Qwen3.8-Max-0902 72.4/100Rank 5/54

STEALTHMARK · HEAD TO HEAD
All comparisons ↗Qwen3.8-Max-0902 leads Qwen4-Max-Preview by 3.6 points on StealthMark, 62.4 to 58.8. Qwen4-Max-Preview leads on 6 of 9 benchmarks and Qwen3.8-Max-0902 on 3, including both games. Qwen4-Max-Preview scores higher on Newton's Mirror, with its largest category advantage in reflections.
See the difference ↘How many reasoning tokens a model needs for the quality it delivers.
How much Performance you get for your money.
BENCHMARK BY BENCHMARK
DATASHEET
Qwen3.8-Max-0902 scores higher on StealthMark and runs 15% faster in our speed test.
Full datasheets, every price and sourceQwen3.8-Max-0902 ↗
Anticipating threats and planning ahead. Collect coins while avoiding ghosts. Ghosts move before the player each turn, and collisions cost a life. 3 levels in sequence, up to 66 turns in total. Earlier moves and outcomes carry forward, testing learning across levels.


Cooperative planning and learning from experience. Coordinate two robots to push numbered cores onto matching sockets. Pressure plates hold doors open; moving either robot uses one turn. 5 levels in sequence, up to 152 turns in total. Earlier moves and outcomes carry forward, testing learning across levels.


Physics, perspective and recursive reflections, tested together. Explore the test ↗


Qwen3.8-Max-0902
The central sphere and differentiated cyan/crimson interaction are supported. The tiny highlighted object above the sphere provides partial airborne-black evidence. The few isolated sphere and panel images preserve limited optical relationships, but most of the repeating mirror-room structure is missing. Core score: 64.5/170; including the floor-damage reward: 64.5/180.
Qwen4-Max-Preview
The main placement, compact airborne black and contrasting cyan/crimson interaction states are largely supported. Recognizable first mirror images earn substantial local credit despite modest silhouette and overlap errors. Most of the defining mirror system remains missing, especially nested spherical imagery, outer chains and repeated emitter mapping. Crimson also extends slightly too far down the facing surface.
| Category | Qwen3.8-Max-0902 | Qwen4-Max-Preview |
|---|---|---|
| State at 600 ms | 23.0/25 | 24.5/25 |
| Camera and placement | 12.0/15 | 14.0/15 |
| Reflections | 29.0/120 | 39.0/120 |
| Materials and scale | 8.0/10 | 6.5/10 |
| Floor-damage reward | 0.0/10 | 0.0/10 |
A spinning metal sphere and paint in a mirrored room test physical reasoning, perspective and consistency across repeated reflections.
Visual construction and creative interpretation.


Qwen3.8-Max-0902
A coherent ornamental illustration with balanced framing, appealing color and legible magical accessories. The disconnected raised wrist, incorrect raised-arm side and palm orientation, bear-like facial proportions and shallow material modeling limit execution. Clean decoration and compact spatial balance remain strengths.
Qwen4-Max-Preview
A coherent celestial character with readable costume layers, controlled ornament and coordinated luminous accents. Simplified joints, shallow frontal space and limited material modeling constrain construction and drawing complexity. The raised palm's orientation remains only partially demonstrated.
| Category | Qwen3.8-Max-0902 | Qwen4-Max-Preview |
|---|---|---|
| Task & likeness | 7.5/10 | 8.5/10 |
| Anatomy & construction | 6.5/10 | 7.5/10 |
| Space & placement | 8.0/10 | 7.5/10 |
| Light & reflections | 7.0/10 | 7.0/10 |
| Purposeful detail | 7.5/10 | 8.0/10 |
| Artistry & character | 7.0/10 | 7.5/10 |
| Materials & effects | 7.5/10 | 6.5/10 |
| Visual integrity | 5.5/10 | 7.5/10 |
A floating capybara in ornate robes tests character anatomy, layered fabric and the placement of surrounding luminous forms.
Precise visual recall and portrait reconstruction.


Qwen3.8-Max-0902
A recognizable, cohesive Mona Lisa interpretation with readable landscape layers and a restrained expression. Continuous body construction and clean contours support readability, but broad hands, simplified drapery, frontal symmetry and limited facial volume keep the execution basic and uneven.
Qwen4-Max-Preview
A coherent, recognizable interpretation with developed facial shading and purposeful portrait details. The frontal, nearly symmetric body, inflated sleeves and unresolved hand articulation substantially limit replication and construction. Layered scenery supplies basic depth, while uniformly smooth surfaces and schematic folds constrain material character and drawing complexity.
| Category | Qwen3.8-Max-0902 | Qwen4-Max-Preview |
|---|---|---|
| Task & likeness | 4.5/10 | 4.5/10 |
| Anatomy & construction | 3.5/10 | 5.5/10 |
| Space & placement | 5.0/10 | 5.0/10 |
| Light & reflections | 5.0/10 | 6.5/10 |
| Purposeful detail | 5.0/10 | 6.0/10 |
| Artistry & character | 5.0/10 | 5.5/10 |
| Materials & effects | 3.5/10 | 5.0/10 |
| Visual integrity | 5.0/10 | 5.5/10 |
An SVG interpretation of the Mona Lisa tests facial likeness, anatomy and the composition of a familiar portrait.
Creativity, perspective and visual beauty.


