FLUX.2 Klein 9B FP8 (Recommended)
Fastest Flux model. Sub-second generation, 4-step distilled. Runs on RTX 4090.
- GPU tier
- GPU Efficient (L4)
- Base rate
- $0.39/hr
- VRAM
- 24GB
- Template
- comfyui-flux2
FLUX.2 Klein 9B Base (Undistilled)
Base model for fine-tuning and LoRA training. More steps but higher quality ceiling.
- GPU tier
- GPU Efficient (L4)
- Base rate
- $0.39/hr
- VRAM
- 24GB
- Template
- comfyui-flux2
Deployment facts
| Factor | FLUX.2 Klein 9B FP8 (Recommended) | FLUX.2 Klein 9B Base (Undistilled) |
|---|---|---|
| Model family | flux2-klein | flux2-klein |
| Variant | 9B FP8 (Recommended) | 9B Base (Undistilled) |
| Type | image | image |
| Deployment template | comfyui-flux2 | comfyui-flux2 |
| GPU tier | GPU Efficient (L4) | GPU Efficient (L4) |
| GPU | NVIDIA L4 | NVIDIA L4 |
| VRAM | 24GB | 24GB |
| vCPU / RAM / disk | 12 vCPU / 50GB RAM / 200GB disk | 12 vCPU / 50GB RAM / 200GB disk |
| Base GPU rate | $0.39/hr | $0.39/hr |
| Base 24/7 monthly rate | $281/mo | $281/mo |
| Estimated first deploy | 18 min | 18 min |
| Config source | flux2-klein-9b-fp8 | flux2-klein-9b |
Base GPU rates are sourced from the current instance configuration. Final billed price can include ModelPilot service markup and active usage settings.
Cost scenarios
| Usage level | Hours/mo | FLUX.2 Klein 9B FP8 (Recommended) | FLUX.2 Klein 9B Base (Undistilled) |
|---|---|---|---|
| Prototype | 40 | $15.60 | $15.60 |
| Part-time app | 160 | $62.40 | $62.40 |
| Always-on | 720 | $281 | $281 |
Evidence summary
- flux2-klein-9b-fp8 and flux2-klein-9b are both image models, so this page compares a real same-category deployment decision rather than unrelated catalog entries.
- FLUX.2 Klein 9B FP8 (Recommended) maps to GPU Efficient (L4) at $0.39/hr; FLUX.2 Klein 9B Base (Undistilled) maps to GPU Efficient (L4) at $0.39/hr.
- FLUX.2 Klein 9B FP8 (Recommended) uses comfyui-flux2 with comfyui; FLUX.2 Klein 9B Base (Undistilled) uses comfyui-flux2 with comfyui.
- FLUX.2 Klein 9B FP8 (Recommended) is positioned for Sub-second image generation and Real-time AI applications; FLUX.2 Klein 9B Base (Undistilled) is positioned for Sub-second image generation and Real-time AI applications.
- The comparison is generated from ModelPilot's committed modelConfig, modelSeoData, and instanceConfig files so deployment facts stay tied to the product catalog.
Decision matrix
| Factor | FLUX.2 Klein 9B FP8 (Recommended) | FLUX.2 Klein 9B Base (Undistilled) | Winner |
|---|---|---|---|
| Lower base GPU cost | $0.39/hr | $0.39/hr | Tie |
| Lower VRAM requirement | 24GB | 24GB | Tie |
| Higher catalog popularity | 11 score | 6 score | FLUX.2 Klein 9B FP8 (Recommended) |
| Cheaper always-on deployment | $281/mo | $281/mo | Tie |
| More specific deployment template | comfyui-flux2 | comfyui-flux2 | Tie |
FAQ
Which is cheaper to run, FLUX.2 Klein 9B FP8 (Recommended) or FLUX.2 Klein 9B Base (Undistilled)?
FLUX.2 Klein 9B FP8 (Recommended) has the lower base GPU rate in the current ModelPilot config at $0.39/hr before any service markup or usage-specific adjustments.
Which uses less VRAM, FLUX.2 Klein 9B FP8 (Recommended) or FLUX.2 Klein 9B Base (Undistilled)?
FLUX.2 Klein 9B FP8 (Recommended) maps to the lower VRAM tier at 24GB in the current deployment recommendation.
Can both models run through ModelPilot?
Yes. FLUX.2 Klein 9B FP8 (Recommended) uses the comfyui-flux2 deployment template and FLUX.2 Klein 9B Base (Undistilled) uses comfyui-flux2. Check the deploy flow before launch for current template availability and pricing.