STEALTHMARK · HEAD TO HEAD

All comparisons ↗

Crouton Alpha vs Muse Spark 1.3

Crouton Alpha leads Muse Spark 1.3 by 8.5 points on StealthMark, 48.0 to 39.5. It leads on 5 of 9 benchmarks, including Latch, and Muse Spark 1.3 on 4, including Foresight. Crouton Alpha scores higher on Newton's Mirror, with its largest category advantage in reflections.

See the difference ↘
Model guide ↗
All results ↗

Overall StealthMark

48.0/100Overall rank 23/56
39.5/100Overall rank 37/56

General Intelligence

43.5/100
38.3/100

Visual Intelligence

56.0/100
41.6/100

Reasoning efficiency

How many reasoning tokens a model needs for the quality it delivers.

Single-step reasoning How much it reasons to understand a task

Multi-step reasoning How much it keeps reasoning as a task goes on

Cost efficiency

How much Performance you get for your money.

  • Crouton AlphaNot measured

Open or local

BENCHMARK BY BENCHMARK

Where each model leads

  • Crouton Alpha
  • Muse Spark 1.3
  • Other models
  • Median

DATASHEET

Specs and pricing

Crouton Alpha scores higher on StealthMark. Muse Spark 1.3 runs 1.8× faster in our speed test.

  • Crouton Alpha
  • Muse Spark 1.3
  • Other models
  • Median
PricePer 1M output tokens, input below
Crouton Alpha: No list priceMuse Spark 1.3: $4.25$1.25 input
Context windowTokens per request, max output below
Crouton Alpha: Not publishedMuse Spark 1.3: 1M
Output speedTokens per second, our measurement
Crouton Alpha: 175tokens/sMuse Spark 1.3: 3211.8× fastertokens/s
Developer
Not publishedMeta
Released
Not published2 Sep 2026
Origin
Not publishedUnited States
Input → output
Not publishedText, image, video, audio, PDF → text

Full datasheets, every price and sourceMuse Spark 1.3 ↗

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.

Crouton Alpha 32.3/100Rank 29/52

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

Muse Spark 1.3 64.3/100Rank 6/52

Survived 2 of 3
Foresight: complete playing field
Level 311 ptsTurn 17 / 20

Points per level

LevelCrouton AlphaMuse Spark 1.3
Level 1Second Thoughts
3 ptsOut of lives
26 ptsSurvived
Level 2Pressure Pot
7 ptsOut of lives
10 ptsSurvived
Level 3Hide or Flight
9 ptsSurvived
11 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.

Crouton Alpha 59.5/100Rank 24/53

Cleared 4 of 5
Latch: complete playing field
Level 520.2 ptsTurn 29 / 40

Muse Spark 1.3 72.4/100Rank 30/533 of 5 levels

3 of 5 played
Latch: complete playing field
Level 318.8 ptsTurn 32 / 36

Points per level

LevelCrouton AlphaMuse Spark 1.3
Level 1Hold the door
5.2 ptsCleared
5.2 ptsCleared
Level 2Crossfeed
9.4 ptsCleared
9.8 ptsCleared
Level 3Relay vault
11.2 ptsFinished early
18.8 ptsCleared
Level 4Passing bay
18.2 ptsClearedFinished early · 3 beacons left
Pending
Level 5Second thoughts
20.2 ptsCleared
Not played

Newton's Mirror

Same task instructions

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

The judgment

Crouton Alpha

The artwork establishes approximate central placement, a separate airborne black blob, and basic wall and floor sphere images. Its defining weaknesses are the largely absent recursive reflection system, missing emitter mappings, satin steel appearance and unresolved paint interaction. The black lateral wedges do not establish a separate viewport, and the hidden floor contact does not establish a gap. The category values remain unchanged.

Muse Spark 1.3

The paint state is incorrectly and poorly drawn, despite a recognizable sphere-and-paint setup. The oversized sphere, oversized compact paint bodies, and blurred wall and floor images further limit the result. Isolated reflection cues provide very little support for the required repeated virtual rooms, nested spherical imagery or emitter mapping.

Score breakdown

CategoryCrouton AlphaMuse Spark 1.3
State at 600 ms19.0/256.0/25
Camera and placement11.0/158.5/15
Reflections21.5/1205.5/120
Materials and scale6.0/104.0/10
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

Crouton Alpha

A cheerful, readable cartoon captures the crouton's signature expression and many specific accessories. Coherent cube geometry and foreground foreshortening support the selfie. Simple construction and flat material treatment limit its sophistication, while the tipping raft, advancing soup and unnoticed soaking remain insufficiently clear.

Muse Spark 1.3

The luminous creature and geometric mirror counterpart communicate self-recognition through a coherent palette and expressive eyes. The transformed reflection is purposeful. Simple oval anatomy, ambiguous reaching-arm construction, shallow spatial staging and limited illumination of nearby surfaces keep the illustration below exceptional execution.

