STEALTHMARK · HEAD TO HEAD

All comparisons ↗

Glyph Cluster vs Iceman Contributor

Iceman Contributor leads Glyph Cluster by 0.3 points on StealthMark, 19.2 to 18.9. Glyph Cluster and Iceman Contributor each lead on 4 of 9 benchmarks, with 1 tied. Glyph Cluster leads Foresight. Glyph Cluster scores higher on Newton's Mirror, with its largest category advantage in state at 600 ms.

See the difference ↘
Model guide ↗
Model guide ↗

Overall StealthMark

18.9/100Overall rank 48/53
19.2/100Overall rank 47/53

General Intelligence

12.0/100
11.7/100

Visual Intelligence

29.8/100
31.0/100

Reasoning efficiency

On every task, result quality and reasoning tokens are each compared with all measured models and weighed equally. Each dot is one model.

Single-step reasoning Result quality weighed against reasoning tokens on a single problem

Multi-step reasoning Result quality weighed against reasoning tokens across connected steps, as in agentic workflows

Open or local

BENCHMARK BY BENCHMARK

Where each model leads

  • Glyph Cluster
  • Iceman Contributor
  • Other models
  • Median

DATASHEET

Specs and pricing

Glyph Cluster runs 48% faster in our speed test. Iceman Contributor scores higher on StealthMark.

  • Glyph Cluster
  • Iceman Contributor
  • Other models
  • Median
Output speedTokens per second, our measurement
Glyph Cluster: 6948% fastertokens/sIceman Contributor: 46tokens/s

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.

Glyph Cluster 6.4/100Rank 44/47

Survived 0 of 3
Foresight: complete playing field
Level 33 ptsTurn 5 / 20

Iceman Contributor 3.2/100Rank 47/47

Survived 0 of 3
Foresight: complete playing field
Level 31 ptsTurn 7 / 20

Points per level

LevelGlyph ClusterIceman Contributor
Level 1Second Thoughts
3 ptsOut of lives
0 ptsOut of lives
Level 2Pressure Pot
3 ptsOut of lives
3 ptsOut of lives
Level 3Hide or Flight
3 ptsOut of lives
1 ptsOut of lives

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.

Glyph Cluster 3.6/100Rank 44/48

Cleared 1 of 5
Latch: complete playing field
Level 59 ptsTurn 25 / 40

Iceman Contributor 3.6/100Rank 44/48

Cleared 1 of 5
Latch: complete playing field
Level 55 ptsTurn 25 / 40

Points per level

LevelGlyph ClusterIceman Contributor
Level 1Hold the door
5.2 ptsCleared
5.2 ptsCleared
Level 2Crossfeed
2 ptsOut of turns
2.8 ptsFinished early
Level 3Relay vault
4.2 ptsFinished early
2.2 ptsFinished early
Level 4Passing bay
1 ptsOut of turns
4 ptsFinished early
Level 5Second thoughts
9 ptsFinished early
5 ptsFinished early

Newton's Mirror

Same task instructions

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

The judgment

Glyph Cluster

Rounded sphere volume, compact colored forms and crimson-below-cyan ordering provide limited agreement. The visible paint does not establish the required interaction history, the sphere and black blob are displaced from the prescribed projection, and most of the defining mirror-room structure is missing or unresolved. The faint reflection echoes earn limited optical credit.

Iceman Contributor

The image provides limited evidence through rounded volume, faint wall strips and floor echoes. Its main sphere is small and low, the paint beads do not establish the required interaction history, and most of the defining mirror structure is missing.

Score breakdown

CategoryGlyph ClusterIceman Contributor
State at 600 ms5.0/250.5/25
Camera and placement3.0/152.5/15
Reflections8.0/1207.5/120
Materials and scale3.0/103.0/10
Floor-damage reward0.0/100.0/10

Benchmark task

A spinning metal sphere and paint in a mirrored room test physical reasoning, perspective and consistency across repeated reflections.

Selfie

Different task instructions

Visual construction and creative interpretation.

The judgment

Glyph Cluster

A charming palette and three expressive companions make the concept recognizable. The dominant paper enclosure overwhelms the small group, the plum character lacks a clear brace silhouette, and the cuddle remains difficult to trace. Sparse furnishings, ambiguous folds and generalized shading limit the promised lived-in richness and tactile depth.

Iceman Contributor

The crystal crown, cyan eyes and blue faceting communicate an icy fantasy character. Anatomical readability is substantially weaker: the ringed torso, crowded facial construction and fingerless appendages do not resolve the requested childlike crouch or pouncing gesture. Sparse surface detail and shallow shading further limit the result.

Score breakdown

CategoryGlyph ClusterIceman Contributor
Task & likeness3.5/104.0/10
Anatomy & construction2.5/103.0/10
Space & placement4.0/104.0/10
Light & reflections3.5/104.5/10
Purposeful detail4.5/104.0/10
Artistry & character3.0/104.5/10
Materials & effects2.0/104.5/10
Visual integrity3.0/104.0/10

Benchmark task

Glyph Cluster

Punctuation-shaped companions gather inside a curled paper home. The scene tests expressive silhouettes, close interaction and the coherence of a detailed miniature environment.

