Compare Luma's high-fidelity reference editing with xAI's crisp text, factual detail, and 2K output.
Luma Uni-1 Max from Luma AI and Grok Imagine Image 2.0 from xAI represent two different approaches to AI image generation. Luma's highest-fidelity Uni-1 tier for detailed hero images, strong prompt adherence, and reference-guided editing. On the other side, xAI's next-generation image model for precise editing, crisp text rendering, improved factuality, and production-ready visual work.
At 10 credits, Grok Imagine Image 2.0 costs 11 credits less than Luma Uni-1 Max (21 credits). The question is whether the extra cost of Luma Uni-1 Max translates into meaningfully better results for your use case. For product visuals, text-heavy designs, realistic scenes, and precise image edits, Grok Imagine Image 2.0 is hard to beat at its price point. But if you need hero stills, detailed concept art, character references, and precise multi-image edits, Luma Uni-1 Max may justify the premium.
Updated August 2026
Luma Uni-1 Max costs 11 credits more per generation — that adds up fast. Start with Grok Imagine Image 2.0 for most work. It handles product visuals, text-heavy designs, realistic scenes, and precise image edits well. Save Luma Uni-1 Max for when you specifically need hero stills and the quality difference matters.
| Provider | Luma AI | xAI |
| Released | Jun 2026 | Aug 2026 |
| Cost | 21 | 101K/152K |
| Speed | Medium | Medium |
| Reference images | Up to 9 | Up to 1 |
| Editing | ||
| WebP output |
Grok Imagine Image 2.0 is 52% cheaper than Luma Uni-1 Max. Here's how credits add up at scale.
| Volume | Luma Uni-1 Max | Grok Imagine Image 2.0 |
|---|---|---|
| 10 images | 210 | 100 |
| 50 images | 1,050 | 500 |
| 100 images | 2,100 | 1,000 |
At 10 credits per image, Grok Imagine Image 2.0 gives you more generations for your plan. Good enough quality for most everyday use.
Luma Uni-1 Max is worth the extra credits when the output needs to be perfect — portfolio pieces, client work, or final deliverables.
Luma Uni-1 Max supports 9 reference images to keep subjects, styles, and characters consistent across generations.
Practical answers before you start creating.





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