Gemini 4 Argon 48.6/100Rank 19/47

STEALTHMARK · HEAD TO HEAD
All comparisons ↗Gemini 4 Argon leads Muse Spark 1.3 by 27.6 points on StealthMark, 67.4 to 39.8. It leads on 8 of 9 benchmarks, including Latch, and Muse Spark 1.3 on 1, including Foresight. Gemini 4 Argon 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
Gemini 4 Argon scores higher on StealthMark. Muse Spark 1.3 is 2.4× cheaper per output token and runs 2.2× faster in our speed test. Both take about 1M tokens of context.
Full datasheets, every price and sourceGemini 4 Argon ↗Muse Spark 1.3 ↗
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 ↗


Gemini 4 Argon
The central sphere, separate airborne black blob, flattened cyan contact and displaced crimson aftermath support the principal camera and physical-state requirements. Open lateral lanes and initial reflection placements provide partial optical structure, but missing outer chains, sparse nested imagery and incomplete emitter mappings remain substantial limitations. The raised crimson mass also weakens paint-scale fidelity.
Muse Spark 1.3
The paint state is incorrectly and poorly drawn, despite a recognizable sphere-and-paint setup. The oversized sphere, oversized compact paint bodies, and blurred wall and floor images further limit the result. Isolated reflection cues provide very little support for the required repeated virtual rooms, nested spherical imagery or emitter mapping.
| Category | Gemini 4 Argon | Muse Spark 1.3 |
|---|---|---|
| State at 600 ms | 24.5/25 | 6.0/25 |
| Camera and placement | 14.5/15 | 8.5/15 |
| Reflections | 50.5/120 | 5.5/120 |
| Materials and scale | 8.5/10 | 4.0/10 |
| 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.


Gemini 4 Argon
An appealing, controlled illustration with a distinctive buoyant silhouette, expressive comic face and rich luminous colour. The full composition and grounded slipper read clearly. The principal limitation is the crowded raised-foot interaction: paws, toes and lining overlap without making the bent leg or tight fit unmistakable.
Muse Spark 1.3
The luminous creature and geometric mirror counterpart communicate self-recognition through a coherent palette and expressive eyes. The transformed reflection is purposeful. Simple oval anatomy, ambiguous reaching-arm construction, shallow spatial staging and limited illumination of nearby surfaces keep the illustration below exceptional execution.
| Category | Gemini 4 Argon | Muse Spark 1.3 |
|---|---|---|
| Task & likeness | 7.0/10 | 8.0/10 |
| Anatomy & construction | 6.5/10 | 5.0/10 |
| Space & placement | 7.5/10 | 6.5/10 |
| Light & reflections | 7.5/10 | 7.0/10 |
| Purposeful detail | 8.0/10 | 6.5/10 |
| Artistry & character | 7.0/10 | 5.5/10 |
| Materials & effects | 7.0/10 | 6.5/10 |
| Visual integrity | 7.5/10 | 7.5/10 |
Gemini 4 Argon
A luminous little dragon struggles with its bedtime slippers while a buoyant tail pulls it upward. The scene tests expressive anatomy, physical contact and the contrast between translucent forms and heavy objects.
Muse Spark 1.3
An imagined creature encounters its reflection. The scene tests original character design, visual self-interpretation and the relationship between a subject and its reflected image.
Precise visual recall and portrait reconstruction.


Gemini 4 Argon
A coherent, moderately complex Mona Lisa reconstruction with substantial portrait volume, articulated clothing and landscape recession. Specific source features support replication beyond recognition alone. Altered facial likeness, uncertain crossed-hand anatomy and pervasive colored crackle keep the result uneven despite its developed shading and detail.
Muse Spark 1.3
Dark hair, a restrained smile and overlapping hands suggest Mona Lisa, but replication is weak. The face is markedly elongated, the hands are oval pads with faint finger strokes, and the atmospheric landscape is absent. Soft gradients provide basic volume, while the frontal symmetry, shallow space and sparse clothing detail limit the portrait’s drawing quality.
| Category | Gemini 4 Argon | Muse Spark 1.3 |
|---|---|---|
| Task & likeness | 6.5/10 | 1.0/10 |
| Anatomy & construction | 6.5/10 | 1.5/10 |
| Space & placement | 6.5/10 | 1.5/10 |
| Light & reflections | 7.0/10 | 1.5/10 |
| Purposeful detail | 6.0/10 | 1.0/10 |
| Artistry & character | 6.5/10 | 1.5/10 |
| Materials & effects | 7.0/10 | 1.5/10 |
| Visual integrity | 7.0/10 | 3.0/10 |
An SVG interpretation of the Mona Lisa tests facial likeness, anatomy and the composition of a familiar portrait.
Creativity, perspective and visual beauty.


