GPT-6.1 Terra 62.0/100Rank 9/50

STEALTHMARK · HEAD TO HEAD
All comparisons ↗GPT-6.1 Terra leads Qwen3.6-35B-A3B by 39.6 points on StealthMark, 60.4 to 20.8. It leads on all 9 benchmarks. GPT-6.1 Terra 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
GPT-6.1 Terra scores higher on StealthMark. Qwen3.6-35B-A3B is 3.4× cheaper per output token. Both take about 1.05M tokens of context.
Full datasheets, every price and sourceGPT-6.1 Terra ↗Qwen3.6-35B-A3B ↗
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-6.1 Terra
The sphere, airborne black and first reflected silhouettes preserve important geometry within the portrait frame. Paint deformation, contact order and forward transport are supported, with a small crimson endpoint overshoot. Major optical omissions dominate: short finite reflection sequences and smooth bands replace extensive, spatially ordered mirror imagery. Dark gloss and crisp upper emitter shapes provide partial material credit.
Qwen3.6-35B-A3B
The artwork demonstrates rounded volume, recognizable paint colors and a compact black feature at an appropriate screen height. The enlarged main-sphere framing, unsupported crimson and cyan interaction histories, oversized compact paint balls and largely missing mirror structure remain substantial weaknesses. The core assessment is 20/170; with no demonstrated floor damage, the combined assessment remains 20/180.
| Category | GPT-6.1 Terra | Qwen3.6-35B-A3B |
|---|---|---|
| State at 600 ms | 23.0/25 | 2.5/25 |
| Camera and placement | 11.0/15 | 4.0/15 |
| Reflections | 33.0/120 | 3.5/120 |
| Materials and scale | 7.5/10 | 2.5/10 |
| 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.


GPT-6.1 Terra
A balanced serpent emblem with six attached outward heads, delicate scales and softly rounded bodies. Its compact silhouette reads clearly, but central routing does not establish every alternating crossing or crisp inward corner. Repetitive texture, limited facial anatomy and weak contact shadows constrain its organic character.
Qwen3.6-35B-A3B
An appealing fantasy illustration with coordinated ornament, readable suspension and luminous turquoise accents. Plausible limb attachments and soft shading support competent execution. Bear-like proportions, unclear paw gestures, insufficient white robe fabric, crowded chest details and shallow material modeling limit its finish.
| Category | GPT-6.1 Terra | Qwen3.6-35B-A3B |
|---|---|---|
| Task & likeness | 7.5/10 | 6.0/10 |
| Anatomy & construction | 6.5/10 | 6.0/10 |
| Space & placement | 6.5/10 | 6.5/10 |
| Light & reflections | 6.0/10 | 7.0/10 |
| Purposeful detail | 6.5/10 | 6.5/10 |
| Artistry & character | 6.5/10 | 6.0/10 |
| Materials & effects | 6.0/10 | 5.5/10 |
| Visual integrity | 6.0/10 | 7.5/10 |
GPT-6.1 Terra
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.
Qwen3.6-35B-A3B
A floating capybara in ornate robes tests character anatomy, layered fabric and the placement of surrounding luminous forms.
Precise visual recall and portrait reconstruction.


GPT-6.1 Terra
A recognizable interpretation with developed facial shading, shaped sleeve folds and purposeful small features. These strengths support modest upward calibration, while the frontal torso, elongated proportions, schematic finger joints and unresolved seated support keep replication and construction uneven.
Qwen3.6-35B-A3B
A recognizable but basic geometric interpretation. Muted colors and soft shading provide cohesion, while weak likeness, unresolved hands, rigid anatomy and shallow landscape construction substantially limit the replication.
| Category | GPT-6.1 Terra | Qwen3.6-35B-A3B |
|---|---|---|
| Task & likeness | 5.5/10 | 2.0/10 |
| Anatomy & construction | 6.5/10 | 1.0/10 |
| Space & placement | 4.5/10 | 2.0/10 |
| Light & reflections | 6.5/10 | 0.5/10 |
| Purposeful detail | 6.0/10 | 1.5/10 |
| Artistry & character | 6.0/10 | 1.5/10 |
| Materials & effects | 6.0/10 | 1.5/10 |
| Visual integrity | 6.5/10 | 2.0/10 |
An SVG interpretation of the Mona Lisa tests facial likeness, anatomy and the composition of a familiar portrait.
Creativity, perspective and visual beauty.


