FP8 quantized variant of Black Forest Labs' FLUX.1 [schnell] model, offering ~2x faster inference with reduced precision while maintaining high-quality image generation in 4 steps
Settled by community votes across 2 shared challenges, with an AI judge weighing in on each.
FLUX.1 [schnell] FP8
17.8
arena score
#36 of 44 in Text-to-Image
Skill signature
Not enough comparable category data
The chart appears once both models have ratings across at least three shared arena categories.
Grok Imagine Image Pro
24.8
arena score
#14 of 44 in Text-to-Image
Vote tally
Where the votes landed
FLUX.1 [schnell] FP8
0.0%
win rate
Ties
0.0%
Grok Imagine Image Pro
100.0%
win rate
0.0%
0.0% ties
100.0%
Shared challenges
2
Challenge by challenge
The strongest take from each model on every shared challenge, with the AI judge's read.
Chalkboard Menu
Text-to-Image“Handwritten-style chalkboard menu in a cozy café, all text rendered in the exact same realistic chalk handwriting style with natural variations in letter size, slight slant, and chalk texture — no printed or digital fonts anywhere on the board. Title at the top in elegant cursive chalk handwriting: ‘TODAY’S SPECIALS – APRIL 30, 2026’. Below it, three menu items also in the same handwritten chalk style: ‘Truffle Mushroom Risotto – $24’, ‘Grilled Octopus with Lemon & Herbs – $28’, ‘Brown Butter Chocolate Chip Cookies – $9’. At the very bottom, smaller text in the identical handwritten chalk style (slightly smaller but still clearly legible with the same handwriting characteristics): ‘All items made fresh daily • Ask about our gluten-free options’. Warm ambient café lighting, visible chalk dust and smudges, realistic handwriting imperfections, no clean printed text anywhere.”
FLUX.1 [schnell] FP8
Grok Imagine Image Pro
AI Judge Analysis
FLUX.1 [schnell] FP8
- + Successfully captures a realistic wood frame and cafe background atmosphere.
- + The chalk text has natural-looking variations in line thickness and spacing.
- − Large amount of 'hallucinated' text and gibberish throughout the menu items.
- − The Handwriting is messy and inconsistent with the requested cursive title.
- − Fails nearly all spelling/prompt adherence for the specific food items and prices.
Grok Imagine Image Pro
- + Excellent prompt adherence with near-perfect spelling for all requested menu items and prices.
- + Captures the requested cursive chalk style for the middle sections beautifully.
- + The chalk texture is highly realistic, showing fine powdery details and authentic letter shapes.
- − The bottom-most line of text appears slightly too uniform, more like a font than the rest of the board.
- − The top title is in a print style rather than the requested 'elegant cursive'.
Verdict: Grok Imagine Image Pro is the clear winner as it correctly followed the prompt's instructions for specific spelling and prices, including 'Truffle Mushroom Risotto' and 'Grilled Octopus'. In contrast, FLUX.1 [schnell] FP8 produced an image filled with gibberish and disorganized text layout, failing to deliver the requested content.
The Reversed Rodeo
Text-to-Image“Horse riding astronaut in space — horse on top, not vice versa. Surreal, highly detailed, cinematic.”
FLUX.1 [schnell] FP8
Grok Imagine Image Pro
0% wins
0% ties
100% wins
AI Judge Analysis
FLUX.1 [schnell] FP8
- + Excellent high-frequency details on the horse's fur and the mechanical equipment.
- + Cinematic lighting with a realistic atmospheric glow from the planet.
- − Completely failed the semantic instruction, showing horses carrying machinery rather than a horse riding an astronaut.
- − The lower horse's anatomy is distorted with legs merging into the light.
Grok Imagine Image Pro
- + Successfully followed the specific 'horse on top' instruction by placing the horse on the astronaut's back.
- + Vibrant, surreal color palette that fits the requested style well.
- + Clear separation of subjects with no clipping or major anatomical glitches.
- − The composition feels slightly more like a collage than a unified cinematic scene.
- − The astronaut's glove on the left has slightly awkward finger positioning.
Verdict: While FLUX.1 [schnell] FP8 produced a more visually grounded and detailed texture, it failed to interpret the specific role-reversal prompt. Grok Imagine Image Pro followed the instruction to have the horse on top of the astronaut perfectly and delivered a highly vibrant, surreal image.
Next steps
Explore each model
xAI's premium image generation model offering higher fidelity output and stronger performance on single-image editing benchmarks compared to the standard Grok Imagine model