Flux Ultra 1.1 vs Grok Imagine
Business-appropriate professional portraits — see how these models compare with real AI-generated outputs.
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Choosing the right model for a LinkedIn Professional Photo is less about flashy creativity and more about believable facial detail, flattering but natural lighting, business-appropriate styling, and consistent results that look like a real camera capture.
Below is a focused comparison of Flux Ultra 1.1 and Grok Imagine for generating corporate-ready headshots and portraits—evaluating photorealism, grooming and wardrobe accuracy, background control, and overall “hire-me” professionalism relative to cost.
LinkedIn Professional Photo — Side-by-Side Results
Prompt
"A candid smartphone front-camera photo of a 28–35-year-old woman with shoulder-length dark brown hair in a neat blowout, wearing a navy blazer over a simple white tee and tailored trousers, holding her phone slightly above eye level and smiling softly while looking near the lens. Shot in a real coworking café with a laptop and coffee cup on the table behind her, neutral background and minimal clutter, natural window light giving a clean, professional LinkedIn-ready look. Authentic influencer vibe like an Instagram Story “heading to a meeting” check-in—well-groomed, approachable, not editorial."
Feature Comparison
| Feature | Flux Ultra 1.1 | Grok Imagine |
|---|---|---|
| Provider | Black Forest Labs | xAI |
| Subcategories | text-to-image | text-to-image, image-to-image |
| 1080p / 2k Mode | Yes | Yes |
| 4k Mode | No | No |
| NSFW Rating | Strict | Low |
| Aspect Ratio | 1:1, 16:9, 9:16, 3:4, 4:3, 21:9 | 1:1, 16:9, 9:16, 3:4, 4:3 |
| Starting Price | 16 credits | 4 credits |
Flux Ultra 1.1 Strengths
- Exceptional photorealism for skin texture, hair detail, and natural-looking facial features—useful for premium LinkedIn headshots
- More consistent “studio portrait” polish (lighting falloff, depth, sharpness) that reads as professionally shot
- Stronger at clean, distraction-free backgrounds (neutral gray, office bokeh, soft gradients) that keep attention on the face
- Handles subtle business styling well (blazers, collared shirts, minimal accessories) with fewer distracting artifacts
- Best choice when you need a high-end, executive look and can justify the higher per-image credit cost
Grok Imagine Strengths
- Excellent value per image, making it practical for generating many options (poses, outfits, crops) for A/B selection
- Supports image-to-image workflows, helpful for refining an existing headshot into a more corporate, LinkedIn-friendly version
- Strong at varied compositions (head-and-shoulders, 3/4 portrait) and experimenting with environments (office, lobby, outdoors) while staying realistic
- Good photorealistic quality for most professional portrait needs, especially when prompts clearly specify business styling and neutral lighting
- Ideal for teams or creators who need volume: multiple candidates, multiple looks, and fast iteration
Verdict
Flux Ultra 1.1 is the premium pick for LinkedIn professional photos when the goal is maximum realism and a high-end, studio-quality finish—particularly for executive portraits where tiny details (skin, hairline edges, fabric texture) matter.
Grok Imagine is the best value for LinkedIn headshots if you want to iterate quickly, generate many variations, or refine an existing photo using image-to-image—delivering convincing professional results at a much lower credit cost per image.
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