GPT-6.1 Terra
A coherent sunset illustration with clear prompt fulfillment, controlled framing and varied, purposeful small details. Simplified joints, frontal staging, flattened animal forms and weakly directional shadows limit its anatomical, spatial and physical sophistication.
Qwen3.6-35B-A3B
A recognizable beach sunset with balanced framing and appealing color transitions. Birds, boats and small animals fulfill the main scene requirements. Elementary anatomy, faint details, weak grounding and rigid reflection columns limit depth and finish.
| Category | GPT-6.1 Terra | Qwen3.6-35B-A3B |
|---|---|---|
| Task & likeness | 8.5/10 | 7.5/10 |
| Anatomy & construction | 7.5/10 | 4.5/10 |
| Space & placement | 6.5/10 | 5.5/10 |
| Light & reflections | 5.5/10 | 4.5/10 |
| Purposeful detail | 7.5/10 | 4.5/10 |
| Artistry & character | 7.0/10 | 4.5/10 |
| Materials & effects | 6.5/10 | 5.5/10 |
| Visual integrity | 7.5/10 | 5.0/10 |
A busy shoreline at sunset tests scene composition, animal forms and the relationship between light and water reflections.
Physical reasoning, light and visual reconstruction.


GPT-6.1 Terra
This benchmark has not been assessed yet.
Qwen3.6-35B-A3B
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-6.1 Terra
A coherent cartoon with expressive animals, readable steering and a clear wake. Fine facial and hull details reward inspection. The main limits are the boatlike craft, simplified joints, weakly braced frontal raccoon and minimal directional lighting or material depth.
Qwen3.6-35B-A3B
Clean shapes, cheerful faces and bright colors make the riding arrangement readable. The dog does not visibly operate the control, while awkward limbs, shallow hull placement and stiff poses limit credibility. Gradients and layered foam add modest volume and motion. The obscured tail attachment does not establish detachment.
| Category | GPT-6.1 Terra | Qwen3.6-35B-A3B |
|---|---|---|
| Task & likeness | 6.5/10 | 4.5/10 |
| Anatomy & construction | 5.5/10 | 3.5/10 |
| Space & placement | 6.0/10 | 5.5/10 |
| Light & reflections | 5.0/10 | 3.5/10 |
| Purposeful detail | 7.0/10 | 4.5/10 |
| Artistry & character | 6.0/10 | 4.0/10 |
| Materials & effects | 6.0/10 | 4.0/10 |
| Visual integrity | 7.0/10 | 3.5/10 |
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.


GPT-6.1 Terra
A coherent pelican cyclist with expressive proportions, purposeful feather detail and developed bicycle machinery. Continuous body contours, aligned wheels and readable pedal contacts support the scene. Simplified articulation, shallow modelling and an unresolved steering connection limit construction and placement.
Qwen3.6-35B-A3B
A cheerful, readable illustration with a distinctive pelican silhouette, clean contours and an orderly landscape. Soft glow and restrained shading provide modest atmosphere. Construction is weaker: the handlebar is disconnected, wings do not reach the controls, and overlapping legs leave pedaling ambiguous. Simple forms and mostly flat materials limit depth and drawing sophistication.
| Category | GPT-6.1 Terra | Qwen3.6-35B-A3B |
|---|---|---|
| Task & likeness | 7.0/10 | 7.0/10 |
| Anatomy & construction | 7.0/10 | 3.5/10 |
| Space & placement | 6.0/10 | 6.0/10 |
| Light & reflections | 5.5/10 | 5.5/10 |
| Purposeful detail | 7.0/10 | 7.0/10 |
| Artistry & character | 6.5/10 | 5.0/10 |
| Materials & effects | 5.5/10 | 5.5/10 |
| Visual integrity | 6.0/10 | 4.5/10 |
A cycling pelican tests anatomy, riding posture and contact between the bird and the bicycle.