Flux 2 Flex
Flux 2 Flex offers exceptional image quality at an affordable price point, with support for up to 10 reference images — the best value in the Flux family.
Overview
| Property | Value |
|---|---|
| Provider | Black Forest Labs |
| Cost | 20 credits |
| Modality | Image |
| Reference Images | Up to 10 |
| Prompt Required | Yes |
What It's Best For
- Budget-friendly quality — Professional results at low cost
- High-volume workflows — Affordable for many generations
- Multi-reference consistency — Up to 10 reference images
- Iterative work — Test and refine without breaking the bank
- Creative exploration — Experiment freely
Inputs
Prompt (Required)
Describe the image you want to generate.
Connection Color: 🟡 Yellow
Input Images (Optional)
Up to 10 reference images for image-to-image generation.
Connection Color: 🟢 Green
Configuration
Aspect Ratio
Type: Select
Default: 1:1
Standard aspect ratios plus "Match Input Image" and "Custom" options.
Resolution
Type: Select
Default: 1 MP
| Option | Recommended For |
|---|---|
| 0.5 MP | Quick drafts |
| 1 MP | Standard use |
| 2 MP | High quality |
| 4 MP | Maximum detail |
Guidance
Type: Slider
Range: 1.5 - 10
Default: 4.5
Controls how closely the output follows your prompt:
- Low (1.5-3) — More creative freedom
- Medium (3.5-5) — Balanced
- High (6-10) — Strict prompt adherence
Inference Steps
Type: Slider
Range: 1 - 50
Default: 30
More steps = higher quality but slower generation.
Prompt Upsampling
Type: Toggle
Default: On
Automatically enhances your prompt for more creative results.
Safety Tolerance
Type: Slider
Range: 1 - 5
Default: 2
Content filtering strictness.
Seed
Type: Number
For reproducible results.
Output Format & Quality
Standard options: webp, jpg, png with quality slider (0-100).
Output
Type: Image
Connection Color: 🟢 Green
Use Cases
Quick Concepts
Modern logo design for a tech startup, minimalist,
blue and white color scheme, clean lines.
Batch Variations
Generate multiple variations affordably:
Product photo of a water bottle, studio lighting,
white background, professional quality.
Run multiple times with different seeds
Style Exploration
Portrait in the style of [reference], dramatic lighting, cinematic color grading.
Social Media Content
Instagram-ready photo of healthy breakfast bowl,
overhead shot, natural lighting, vibrant colors.
Tips for Best Results
- Enable prompt upsampling — Better creative results
- Use 30 steps — Good balance of quality and speed
- Adjust guidance — Lower for creative, higher for precise
- Leverage 10 references — Maximum consistency potential
- Iterate freely — Low cost enables experimentation
Value Comparison
| Model | Cost | Quality | References |
|---|---|---|---|
| Flux 2 Flex | 20 credits | ⭐⭐⭐⭐ | 10 |
| Flux 2 Dev | 50 credits | ⭐⭐⭐⭐ | 4 |
| Flux 2 Pro | 120 credits | ⭐⭐⭐⭐⭐ | 8 |
| Qwen Image | 20 credits | ⭐⭐⭐ | 1 |
Flux 2 Flex offers the best combination of price, quality, and reference image support.
Workflow Strategy
Smart approach:
- Draft with Flux 2 Flex (20 credits) — Explore concepts
- Refine prompt — Iterate until satisfied
- Final with Flux 2 Pro (120 credits) — Maximum quality if needed
This saves credits while ensuring quality where it matters.
Related Models
- Flux 2 Pro — Premium quality
- Flux 2 Dev — Faster generation
- Qwen Image — Same price, different strengths