Gemini 4 Argon 48.6/100Rank 19/47

STEALTHMARK · HEAD TO HEAD
All comparisons ↗Gemini 4 Argon leads Nemotron 3 Ultra by 50.7 points on StealthMark, 67.4 to 16.7. It leads on all 9 benchmarks. 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. Nemotron 3 Ultra is 4.2× cheaper per output token. Both take about 1M tokens of context.
Full datasheets, every price and sourceGemini 4 Argon ↗Nemotron 3 Ultra ↗
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.
Nemotron 3 Ultra
The candidate establishes a separate airborne black blob and partial crimson overlap, but leaves the paint interaction history and settled support unresolved. Its main silhouette, black placement and lamp projection depart substantially from the required camera geometry. A few faint reflection hints provide little support for the extensive mirror system, while the compact paint volumes are visibly disproportionate.
| Category | Gemini 4 Argon | Nemotron 3 Ultra |
|---|---|---|
| State at 600 ms | 24.5/25 | 2.0/25 |
| Camera and placement | 14.5/15 | 3.5/15 |
| Reflections | 50.5/120 | 4.5/120 |
| Materials and scale | 8.5/10 | 3.0/10 |
| 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.
Nemotron 3 Ultra
An endearing mechanical creature is clearly framed, with expressive amber eyes and readable segmented arms. The shell resembles layered green plates more than a deep coiled spiral. Detached-looking construction, absent working contacts and patchy rendering leave the central assembly action substantially unresolved.
| Category | Gemini 4 Argon | Nemotron 3 Ultra |
|---|---|---|
| Task & likeness | 7.0/10 | 4.0/10 |
| Anatomy & construction | 6.5/10 | 4.0/10 |
| Space & placement | 7.5/10 | 5.5/10 |
| Light & reflections | 7.5/10 | 5.0/10 |
| Purposeful detail | 8.0/10 | 4.0/10 |
| Artistry & character | 7.0/10 | 3.0/10 |
| Materials & effects | 7.0/10 | 4.0/10 |
| Visual integrity | 7.5/10 | 4.5/10 |
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.
Nemotron 3 Ultra
A hovering mechanical nautilus tests spiral construction, connected mechanical forms and contrasting metal and illuminated surfaces.
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.
Nemotron 3 Ultra
The centered silhouette provides basic organization, but multicolored mottling and geometric overlays leave the portrait unresolved. No readable face, crossed hands, clothing or landscape establishes Mona Lisa replication. Texture and transparency offer limited visual effects without coherent anatomy, lighting or material distinctions.
| Category | Gemini 4 Argon | Nemotron 3 Ultra |
|---|---|---|
| Task & likeness | 6.5/10 | 0.5/10 |
| Anatomy & construction | 6.5/10 | 0.0/10 |
| Space & placement | 6.5/10 | 1.0/10 |
| Light & reflections | 7.0/10 | 0.5/10 |
| Purposeful detail | 6.0/10 | 0.5/10 |
| Artistry & character | 6.5/10 | 1.5/10 |
| Materials & effects | 7.0/10 | 0.0/10 |
| Visual integrity | 7.0/10 | 0.5/10 |
An SVG interpretation of the Mona Lisa tests facial likeness, anatomy and the composition of a familiar portrait.
Creativity, perspective and visual beauty.


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.
Nemotron 3 Ultra
A recognizable beach illustration with appealing warm-cool contrast, readable layers and mostly clean shapes. Unresolved seat construction, schematic animals and broad geometric foliage give it an elementary finish. Weakly coordinated reflections and limited material differentiation further constrain depth and atmosphere.
| Category | Gemini 4 Argon | Nemotron 3 Ultra |
|---|---|---|
| Task & likeness | 9.0/10 | 6.5/10 |
| Anatomy & construction | 7.5/10 | 3.0/10 |
| Space & placement | 8.5/10 | 5.0/10 |
| Light & reflections | 8.5/10 | 1.5/10 |
| Purposeful detail | 9.0/10 | 4.5/10 |
| Artistry & character | 8.0/10 | 3.0/10 |
| Materials & effects | 8.0/10 | 2.5/10 |
| Visual integrity | 8.0/10 | 6.5/10 |
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.
Nemotron 3 Ultra
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.
Nemotron 3 Ultra
The masked raccoon, dog and orange craft make the scene recognizable, with an appealing sunset palette. Overlapping bodies obscure the riding relationship, and the dog's connection to the controls remains unresolved. Weak water displacement, inconsistent shading and visible shape artifacts limit the finish. Ambiguous attachments do not establish detached limbs or inverted anatomy.
| Category | Gemini 4 Argon | Nemotron 3 Ultra |
|---|---|---|
| Task & likeness | 8.5/10 | 3.5/10 |
| Anatomy & construction | 8.0/10 | 1.5/10 |
| Space & placement | 7.5/10 | 4.5/10 |
| Light & reflections | 7.5/10 | 2.0/10 |
| Purposeful detail | 8.5/10 | 3.5/10 |
| Artistry & character | 8.5/10 | 1.5/10 |
| Materials & effects | 8.0/10 | 3.0/10 |
| Visual integrity | 8.0/10 | 2.0/10 |
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.


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.
Nemotron 3 Ultra
A recognizable, playful pelican dominates a readable bicycle scene. Its bill and silhouette succeed, but feet below the pedals and confused drivetrain connections weaken the riding action. Local material modeling adds interest; overlapping contours, repetitive detail and inconsistent shadows leave the illustration basic and uneven.
| Category | Gemini 4 Argon | Nemotron 3 Ultra |
|---|---|---|
| Task & likeness | 9.0/10 | 4.0/10 |
| Anatomy & construction | 8.5/10 | 3.5/10 |
| Space & placement | 8.0/10 | 3.5/10 |
| Light & reflections | 8.0/10 | 4.0/10 |
| Purposeful detail | 8.5/10 | 5.5/10 |
| Artistry & character | 8.5/10 | 4.0/10 |
| Materials & effects | 8.5/10 | 6.0/10 |
| Visual integrity | 8.5/10 | 3.0/10 |
A cycling pelican tests anatomy, riding posture and contact between the bird and the bicycle.