Score breakdown

CategoryCrouton AlphaMuse Spark 1.3
Task & likeness6.5/108.0/10
Anatomy & construction5.5/105.0/10
Space & placement6.5/106.5/10
Light & reflections5.5/107.0/10
Purposeful detail7.0/106.5/10
Artistry & character5.0/105.5/10
Materials & effects5.5/106.5/10
Visual integrity7.5/107.5/10

Benchmark task

Crouton Alpha

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

Muse Spark 1.3

An imagined creature encounters its reflection. The scene tests original character design, visual self-interpretation and the relationship between a subject and its reflected image.

Mona Lisa

Same task instructions

Precise visual recall and portrait reconstruction.

The judgment

Crouton Alpha

A recognizable, coherent simplification with readable eyes, a restrained smile and modest facial volume. Frontal symmetry, an oversized head, capsule-like hands and geometric scenery substantially limit likeness, anatomy and depth. Clean contours preserve basic integrity but do not establish sophisticated construction or finish.

Muse Spark 1.3

Dark hair, a restrained smile and overlapping hands suggest Mona Lisa, but replication is weak. The face is markedly elongated, the hands are oval pads with faint finger strokes, and the atmospheric landscape is absent. Soft gradients provide basic volume, while the frontal symmetry, shallow space and sparse clothing detail limit the portrait’s drawing quality.

Score breakdown

CategoryCrouton AlphaMuse Spark 1.3
Task & likeness4.5/101.0/10
Anatomy & construction4.0/101.5/10
Space & placement4.5/101.5/10
Light & reflections5.0/101.5/10
Purposeful detail4.0/101.0/10
Artistry & character4.5/101.5/10
Materials & effects4.0/101.5/10
Visual integrity6.0/103.0/10

Benchmark task

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

Beach

Same task instructions

Creativity, perspective and visual beauty.

The judgment

Crouton Alpha

A colorful, readable sunset beach scene with playful subjects and a clear central reflection. Purposeful equipment and animal details reward inspection, and the principal attachments remain intact. Basic geometric anatomy, mixed viewpoints and sparse directional shadows limit its construction and depth; smooth gradients provide atmosphere with little material differentiation.

Muse Spark 1.3

The warm sunset, framing palms and colorful beach accessories create an appealing scene with the requested animals, birds and reflections. Construction remains schematic: the raised hand misses the kite string, and a doglike silhouette hangs above the water without clear support. The sun reflection establishes a focal path, but shadows and materials lack depth. An unexplained horizontal bar crosses the sun.

Score breakdown

CategoryCrouton AlphaMuse Spark 1.3
Task & likeness8.5/106.5/10
Anatomy & construction5.0/103.0/10
Space & placement5.5/105.5/10
Light & reflections5.5/106.5/10
Purposeful detail7.0/105.0/10
Artistry & character5.0/103.5/10
Materials & effects5.5/103.0/10
Visual integrity7.0/103.5/10

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

Crouton Alpha

This benchmark has not been assessed yet.

Muse Spark 1.3

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

Same task instructions

Scene composition and interacting subjects.

The judgment

Crouton Alpha

A readable cartoon with expressive faces, purposeful markings and clear water motion. Hull shading and an underside shadow establish modest depth. The dog contacts the controls, but the raccoon's frontal pose leaves its seated weight unresolved. Simple anatomy and limited shared perspective constrain the drawing.

Muse Spark 1.3

The raccoon clearly rides on the dog's back, and the dog's paws reach the jet ski controls. Expressive faces and bright colors make the scene appealing. Simplified joints, crowded steering geometry and shallow hull perspective limit construction. The sun has no corresponding water reflection, and the splash shapes convey speed more clearly than convincing displacement.

Score breakdown

CategoryCrouton AlphaMuse Spark 1.3
Task & likeness7.0/108.5/10
Anatomy & construction5.0/106.0/10
Space & placement6.0/107.0/10
Light & reflections6.0/105.0/10
Purposeful detail6.5/106.5/10
Artistry & character5.0/105.0/10
Materials & effects5.5/106.0/10
Visual integrity6.0/106.0/10

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

Same task instructions

Subject construction and spatial relationships.

The judgment

Crouton Alpha

A recognizable, expressive pelican cyclist with purposeful feather and bicycle detail. Readable steering reach, connected machinery and modest body shading earn additional credit. Jointless legs, uncertain pedal engagement and unclear seated support keep the central action only partially resolved; shallow space and simple materials further limit the illustration.

Muse Spark 1.3

The pelican and bicycle are immediately recognizable, with an expressive face, bold bill and cheerful composition. Both legs connect to the body and reach pedal-like supports, but articulation, saddle support and wing contact with the handlebar remain unclear. Wheel alignment and layering are coherent. Simple landscape shapes, generic shadows and limited material variation constrain the finish.

Score breakdown

CategoryCrouton AlphaMuse Spark 1.3
Task & likeness7.0/108.5/10
Anatomy & construction5.0/106.0/10
Space & placement5.5/107.0/10
Light & reflections5.5/106.0/10
Purposeful detail6.5/107.0/10
Artistry & character5.5/105.5/10
Materials & effects5.0/106.5/10
Visual integrity6.0/107.0/10

Benchmark task

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