GPT-6 Sol 30.4/100Rank 29/47

STEALTHMARK · HEAD TO HEAD
All comparisons ↗GPT-6 Sol leads MiniMax M3.1 Flash by 5.8 points on StealthMark, 51.7 to 45.9. MiniMax M3.1 Flash leads on 5 of 9 benchmarks, including Foresight, and GPT-6 Sol on 4, including Latch. MiniMax M3.1 Flash scores higher on Newton's Mirror, with its largest category advantage in reflections.
See the difference ↘On every task, result quality and reasoning tokens are each compared with all measured models and weighed equally. Each dot is one model.
BENCHMARK BY BENCHMARK
DATASHEET
Both take about 1.05M tokens of context.
Full datasheets, every price and sourceGPT-6 Sol ↗MiniMax M3.1 Flash ↗
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 ↗


GPT-6 Sol
The centered sphere, separate airborne black form and color ordering support scene recognition. Rounded shading and curved rims provide readable volume and gloss. Shrinking side images, a floor counterpart and curved lamp highlights provide isolated reflection cues, but broad bands and sparse repetitions leave nested room imagery, outer chains and ordered emitter mapping unsupported. Vertical framing departs from the prescribed view, while paint contact, transport and solid-metal appearance remain weak or uncertain.
MiniMax M3.1 Flash
The sphere placement, separate airborne black blob, recent cyan contact and elongated crimson aftermath support the required gross physical state. The reflection system remains severely incomplete: isolated side images, broad metallic bands and sparse light patches replace extensive mirror repetitions and curved nested imagery.
| Category | GPT-6 Sol | MiniMax M3.1 Flash |
|---|---|---|
| State at 600 ms | 19.0/25 | 20.0/25 |
| Camera and placement | 12.0/15 | 10.0/15 |
| Reflections | 8.0/120 | 24.0/120 |
| Materials and scale | 6.5/10 | 8.0/10 |
| 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.


GPT-6 Sol
Six evenly spaced lobes, small outward-facing heads and a regular hexagonal opening make the motif immediately readable. The central angular band merges several intersections, weakening the alternating weave. Pale shading gives modest volume, but scales are sparse and repetitive, crossing shadows are weak, and the heads have limited anatomical definition.
MiniMax M3.1 Flash
The sculptural M, confident grin and miniature theatrical pose closely fulfill the brief. Controlled gradients and clean shapes give the character volume and appeal. Moderate drawing complexity, an apparently separated shoe and ambiguous grounding limit the finish.
| Category | GPT-6 Sol | MiniMax M3.1 Flash |
|---|---|---|
| Task & likeness | 7.5/10 | 7.5/10 |
| Anatomy & construction | 6.5/10 | 6.0/10 |
| Space & placement | 6.5/10 | 7.0/10 |
| Light & reflections | 6.0/10 | 6.0/10 |
| Purposeful detail | 6.5/10 | 5.0/10 |
| Artistry & character | 7.0/10 | 6.0/10 |
| Materials & effects | 5.5/10 | 7.0/10 |
| Visual integrity | 6.0/10 | 6.0/10 |
GPT-6 Sol
A pale serpent woven into an interlocking knot tests connected anatomy, repeated structure and readable overlaps. Organic surface detail must work with the overall geometry.
MiniMax M3.1 Flash
A small robot with an oversized angular head presents a glowing object. The scene tests character proportions, gesture and contrasting materials.
Precise visual recall and portrait reconstruction.


GPT-6 Sol
The dark clothing, crossed arms, restrained smile and distant landscape establish the Mona Lisa reference. Replication is limited by the oversized, nearly frontal head, schematic eyes and fingerless hand shapes. Soft shading suggests facial volume, but muddy transitions and angular scenery weaken depth and painterly finish.
MiniMax M3.1 Flash
A coherent decorative portrait combines layered hair, garment contours, linked trim and atmospheric scenery. These provide meaningful drawing complexity, but likeness remains limited by the frontal elongated face and altered clothing. Compressed hands, abrupt facial shading and cluttered local edges leave the portrait uneven.
| Category | GPT-6 Sol | MiniMax M3.1 Flash |
|---|---|---|
| Task & likeness | 5.5/10 | 4.0/10 |
| Anatomy & construction | 3.5/10 | 4.5/10 |
| Space & placement | 5.5/10 | 5.5/10 |
| Light & reflections | 6.0/10 | 4.5/10 |
| Purposeful detail | 4.5/10 | 5.5/10 |
| Artistry & character | 5.0/10 | 6.0/10 |
| Materials & effects | 4.5/10 | 5.5/10 |
| Visual integrity | 6.0/10 | 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.