Gemini 4 Argon
A strong decorative beach illustration with controlled color, intricate silhouettes and abundant playful detail. Connected dolphin forms and recognizable equipment support its construction, while the aligned sunset reflection anchors the scene. Compressed wave depth, ambiguous foreground support and uneven reflection specificity limit physical coherence. The saved comparisons support retaining the category assessments.
Muse Spark 1.3
The warm sunset, framing palms and colorful beach accessories create an appealing scene with the requested animals, birds and reflections. Construction remains schematic: the raised hand misses the kite string, and a doglike silhouette hangs above the water without clear support. The sun reflection establishes a focal path, but shadows and materials lack depth. An unexplained horizontal bar crosses the sun.
| Category | Gemini 4 Argon | Muse Spark 1.3 |
|---|---|---|
| Task & likeness | 9.0/10 | 6.5/10 |
| Anatomy & construction | 7.5/10 | 3.0/10 |
| Space & placement | 8.5/10 | 5.5/10 |
| Light & reflections | 8.5/10 | 6.5/10 |
| Purposeful detail | 9.0/10 | 5.0/10 |
| Artistry & character | 8.0/10 | 3.5/10 |
| Materials & effects | 8.0/10 | 3.0/10 |
| Visual integrity | 8.0/10 | 3.5/10 |
A busy shoreline at sunset tests scene composition, animal forms and the relationship between light and water reflections.
Physical reasoning, light and visual reconstruction.


Gemini 4 Argon
This benchmark has not been assessed yet.
Muse Spark 1.3
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.


Gemini 4 Argon
An accomplished illustration with expressive characters, intricate spray and strong depth. Direct back seating, steering connections and hull-water contact are only partly demonstrated. Clean graphic execution and purposeful detail remain strengths, while shadows and reflections provide limited physical grounding.
Muse Spark 1.3
The raccoon clearly rides on the dog's back, and the dog's paws reach the jet ski controls. Expressive faces and bright colors make the scene appealing. Simplified joints, crowded steering geometry and shallow hull perspective limit construction. The sun has no corresponding water reflection, and the splash shapes convey speed more clearly than convincing displacement.
| Category | Gemini 4 Argon | Muse Spark 1.3 |
|---|---|---|
| Task & likeness | 8.5/10 | 8.5/10 |
| Anatomy & construction | 8.0/10 | 6.5/10 |
| Space & placement | 7.5/10 | 7.0/10 |
| Light & reflections | 7.5/10 | 5.0/10 |
| Purposeful detail | 8.5/10 | 6.5/10 |
| Artistry & character | 8.5/10 | 5.5/10 |
| Materials & effects | 8.0/10 | 6.0/10 |
| Visual integrity | 8.0/10 | 7.5/10 |
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.


Gemini 4 Argon
An expressive, detailed illustration with controlled gradients and coherent environmental depth. Continuous body contours and connected bicycle components establish competent construction. Steering grip and pedal engagement remain less explicit than the decorative details and wheel placement. These contact uncertainties limit action and placement credit without establishing broken anatomy.
Muse Spark 1.3
The pelican and bicycle are immediately recognizable, with an expressive face, bold bill and cheerful composition. Both legs connect to the body and reach pedal-like supports, but articulation, saddle support and wing contact with the handlebar remain unclear. Wheel alignment and layering are coherent. Simple landscape shapes, generic shadows and limited material variation constrain the finish.
| Category | Gemini 4 Argon | Muse Spark 1.3 |
|---|---|---|
| Task & likeness | 9.0/10 | 8.5/10 |
| Anatomy & construction | 8.5/10 | 6.0/10 |
| Space & placement | 8.0/10 | 7.0/10 |
| Light & reflections | 8.0/10 | 6.0/10 |
| Purposeful detail | 8.5/10 | 7.0/10 |
| Artistry & character | 8.5/10 | 5.5/10 |
| Materials & effects | 8.5/10 | 6.5/10 |
| Visual integrity | 8.5/10 | 7.0/10 |
A cycling pelican tests anatomy, riding posture and contact between the bird and the bicycle.