Qwen3.8-Max-0902
A strong stylized beach illustration with coherent sunset color, lively dolphin arcs and balanced activity. Clean contours, readable ground contact and an aligned reflection support the finish. Schematic anatomy, sparse small-subject features, flat materials and repetitive water highlights limit physical depth and refinement.
Qwen4-Max-Preview
A coherent sunset illustration with sweeping palms, recognizable wildlife and varied, readable beach details. Atmospheric layering and controlled contours strengthen its character. Basic animal anatomy, overhead-looking foreground creatures and schematic cast shadows limit construction and physical depth.
| Category | Qwen3.8-Max-0902 | Qwen4-Max-Preview |
|---|---|---|
| Task & likeness | 8.5/10 | 8.5/10 |
| Anatomy & construction | 7.5/10 | 8.0/10 |
| Space & placement | 7.5/10 | 6.5/10 |
| Light & reflections | 8.0/10 | 7.5/10 |
| Purposeful detail | 7.0/10 | 8.0/10 |
| Artistry & character | 7.5/10 | 8.5/10 |
| Materials & effects | 6.5/10 | 6.5/10 |
| Visual integrity | 8.5/10 | 7.0/10 |
A busy shoreline at sunset tests scene composition, animal forms and the relationship between light and water reflections.
Physical reasoning, light and visual reconstruction.


Qwen3.8-Max-0902
This benchmark has not been assessed yet.
Qwen4-Max-Preview
This benchmark has not been assessed yet.
A plank, computer mouse and blueberry in a steel room test physical stability, spatial relationships, materials and lighting.
Scene composition and interacting subjects.


Qwen3.8-Max-0902
The riding arrangement and steering action are readable, supported by coherent visible attachments and useful character details. Clean shapes, strong color separation and clustered foam make the scene appealing and active. Stiff anatomy, crowded controls, limited directional lighting and simple surface treatments constrain sophistication.
Qwen4-Max-Preview
An expressive cartoon with purposeful accessory detail, readable steering and directional spray. The aligned sunset reflection adds physical coherence. Simplified joints and the frontal raccoon's uncertain seated support continue to limit anatomy, perspective and integrity.
| Category | Qwen3.8-Max-0902 | Qwen4-Max-Preview |
|---|---|---|
| Task & likeness | 8.0/10 | 8.0/10 |
| Anatomy & construction | 7.0/10 | 7.5/10 |
| Space & placement | 7.0/10 | 6.0/10 |
| Light & reflections | 6.5/10 | 6.5/10 |
| Purposeful detail | 7.0/10 | 8.0/10 |
| Artistry & character | 6.5/10 | 6.5/10 |
| Materials & effects | 6.0/10 | 7.0/10 |
| Visual integrity | 7.5/10 | 6.0/10 |
A jet-ski scene pairs a canine driver with a raccoon passenger. It tests the placement and contact of interacting subjects, along with vehicle construction.
Subject construction and spatial relationships.


Qwen3.8-Max-0902
An appealing graphic illustration with a recognizable pelican, readable bicycle and clean coastal composition. Steering contact and one connected pedal support the action. Ambiguous neck-to-torso construction, an unclear opposing pedal connection, shallow space and limited material and lighting effects constrain its execution.
Qwen4-Max-Preview
A detailed coastal illustration with readable seated support, steering and pedal contacts. Continuous anatomy, coherent bicycle construction and purposeful small features support its expressive composition. Simplified limb articulation, modest perspective depth and weakly directional ground shadows limit physical conviction.
| Category | Qwen3.8-Max-0902 | Qwen4-Max-Preview |
|---|---|---|
| Task & likeness | 8.5/10 | 8.5/10 |
| Anatomy & construction | 6.5/10 | 8.0/10 |
| Space & placement | 7.0/10 | 7.5/10 |
| Light & reflections | 6.0/10 | 6.5/10 |
| Purposeful detail | 7.5/10 | 8.0/10 |
| Artistry & character | 7.5/10 | 7.5/10 |
| Materials & effects | 6.0/10 | 7.0/10 |
| Visual integrity | 8.0/10 | 8.0/10 |
A cycling pelican tests anatomy, riding posture and contact between the bird and the bicycle.