STEALTHMARK · HEAD TO HEAD

All comparisons ↗

Iceman Contributor vs Qwen3.5-9B

Iceman Contributor leads Qwen3.5-9B by 8.7 points on StealthMark, 19.2 to 10.5. It leads on 7 of 9 benchmarks and Qwen3.5-9B on 2, including both games. Iceman Contributor scores higher on Newton's Mirror, with its largest category advantage in reflections.

See the difference ↘
Model guide ↗
All results ↗

Overall StealthMark

19.2/100Overall rank 47/53
10.5/100Overall rank 53/53

General Intelligence

11.7/100
7.8/100

Visual Intelligence

31.0/100
14.9/100

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

Local modelOpen model · Apache-2.0

BENCHMARK BY BENCHMARK

Where each model leads

  • Iceman Contributor
  • Qwen3.5-9B
  • Other models
  • Median

DATASHEET

Specs and pricing

Iceman Contributor scores higher on StealthMark. Qwen3.5-9B runs 3.5× faster in our speed test.

  • Iceman Contributor
  • Qwen3.5-9B
  • Other models
  • Median
PricePer 1M output tokens, input below
Iceman Contributor: No list priceQwen3.5-9B: $0.25$0.17 input
Context windowTokens per request, max output below
Iceman Contributor: Not publishedQwen3.5-9B: 1.01M
Output speedTokens per second, our measurement
Iceman Contributor: 46tokens/sQwen3.5-9B: 1613.5× fastertokens/s
SizeTotal and active parameters
Iceman Contributor: Not disclosedQwen3.5-9B: 9BAll activeEstimated
Developer
Not publishedQwen
Released
Not published2 Mar 2026
Origin
Not publishedChina
Input → output
Not publishedText, image, video → text
Architecture
Not publishedDense causal language model with vision encoder; Gated DeltaNet + gated attention; MTP-trained

Full datasheets, every price and sourceQwen3.5-9B ↗

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.

Iceman Contributor 3.2/100Rank 47/47

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

Qwen3.5-9B 12.8/100Rank 43/47

Survived 0 of 3
Foresight: complete playing field
Level 32 ptsTurn 8 / 20

Points per level

LevelIceman ContributorQwen3.5-9B
Level 1Second Thoughts
0 ptsOut of lives
4 ptsOut of lives
Level 2Pressure Pot
3 ptsOut of lives
4 ptsOut of lives
Level 3Hide or Flight
1 ptsOut of lives
2 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.

Iceman Contributor 3.6/100Rank 44/48

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

Qwen3.5-9B 3.8/100Rank 43/48

Cleared 1 of 5
Latch: complete playing field
Level 54.4 ptsTurn 33 / 40

Points per level

LevelIceman ContributorQwen3.5-9B
Level 1Hold the door
5.2 ptsCleared
5 ptsCleared
Level 2Crossfeed
2.8 ptsFinished early
3.8 ptsFinished early
Level 3Relay vault
2.2 ptsFinished early
1.2 ptsFinished early
Level 4Passing bay
4 ptsFinished early
0.2 ptsFinished early
Level 5Second thoughts
5 ptsFinished early
4.4 ptsFinished early

Newton's Mirror

Same task instructions

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

The judgment

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.

Qwen3.5-9B

Horizontal centering and a separate airborne black blob are visible. Cyan's recent contact and crimson's forward transport are insufficiently demonstrated, while sphere support remains obscured. The enlarged, lowered sphere substantially changes the composition. The wall and floor sphere images, recursive room structure and curved emitter mappings are almost entirely missing.

Score breakdown

CategoryIceman ContributorQwen3.5-9B
State at 600 ms0.5/253.0/25
Camera and placement2.5/154.5/15
Reflections7.5/1202.0/120
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

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.

Qwen3.5-9B

Glowing teal spheres and a harmonious palette provide visible strengths, but the central character remains seriously unresolved. A large gap separates head and torso, limbs cannot be traced, and scattered garment shapes fail to establish the ornate costume. The foreground mound replaces the tall enclosing arch. Clean primitive edges do not repair these construction failures.

Score breakdown

CategoryIceman ContributorQwen3.5-9B
Task & likeness4.0/103.0/10
Anatomy & construction3.0/102.0/10
Space & placement4.0/103.0/10
Light & reflections4.5/103.5/10
Purposeful detail4.0/102.0/10
Artistry & character4.5/102.0/10
Materials & effects4.5/104.0/10
Visual integrity4.0/103.0/10

Benchmark task

Iceman Contributor

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

Qwen3.5-9B

A floating capybara in ornate robes tests character anatomy, layered fabric and the placement of surrounding luminous forms.

Mona Lisa

Different task instructions

Precise visual recall and portrait reconstruction.

The judgment

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.

Qwen3.5-9B

A centered dark oval with sparse facial marks forms a simple graphic face, but scarcely replicates the Mona Lisa. The portrait's body, crossed hands, clothing and landscape are missing, while angular facial construction and flat tones lose its likeness, volume and subtle expression.

Score breakdown

CategoryIceman ContributorQwen3.5-9B
Task & likeness1.5/100.0/10
Anatomy & construction1.5/100.0/10
Space & placement2.5/100.0/10
Light & reflections2.0/100.0/10
Purposeful detail2.0/100.0/10
Artistry & character2.0/100.5/10
Materials & effects2.0/100.0/10
Visual integrity3.0/100.5/10

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

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.

Qwen3.5-9B

The beach is recognizable, and sweeping shoreline curves provide basic rhythm. Wildlife and playful activity remain poorly resolved, with ambiguous body construction and object contact. The sun glows without corresponding reflections or surface lighting. Fragmented subjects and an unintegrated rectangular panel substantially weaken composition and finish.

Score breakdown

CategoryIceman ContributorQwen3.5-9B
Task & likeness7.0/101.5/10
Anatomy & construction3.5/100.5/10
Space & placement6.0/101.5/10
Light & reflections4.0/101.0/10
Purposeful detail5.5/102.5/10
Artistry & character3.5/101.5/10
Materials & effects4.5/100.5/10
Visual integrity5.0/101.5/10

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

Iceman Contributor

This benchmark has not been assessed yet.

Qwen3.5-9B

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

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.

Qwen3.5-9B

Bright colors, clean individual shapes and basic animal cues make the scene partly recognizable. Back seating, body continuity, steering and jet ski construction remain unresolved. Background gradients and wave rhythm provide some finish, but substantial anatomical, spatial and interaction weaknesses dominate.

Score breakdown

CategoryIceman ContributorQwen3.5-9B
Task & likeness2.0/102.5/10
Anatomy & construction3.0/101.0/10
Space & placement3.0/102.0/10
Light & reflections4.0/101.0/10
Purposeful detail3.5/101.5/10
Artistry & character2.5/101.0/10
Materials & effects4.0/101.0/10
Visual integrity2.5/102.5/10

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

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.

Qwen3.5-9B

The oversized bill and orderly spoked wheels make the subject partly recognizable. Clean contours and strong color contrast provide graphic clarity, but unresolved appendages, steering, drivetrain and support dominate the construction. Sparse shading and detail further limit the illustration.

Score breakdown

CategoryIceman ContributorQwen3.5-9B
Task & likeness4.0/104.0/10
Anatomy & construction3.5/101.5/10
Space & placement3.5/103.0/10
Light & reflections5.0/101.5/10
Purposeful detail4.5/102.5/10
Artistry & character3.5/101.5/10
Materials & effects4.0/101.5/10
Visual integrity3.0/102.5/10

Benchmark task

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