STEALTHMARK · HEAD TO HEAD

All comparisons ↗

Muse Spark Open vs Qwen3.6-35B-A3B

Muse Spark Open leads Qwen3.6-35B-A3B by 23.3 points on StealthMark, 44.1 to 20.8. It leads on 8 of 9 benchmarks, including both games, and Qwen3.6-35B-A3B on 1. Muse Spark Open scores higher on Ground Truth.

See the difference ↘
All results ↗
All results ↗

Overall StealthMark

44.1/100Overall rank 29/53
20.8/100Overall rank 46/53

General Intelligence

42.6/100
12.7/100

Visual Intelligence

46.6/100
34.0/100

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

  • Muse Spark Open

Open or local

Local modelOpen model · Apache-2.0

BENCHMARK BY BENCHMARK

Where each model leads

  • Muse Spark Open
  • Qwen3.6-35B-A3B
  • Other models
  • Median

DATASHEET

Specs and pricing

Muse Spark Open scores higher on StealthMark. Qwen3.6-35B-A3B is 2.9× cheaper per output token and runs 1.6× faster in our speed test. Both take about 1M tokens of context.

  • Muse Spark Open
  • Qwen3.6-35B-A3B
  • Other models
  • Median
PricePer 1M output tokens, input below
Muse Spark Open: $4.25$1.25 inputQwen3.6-35B-A3B: $1.492.9× cheaper$0.25 input
Context windowTokens per request, max output below
Muse Spark Open: 1MTied1M max outputQwen3.6-35B-A3B: 1.01MTied64K max output
Output speedTokens per second, our measurement
Muse Spark Open: 361tokens/sQwen3.6-35B-A3B: 5771.6× fastertokens/s
SizeTotal and active parameters
Muse Spark Open: 816B42B activeQwen3.6-35B-A3B: 35B3B active
Developer
MetaQwen
Released
15 Oct 202616 Apr 2026
Origin
United StatesChina
Input → output
Text, image, audio, video → textText, image, video → text
Architecture
Sparse mixture-of-experts Transformer with perception encoders; 62 decoder layers, 256 experts with 8 selected per token, grouped-query attention and sliding-window/full-attention layers.MoE causal language model with vision encoder; Gated DeltaNet + gated attention; 256 experts, 8 routed + 1 shared active

Full datasheets, every price and sourceMuse Spark Open ↗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.

Muse Spark Open 29.4/100Rank 34/47

Survived 0 of 3
Foresight: complete playing field
Level 38 ptsTurn 15 / 20

Qwen3.6-35B-A3B 20.7/100Rank 40/47

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

Points per level

LevelMuse Spark OpenQwen3.6-35B-A3B
Level 1Second Thoughts
4 ptsOut of lives
4 ptsOut of lives
Level 2Pressure Pot
9 ptsOut of lives
3 ptsOut of lives
Level 3Hide or Flight
8 ptsOut of lives
9 ptsSurvived

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.

Muse Spark Open 75.7/100Rank 12/48

Cleared 5 of 5
Latch: complete playing field
Level 519.6 ptsTurn 32 / 40

Qwen3.6-35B-A3B 3.6/100Rank 44/48

Cleared 1 of 5
Latch: complete playing field
Level 57.8 ptsTurn 36 / 40

Points per level

LevelMuse Spark OpenQwen3.6-35B-A3B
Level 1Hold the door
5.2 ptsCleared
5.2 ptsCleared
Level 2Crossfeed
9.8 ptsCleared
1 ptsOut of turns
Level 3Relay vault
19.2 ptsCleared
0.2 ptsFinished early
Level 4Passing bay
17.8 ptsClearedFinished early · 1 beacon left
3 ptsOut of turns
Level 5Second thoughts
19.6 ptsCleared
7.8 ptsFinished early

Newton's Mirror

Same task instructions

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

The judgment

Muse Spark Open

The airborne black blob and deformed paint support the broad contact sequence, although cyan attachment and wheel-directed transport remain partial. The sphere and black blob have substantial framing errors. The dominant limitation is the largely absent mirror system: faint wall circles and isolated highlights provide little evidence of recursive room geometry or curved nested reflections. Oversized compact paint features and diffuse material treatment further limit 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.

