STEALTHMARK · HEAD TO HEAD

All comparisons ↗

Cat Jam Free vs Iceman Contributor

Cat Jam Free leads Iceman Contributor by 14.3 points on StealthMark, 33.5 to 19.2. It leads on all 9 benchmarks. Cat Jam Free 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

33.5/100Overall rank 40/53
19.2/100Overall rank 47/53

General Intelligence

27.7/100
11.7/100

Visual Intelligence

43.0/100
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

NeitherApache-2.0

BENCHMARK BY BENCHMARK

Where each model leads

  • Cat Jam Free
  • Iceman Contributor
  • Other models
  • Median

DATASHEET

Specs and pricing

  • Cat Jam Free
  • Iceman Contributor
  • Other models
  • Median
Output speedTokens per second, our measurement
Cat Jam Free: Not measuredIceman 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.

Cat Jam Free 33.8/100Rank 26/47

Survived 1 of 3
Foresight: complete playing field
Level 39 ptsTurn 20 / 20

Iceman Contributor 3.2/100Rank 47/47

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

Points per level

LevelCat Jam FreeIceman Contributor
Level 1Second Thoughts
5 ptsOut of lives
0 ptsOut of lives
Level 2Pressure Pot
6 ptsOut of lives
3 ptsOut of lives
Level 3Hide or Flight
9 ptsSurvived
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.

Cat Jam Free 33.9/100Rank 33/48

Cleared 2 of 5
Latch: complete playing field
Level 56 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

LevelCat Jam FreeIceman Contributor
Level 1Hold the door
5.2 ptsCleared
5.2 ptsCleared
Level 2Crossfeed
9.8 ptsCleared
2.8 ptsFinished early
Level 3Relay vault
10 ptsFinished early
2.2 ptsFinished early
Level 4Passing bay
10.8 ptsFinished early
4 ptsFinished early
Level 5Second thoughts
6 ptsFinished early
5 ptsFinished early

Newton's Mirror

Same task instructions

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

The judgment

Cat Jam Free

The image conveys a supported central sphere, separate black paint and crimson below cyan. Its contact and transport story is partially resolved. The exterior cutaway camera and largely missing mirror system dominate the limitations; isolated discs and smooth highlights provide little coherent optical structure.

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

CategoryCat Jam FreeIceman Contributor
State at 600 ms14.0/250.5/25
Camera and placement4.0/152.5/15
Reflections3.5/1207.5/120
Materials and scale4.0/103.0/10
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

Cat Jam Free

A coherent, restrained cat illustration captures the pale palette and intent eyes. Its central expressive requirement—the committed forward-and-down neck bob—is insufficiently articulated. Simple geometry, faint paw construction and minimal surface detail limit the physical presence and finish.

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

CategoryCat Jam FreeIceman Contributor
Task & likeness5.5/104.0/10
Anatomy & construction5.5/103.0/10
Space & placement6.0/104.0/10
Light & reflections6.0/104.5/10
Purposeful detail4.0/104.0/10
Artistry & character5.5/104.5/10
Materials & effects5.0/104.5/10
Visual integrity6.5/104.0/10

Benchmark task

Cat Jam Free

An ivory cat nods intently to music beside a tiny speaker. The scene tests feline anatomy, movement conveyed through a still pose and the contrast between pale fur and woven fabric.

Iceman Contributor

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

Mona Lisa

Same task instructions

Precise visual recall and portrait reconstruction.

The judgment

Cat Jam Free

The portrait is recognizable and cleanly assembled, but replication remains basic. Its frontal symmetry, elongated silhouette, simplified facial likeness and unresolved hands differ markedly from the original. Modest skin gradients provide volume, while clothing and landscape rely on broad, flat shapes.

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

CategoryCat Jam FreeIceman Contributor
Task & likeness2.5/101.5/10
Anatomy & construction2.0/101.5/10
Space & placement4.0/102.5/10
Light & reflections3.5/102.0/10
Purposeful detail3.0/102.0/10
Artistry & character3.0/102.0/10
Materials & effects2.5/102.0/10
Visual integrity5.5/103.0/10

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

Cat Jam Free

The scene clearly supplies the requested beach subjects and playful activity. Clean silhouettes and warm gradients support readability, but elementary drawing, ambiguous parasol construction, weak grounding and a rigid sun reflection limit its depth and finish.

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

CategoryCat Jam FreeIceman Contributor
Task & likeness7.0/107.0/10
Anatomy & construction4.5/103.5/10
Space & placement4.5/106.0/10
Light & reflections4.0/104.0/10
Purposeful detail4.0/105.5/10
Artistry & character4.5/103.5/10
Materials & effects4.5/104.5/10
Visual integrity5.5/105.0/10

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

Cat Jam Free

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

Cat Jam Free

An appealing cartoon demonstrates the back-riding arrangement through expressive faces and clean shapes. Uncertain steering contact, indistinct deck support and weak hull-water interaction limit physical coherence. Smooth gradients add volume, but simple rounded construction and sparse material detail constrain complexity and finish.

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

CategoryCat Jam FreeIceman Contributor
Task & likeness6.0/102.0/10
Anatomy & construction5.0/103.0/10
Space & placement5.0/103.0/10
Light & reflections5.0/104.0/10
Purposeful detail6.0/103.5/10
Artistry & character5.0/102.5/10
Materials & effects5.0/104.0/10
Visual integrity4.5/102.5/10

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

Cat Jam Free

A coherent cartoon with readable bicycle placement, controlled outlines and modest surface shading. The separated-looking upper bill weakens pelican likeness; schematic limbs, uncertain gripping contact and simplified mechanics constrain construction. Opaque wheel interiors flatten spatial relationships. Limited feather complexity and directional lighting keep the finish modest.

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

CategoryCat Jam FreeIceman Contributor
Task & likeness7.0/104.0/10
Anatomy & construction5.0/103.5/10
Space & placement6.0/103.5/10
Light & reflections5.0/105.0/10
Purposeful detail5.5/104.5/10
Artistry & character5.5/103.5/10
Materials & effects6.5/104.0/10
Visual integrity6.5/103.0/10

Benchmark task

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