Black Forest Labs' distilled 9 billion parameter image generation model with sub-second inference and multi-reference support
Settled by community votes across 4 shared challenges, with an AI judge weighing in on each.
FLUX.2 [klein] 9B
21.3
arena score
#7 of 23 in Image Editing
Skill signature
Not enough comparable category data
The chart appears once both models have ratings across at least three shared arena categories.
Seedream 5.0 Lite
23.8
arena score
#21 of 44 in Text-to-Image
Vote tally
Where the votes landed
FLUX.2 [klein] 9B
50.0%
win rate
Ties
25.0%
Seedream 5.0 Lite
25.0%
win rate
50.0%
25.0% ties
25.0%
Shared challenges
4
Challenge by challenge
The strongest take from each model on every shared challenge, with the AI judge's read.
Magic Burger Explosion: Fiery Photorealism Challenge
Text-to-Image“Ad for 'Magic Burger'. Dynamic, exploded burger with all components (bun, patty, cheese, lettuce, tomato, sauce) suspended in mid-air. Emphasize photorealistic detail and a sense of motion. Dark, fiery background with glowing embers. Integrate text: 'MAGIC BURGER' as a prominent title, 'LIMITED TIME ONLY' as a secondary message, and '€6.99' in a starburst, all rendered with a fiery, glowing effect.”
FLUX.2 [klein] 9B
Seedream 5.0 Lite
50% wins
50% ties
0% wins
AI Judge Analysis
FLUX.2 [klein] 9B
- + Excellent typography with a realistic fiery texture and 3D effect.
- + Highly appetizing and photorealistic rendering of burger ingredients.
- + Dynamic sense of motion with embers and sauce splatters that feel integrated.
- − The 'exploded' effect is less literal; the burger still feels largely stacked rather than individual components floating freely.
Seedream 5.0 Lite
- + Successfully captures the 'exploded' view with clear separation between every layer of the burger.
- + Clean, neon-style glowing text that is legible and fits the prompt's fiery theme.
- + Good use of vertical space in the composition.
- − The textures look slightly more digital and less photorealistic than Image A.
- − The starburst for the price is a simple outline and lacks the punchy, commercial polish of its competitor.
Verdict: While Seedream 5.0 Lite followed the 'exploded' instruction more literally by separating each ingredient clearly, FLUX.2 [klein] 9B produced a much more professional and appetizing advertisement. FLUX.2's superior text rendering, realistic food textures, and better-integrated fiery effects make it the more effective image for a brand ad.
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.2 [klein] 9B
Seedream 5.0 Lite
100% wins
0% ties
0% wins
AI Judge Analysis
FLUX.2 [klein] 9B
- + Excellent typography with perfect spelling in the main menu items.
- + Realistic chalk texture including believable smudges and dust on the board.
- + Beautiful cursive handwriting that matches the requested style.
- − One minor spelling error in the footer text ('fress' instead of 'fresh').
Seedream 5.0 Lite
- + Natural variation in handwriting styles across the board.
- + Good chalk-on-green-slate aesthetic.
- − Multiple spelling errors in the menu items ('Heriss', 'Beliter', 'frese', 'optoons').
- − The handwriting is less 'elegant cursive' for the title than requested.
- − A bit of a perspective warp on the board edges.
Verdict: FLUX.2 [klein] 9B is the clear winner due to its superior text rendering and adherence to the prompt's stylistic requirements. While Seedream 5.0 Lite produces a believable café atmosphere, it suffers from several spelling errors and fails to deliver the requested elegant cursive for the header.
Pose & Character Mashup
EditingEdit instruction
“Use Image 1 as the exact pose reference and Image 2 as the character reference. Recreate the person/character from Image 2 in the exact dynamic pose and body position from Image 1. Keep the exact face, hair, clothing style/details, and expression from Image 2. Match the lighting and environment of Image 1. The final image must show the character from Image 2 performing the precise action/pose from Image 1 with perfect anatomy and natural integration.”
Source
FLUX.2 [klein] 9B
Seedream 5.0 Lite
0% wins
0% ties
100% wins
AI Judge Analysis
FLUX.2 [klein] 9B
- + Excellent adherence to the complex dynamic pose from Image 1.
- + High character consistency, successfully translating the face, hair, and clothing of the man in Image 2.
- + Superior rendering of the hands and overall anatomy in this difficult position.
- − One lens of the sunglasses is missing or blended poorly into the face.
Seedream 5.0 Lite
- + Successfully replicates the environment, background, and lighting of the first source image.
- + Includes specific clothing details like the scarf and black sweatshirt.
- − Anatomy is severely broken, specifically where the legs connect to the torso.
- − The pose is less accurate to the reference, particularly the angle of the head and the extension of the bottom arm.
Verdict: FLUX.2 [klein] 9B is the clear winner as it successfully replicates a very difficult physical pose with believable anatomy, whereas Seedream 5.0 Lite produces a logically impossible body structure. FLUX.2 [klein] 9B also maintains better character consistency, making the man from Image 2 look natural in the new environment.
Outfit Transfer Challenge
EditingEdit instruction
“Use Image 1 as the base person. Dress them in the exact elaborate outfit from Image 2 (including all layers, accessories, jewelry, and shoes). Carefully adapt the clothing to the body shape and pose in Image 1 while maintaining realistic fabric behavior, correct proportions, and perfect lighting/shadow matching. Keep the person’s exact face, hair, and background completely unchanged.”
Source
FLUX.2 [klein] 9B
Seedream 5.0 Lite
AI Judge Analysis
FLUX.2 [klein] 9B
- + Excellent preservation of the subject's original facial features and expression.
- + Successfully identifies and replicates the detailed pattern of the scarf and the structure of the pea coat.
- + Great integration of the hand in the pocket, matching the pose and background.
- − Introduces heavy gold bead necklaces that were not present in either source image.
- − Fails to include the sunglasses from the reference outfit.
Seedream 5.0 Lite
- + Successfully includes the sunglasses and gold watch/ring accessories from Image 2.
- + High fidelity to the texture and pattern of the coat and scarf.
- + Maintains the subject's skin details and the sandy texture on the face.
- − Significantly alters the subject's face shape and features, making him look like a different person.
- − The sunglasses are poorly integrated, appearing to float on the face or clipping into the nose bridge.
Verdict: FLUX.2 [klein] 9B followed the instruction to keep the person's face completely unchanged much better than Seedream 5.0 Lite, which drastically changed the subject's facial appearance. Although Seedream 5.0 Lite captured more accessories like the sunglasses, FLUX.2 [klein] 9B is the superior edit because it preserved the identity of the base person while convincingly applying the complex clothing layers.
Next steps
Explore each model
ByteDance's image generation model with built-in reasoning, example-based editing, and deep domain knowledge, supporting up to 3K resolution