Score breakdown

CategoryMuse Spark OpenQwen3.6-35B-A3B
State at 600 ms14.0/252.5/25
Camera and placement6.0/154.0/15
Reflections8.0/1203.5/120
Materials and scale3.5/102.5/10
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

Muse Spark Open

The rounded silhouette and asymmetric expression make an appealing baby elephant, supported by a quiet background and grounding shadow. The protective action remains difficult to read: forefeet cannot be confidently traced into a grip, and seed contact is crowded by fine lines. Controlled simple shapes provide charm, but limited anatomical clarity, shading and surface detail leave the execution uneven.

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.

Score breakdown

CategoryMuse Spark OpenQwen3.6-35B-A3B
Task & likeness5.0/106.0/10
Anatomy & construction4.5/106.0/10
Space & placement6.0/106.5/10
Light & reflections5.0/107.0/10
Purposeful detail6.0/106.5/10
Artistry & character5.0/106.0/10
Materials & effects5.0/105.5/10
Visual integrity6.5/107.5/10

Benchmark task

Muse Spark Open

A small elephant protecting a delicate seed tests expressive anatomy, physical contact and contrasting organic materials.

Qwen3.6-35B-A3B

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

Muse Spark Open

A recognizable, orderly interpretation with clean major contours, connected body forms and modest facial shading. Wide eyes, frontal symmetry and schematic hands limit likeness and expression. Layered scenery establishes basic depth, but shallow arm overlaps, flat clothing and sparse fine detail keep the execution basic and 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.

Score breakdown

CategoryMuse Spark OpenQwen3.6-35B-A3B
Task & likeness3.0/102.0/10
Anatomy & construction3.0/101.0/10
Space & placement5.0/102.0/10
Light & reflections4.5/100.5/10
Purposeful detail4.0/101.5/10
Artistry & character3.0/101.5/10
Materials & effects4.0/101.5/10
Visual integrity6.0/102.0/10

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

Muse Spark Open

A coherent sunset beach with readable activities, balanced framing and controlled colour transitions. Small accessories add interest, but schematic anatomy, limited surface detail, weak directional shadows and a geometric reflection constrain its finish. Most shapes and overlaps remain clean.

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.

Score breakdown

CategoryMuse Spark OpenQwen3.6-35B-A3B
Task & likeness8.0/107.5/10
Anatomy & construction6.0/104.5/10
Space & placement6.5/105.5/10
Light & reflections5.5/104.5/10
Purposeful detail6.5/104.5/10
Artistry & character5.5/104.5/10
Materials & effects6.0/105.5/10
Visual integrity8.0/105.0/10

Benchmark task

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

Ground Truth

Same task instructions

Physical reasoning, light and visual reconstruction.

The judgment

Muse Spark Open

This benchmark has not been assessed yet.

Qwen3.6-35B-A3B

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

Muse Spark Open

Expressive faces, distinct accessories and clean color separation make the scene appealing and recognizable. Character detail is stronger than the functional construction: steering contact, limb overlaps and seating remain ambiguous. The readable hull and lively spray establish motion, while limited directional shading and simplified surfaces constrain depth and physical coherence.

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.

Score breakdown

CategoryMuse Spark OpenQwen3.6-35B-A3B
Task & likeness4.0/104.5/10
Anatomy & construction3.0/103.5/10
Space & placement6.0/105.5/10
Light & reflections4.5/103.5/10
Purposeful detail7.0/104.5/10
Artistry & character3.5/104.0/10
Materials & effects5.0/104.0/10
Visual integrity5.0/103.5/10

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

Muse Spark Open

A controlled, appealing cartoon with a recognizable pelican, expressive face and clean curved forms. Feather lines, spokes and bill shading provide useful complexity. Aligned wheels and a ground shadow establish placement, but uncertain pedal contacts and obscured mechanical connections weaken support and riding action. Lighting remains loosely coordinated with the sun.

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.

Score breakdown

CategoryMuse Spark OpenQwen3.6-35B-A3B
Task & likeness7.5/107.0/10
Anatomy & construction5.0/103.5/10
Space & placement6.0/106.0/10
Light & reflections5.0/105.5/10
Purposeful detail6.5/107.0/10
Artistry & character5.5/105.0/10
Materials & effects6.0/105.5/10
Visual integrity7.5/104.5/10

Benchmark task

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