Image generation
Minimum GPU memory
24GB planning floor with an optimised or offload workflow
Recommended starting system
Team 32
Licence
Stability AI Community Licence
See specifications and all 11 systems

Black Forest Labs

FLUX.2 Klein 9B

A 9-billion-parameter rectified-flow image model for text-to-image generation and multi-reference image editing.

  • Image generation
Minimum GPU memory
64GB on one GPU
Recommended starting system
Studio 96
Licence
FLUX Non-Commercial License
See specifications and all 11 systems

Model-to-hardware fit

Memory fit is the first gate, not the final recommendation

  1. 01Exact model version

    Use the precise model version, numerical format and complete software pipeline intended for production.

  2. 02Minimum memory

    Check whether it can load on one GPU or requires supported multi-GPU loading.

  3. 03Working headroom

    Allow for context, cache, batch, media encoders and concurrent users.

  4. 04Workload test

    Measure quality, latency and stability on representative work.

What a complete image generation deployment needs

Model weights are only one part of the system. Data access, runtime software, storage, monitoring and administrator handover also affect a reliable deployment.

Diagram showing an approved request, a local service, an approved store and a policy-controlled data path
Diagram showing an approved request, a local service, an approved store and a policy-controlled data path
A private deployment starts with the permitted data path, access policy and logging boundary. GPU Servers technical illustration.
A private deployment starts with the permitted data path, access policy and logging boundary. GPU Servers technical illustration.
GPU server remote management dashboard with system status, access logs and sensor monitoring panels
GPU server remote management dashboard with system status, access logs and sensor monitoring panels
Supplier screenshot of the platform management interface. The final management features and access policy depend on the ordered system. OEM supplier reference image.
Supplier screenshot of the platform management interface. The final management features and access policy depend on the ordered system. OEM supplier reference image.
Diagram showing approved documents moving through a searchable index to an answer with a source citation
Diagram showing approved documents moving through a searchable index to an answer with a source citation
A retrieval workflow should connect each useful answer to approved source material and defined refusal behaviour. GPU Servers technical illustration.
A retrieval workflow should connect each useful answer to approved source material and defined refusal behaviour. GPU Servers technical illustration.
Diagram of an evidence pack containing an asset schedule, burn-in record, health readings, workload test and admin guide
Diagram of an evidence pack containing an asset schedule, burn-in record, health readings, workload test and admin guide
A complete handover includes the supplied assets, test results, operating instructions and agreed follow-up work. GPU Servers technical illustration.
A complete handover includes the supplied assets, test results, operating instructions and agreed follow-up work. GPU Servers technical illustration.