Black Forest Labs' open-weights multimodal flow transformer for in-context image generation and editing, available for non-commercial use with character consistency and style transfer capabilities
Settled by community votes across 1 shared challenge, with an AI judge weighing in on each.
FLUX.1 Kontext [dev]
13.5
arena score
#43 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.
FLUX.2 [klein] 9B
21.3
arena score
#7 of 23 in Image Editing
Vote tally
Where the votes landed
FLUX.1 Kontext [dev]
0.0%
win rate
Ties
0.0%
FLUX.2 [klein] 9B
100.0%
win rate
0.0%
0.0% ties
100.0%
Shared challenges
1
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.1 Kontext [dev]
FLUX.2 [klein] 9B
0% wins
0% ties
100% wins
AI Judge Analysis
FLUX.1 Kontext [dev]
- + Excellent text legibility and font styling
- + Accurate price currency symbol integration
- − Failed the 'exploded burger' requirement, showing whole burgers instead
- − Composition feels static rather than dynamic despite the fire elements
FLUX.2 [klein] 9B
- + Perfectly executed the 'exploded' burger concept with separated layers
- + Superior dynamic motion and sense of energy with sparks and embers
- + High quality text effects that better match the 'fiery' prompt description
- − None notable, though the starburst overlaps the bottom bun slightly
Verdict: FLUX.2 [klein] 9B is the clear winner as it followed the 'exploded burger' instruction perfectly, showing the internal layers suspended in air. FLUX.1 Kontext [dev] produced a high-quality ad but failed to deconstruct the burger, instead displaying several whole burgers and some bread rolls. FLUX.2 also provided a much more dynamic and exciting atmosphere that better suits an advertisement for 'Magic Burger'.
Next steps
Explore each model
Black Forest Labs' distilled 9 billion parameter image generation model with sub-second inference and multi-reference support