Iceman Contributor

Character scenes test expression, anatomy, materials and coherent visual construction.

Mona Lisa

Different task instructions

Precise visual recall and portrait reconstruction.

The judgment

Glyph Cluster

The portrait has a continuous body silhouette, attached sleeves and hands, and simple landscape depth. Its oversized pale head enclosure nearly erases the expression, while separated fists, ochre clothing and frontal construction weaken Mona Lisa likeness. Sparse detail, flat materials and ambiguous facial layers leave the drawing seriously unresolved.

Iceman Contributor

The portrait retains a dark silhouette against an earthy landscape, but replication is weak. The frontal body, elongated facial proportions and undifferentiated hands lose the reference's defining pose and likeness. Basic gradients and layered hills provide some coherence, with little anatomical or painterly detail.

Score breakdown

CategoryGlyph ClusterIceman Contributor
Task & likeness2.0/101.5/10
Anatomy & construction0.5/101.5/10
Space & placement2.0/102.5/10
Light & reflections1.0/102.0/10
Purposeful detail1.0/102.0/10
Artistry & character0.5/102.0/10
Materials & effects1.0/102.0/10
Visual integrity3.0/103.0/10

Benchmark task

An SVG interpretation of the Mona Lisa tests facial likeness, anatomy and the composition of a familiar portrait.

Beach

Different task instructions

Creativity, perspective and visual beauty.

The judgment

Glyph Cluster

A cheerful, recognizable beach illustration with playful accessories and mostly clean silhouettes. Sunset colors and soft glow supply atmosphere, but abbreviated anatomy, unexplained airborne animals, weak ground contact and absent water reflections limit physical coherence. Small details add interest without consistently resolving construction or materials.

Iceman Contributor

A coherent sunset beach with recognizable animals, playful details and effective palm framing. Connected silhouettes and layered scenery support modest construction and placement credit. Jointless figures, limited foreshortening and an inadequately separated sun and reflection keep the execution basic despite its attractive color.

Score breakdown

CategoryGlyph ClusterIceman Contributor
Task & likeness6.0/107.0/10
Anatomy & construction4.0/103.5/10
Space & placement5.0/106.0/10
Light & reflections4.0/104.0/10
Purposeful detail5.5/105.5/10
Artistry & character4.0/103.5/10
Materials & effects4.0/104.5/10
Visual integrity5.0/105.0/10

Benchmark task

A busy shoreline at sunset tests scene composition, animal forms and the relationship between light and water reflections.

Ground Truth

Different task instructions

Physical reasoning, light and visual reconstruction.

The judgment

Glyph Cluster

This benchmark has not been assessed yet.

Iceman Contributor

This benchmark has not been assessed yet.

Benchmark task

A plank, computer mouse and blueberry in a steel room test physical stability, spatial relationships, materials and lighting.

Raccoon

Different task instructions

Scene composition and interacting subjects.

The judgment

Glyph Cluster

Recognizable animals and clean shapes give the scene charm, but the requested steering action is visibly incomplete. Simplified joints, weak vehicle construction and uncertain water contact limit physical coherence. Flat lighting, sparse functional detail and a small focal group keep the illustration basic despite its tidy edges.

Iceman Contributor

The sunset palette and red hull establish an appealing setting, but the central interaction remains unresolved. Overlapping bodies obscure the dog, supported seating is unclear, and no readable paw-to-control grip demonstrates steering. Simple construction, weak environmental lighting and loosely described spray limit depth and finish.

Score breakdown

CategoryGlyph ClusterIceman Contributor
Task & likeness5.0/102.0/10
Anatomy & construction3.0/103.0/10
Space & placement4.0/103.0/10
Light & reflections2.5/104.0/10
Purposeful detail3.5/103.5/10
Artistry & character3.0/102.5/10
Materials & effects3.0/104.0/10
Visual integrity5.5/102.5/10

Benchmark task

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.

Pelican

Different task instructions

Subject construction and spatial relationships.

The judgment

Glyph Cluster

A readable cartoon with open framing, aligned bicycle wheels and modest atmospheric effects. Pelican likeness is approximate, while the narrow neck, crowded feet, absent steering contact and unclear drivetrain weaken the riding action. Clean shapes help presentation, but shallow space and inconsistent shading limit the finish.

Iceman Contributor

A recognizable pelican and bicycle sit within an appealing sunset composition. Feather contours, bill shape and atmospheric colour provide character, but disconnected-looking leg origins, unclear pedal contact and unresolved steering weaken the central riding action. Consistent wheel alignment establishes a side view without resolving the rider's support.

Score breakdown

CategoryGlyph ClusterIceman Contributor
Task & likeness6.0/104.0/10
Anatomy & construction3.0/103.5/10
Space & placement6.0/103.5/10
Light & reflections3.5/105.0/10
Purposeful detail4.0/104.5/10
Artistry & character3.0/103.5/10
Materials & effects4.5/104.0/10
Visual integrity6.0/103.0/10

Benchmark task

A cycling pelican tests anatomy, riding posture and contact between the bird and the bicycle.