GPT-6 Sol
A cohesive, appealing beach illustration with framing palms, a warm sunset and a clear reflection path. The turtle, crab, birds and beach ball fulfill the playful brief. Clean silhouettes and restrained colors work well, while simplified anatomy, shallow spatial cues and inconsistent foreground shadows limit depth and finish.
MiniMax M3.1 Flash
A controlled, detailed beach illustration with expressive animals, coherent depth and accomplished foliage and accessory drawing. Its warm palette and varied contours sustain visual interest. Simplified anatomy and object volumes limit physical conviction, while reflection streaks crossing dry-looking sand and generic shadows weaken the lighting.
| Category | GPT-6 Sol | MiniMax M3.1 Flash |
|---|---|---|
| Task & likeness | 8.5/10 | 8.5/10 |
| Anatomy & construction | 7.0/10 | 7.0/10 |
| Space & placement | 7.0/10 | 7.5/10 |
| Light & reflections | 6.5/10 | 6.0/10 |
| Purposeful detail | 7.0/10 | 8.0/10 |
| Artistry & character | 6.0/10 | 6.5/10 |
| Materials & effects | 6.5/10 | 6.5/10 |
| Visual integrity | 7.5/10 | 7.5/10 |
A busy shoreline at sunset tests scene composition, animal forms and the relationship between light and water reflections.
Physical reasoning, light and visual reconstruction.


GPT-6 Sol
This benchmark has not been assessed yet.
MiniMax M3.1 Flash
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.


GPT-6 Sol
The raccoon rides the dog's back, and the dog's connected foreleg reaches the steering grip. Expressive faces, a cohesive palette and sweeping wake make an appealing illustration. Vehicle construction and seating remain simplified; broad splash ribbons convey speed more convincingly than physical displacement. The sun has little corresponding reflection or effect on the subjects.
MiniMax M3.1 Flash
An expressive, coherent cartoon clearly demonstrates the requested riding and steering relationship. Layered animal shapes, readable vehicle depth and purposeful facial details support its drawing quality. Ambiguous grips, sparse cast shadows and simplified material responses limit physical precision.
| Category | GPT-6 Sol | MiniMax M3.1 Flash |
|---|---|---|
| Task & likeness | 7.5/10 | 9.0/10 |
| Anatomy & construction | 6.5/10 | 8.0/10 |
| Space & placement | 7.5/10 | 8.0/10 |
| Light & reflections | 6.0/10 | 6.0/10 |
| Purposeful detail | 7.5/10 | 7.5/10 |
| Artistry & character | 6.5/10 | 7.5/10 |
| Materials & effects | 7.5/10 | 7.0/10 |
| Visual integrity | 8.0/10 | 8.0/10 |
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.


GPT-6 Sol
The pelican reads clearly, with an expressive face, generous bill and appealing pastel composition. Spokes, basket weave and feather contours are carefully organized. Both legs connect to the body, though joint definition and pedal contacts are simplified. Consistent wheel placement and a ground shadow establish support; restrained shading gives limited volume.
MiniMax M3.1 Flash
A controlled coastal illustration with a clear pelican silhouette, detailed wheels and accomplished feather and bill drawing. Continuous body construction and grounded wheels support the scene. Ambiguous leg, pedal and steering contacts weaken the riding mechanics; approximate directional lighting and simplified materials limit physical conviction.
| Category | GPT-6 Sol | MiniMax M3.1 Flash |
|---|---|---|
| Task & likeness | 9.0/10 | 8.5/10 |
| Anatomy & construction | 7.5/10 | 6.5/10 |
| Space & placement | 8.0/10 | 8.0/10 |
| Light & reflections | 7.0/10 | 7.0/10 |
| Purposeful detail | 8.0/10 | 7.5/10 |
| Artistry & character | 8.5/10 | 6.5/10 |
| Materials & effects | 7.0/10 | 7.0/10 |
| Visual integrity | 8.5/10 | 6.5/10 |
A cycling pelican tests anatomy, riding posture and contact between the bird and the bicycle.