STEALTHMARK · HEAD TO HEAD

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Gemma 4 31B vs Kolibri 1

Gemma 4 31B scores 12.9 points higher overall (25.9 vs 13.0). Gemma 4 31B scores higher on Raccoon, with its largest category advantage in anatomy & construction.

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All results ↗
All results ↗

Overall StealthMark

25.9/100
13.0/100

General Intelligence

13.9/100
12.1/100

Visual Intelligence

40.1/100
14.2/100

Newton's Mirror

Same prompt

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

Gemma 4 31B15.4/100

Gemma 4 31B: Newton's Mirror SVG benchmark
Researcher observations

The sphere's volume, separate airborne black blob and vertical color ordering are readable. The large, low sphere, plain surrounding planes and absent nested optical imagery leave the central geometric and reflection requirements unsupported. Paint contact and transport remain unresolved. Material credit recognizes the visible convex shading, highlights and distinct surface colors while retaining deductions for the schematic finish and oversized blobs.

Benchmark task

A shiny steel ball spins in a room with mirrored walls and a mirrored floor. Red, cyan and black paint float above it. Gravity suddenly switches on. Draw the scene a moment later, as the ball drops and paint begins landing on its spinning surface. Show the reflections repeating through the room.

Kolibri 19.9/100

Kolibri 1: Newton's Mirror SVG benchmark
Researcher observations

A segmented gray perimeter surrounds a black field containing one large, low-positioned gray sphere and two small colored circles. Rounded volume and restrained paint scale earn partial material credit. The image does not demonstrate the required optical structure, while paint history, airborne black and settled support remain largely unresolved.

Benchmark task

A shiny steel ball spins in a room with mirrored walls and a mirrored floor. Red, cyan and black paint float above it. Gravity suddenly switches on. Draw the scene a moment later, as the ball drops and paint begins landing on its spinning surface. Show the reflections repeating through the room.

Compare category scores
CategoryGemma 4 31BKolibri 1
State at 600 ms8.0/258.5/25
Camera and placement3.0/151.5/15
Reflections0.0/1200.0/120
Materials and scale6.0/103.0/10
Floor-damage reward0.0/100.0/10

Selfie

Different prompts

Gemma 4 31B60.9/100

Gemma 4 31B: Selfie SVG benchmark
Researcher observations

A clean, appealing luminous mascot with coherent body continuity and a readable jar-hugging pose. Rounded highlights, smooth gradients and balanced framing work well. The teardrop silhouette, modest eyes and nearly even grin only partly satisfy the character brief; sparse jar construction and simple geometry limit sophistication.

Prompt withheld

Prompt withheld.

Kolibri 122.9/100

Kolibri 1: Selfie SVG benchmark
Researcher observations

A restrained ivory, teal and green palette gives the image simple graphic coherence. Execution remains rudimentary: detached oval wings, ambiguous central anatomy and unclear feeding contact prevent a convincing hummingbird scene. The requested feather structure, botanical detail, lighting and enclosing arch are largely unresolved.

Prompt withheld

Prompt withheld.

Compare category scores
CategoryGemma 4 31BKolibri 1
Prompt & likeness6.0/102.5/10
Anatomy & construction6.0/102.0/10
Space & placement7.5/103.0/10
Light & reflections6.5/102.0/10
Purposeful detail5.5/101.5/10
Artistry & character5.0/101.5/10
Materials & effects6.5/102.0/10
Visual integrity7.5/105.5/10

Mona Lisa

Different prompts

Gemma 4 31B35.1/100

Gemma 4 31B: Mona Lisa SVG benchmark
Researcher observations

The portrait is recognizable through its silhouette, palette and smile, with clean execution of simple shapes. Replication remains weak: the face and pose differ markedly, hands become fingerless ovals, clothing lacks construction, and the landscape loses its atmospheric detail. Basic gradients provide limited volume.

Benchmark task

Replicate mona-lisa as SVG

Kolibri 13.3/100

Kolibri 1: Mona Lisa SVG benchmark
Researcher observations

The candidate offers a clean, highly simplified frontal portrait with warm skin and dark hair. Its oversized oval face, schematic features and unresolved body provide little Mona Lisa likeness. Missing crossed hands, clothing detail and landscape remove essential parts of the original composition; smooth gradients supply only limited volume.

Benchmark task

Replicate mona-lisa as SVG

Compare category scores
CategoryGemma 4 31BKolibri 1
Prompt & likeness3.0/100.5/10
Anatomy & construction4.0/100.5/10
Space & placement4.0/100.0/10
Light & reflections3.5/100.0/10
Purposeful detail2.0/100.0/10
Artistry & character3.5/100.5/10
Materials & effects2.5/100.5/10
Visual integrity5.5/100.5/10

Beach

Same prompt

Gemma 4 31B29.2/100

Gemma 4 31B: Beach SVG benchmark
Researcher observations

A coherent beach illustration with clean silhouettes, a sweeping shoreline and an effective sunset palette. Requested subjects are recognizable, but primitive animal construction, sparse detail, unsupported palm placement and schematic reflections limit drawing sophistication and physical credibility.

Benchmark task

Create an SVG of a amazing beach scene. Sunset, animals, fun, birds, reflections

Kolibri 112.9/100

Kolibri 1: Beach SVG benchmark
Researcher observations

A recognizable sunset beach has an appealing purple-orange gradient and clean geometric edges. Birds and animals remain unresolved, terrain obscures the relationship between shore and water, and reflections are absent. Sparse detail, flat materials and limited activity keep the drawing elementary despite its tidy rendering.

Benchmark task

Create an SVG of a amazing beach scene. Sunset, animals, fun, birds, reflections

Compare category scores
CategoryGemma 4 31BKolibri 1
Prompt & likeness5.0/102.5/10
Anatomy & construction2.0/100.5/10
Space & placement5.0/103.0/10
Light & reflections2.5/101.0/10
Purposeful detail2.0/100.5/10
Artistry & character2.0/101.0/10
Materials & effects2.0/100.5/10
Visual integrity5.0/103.0/10

Ground Truth

Same prompt

Gemma 4 31B12.0/100

Gemma 4 31B: Ground Truth SVG benchmark
Benchmark task

A dark steel room has four pillars and two warm ceiling lights. A wooden plank is placed over a computer mouse, with a blueberry on the plank above it. Draw the scene a few seconds later, showing how the objects settle and how the light, shadows and surfaces look.

Kolibri 120.7/100

Kolibri 1: Ground Truth SVG benchmark
Benchmark task

A dark steel room has four pillars and two warm ceiling lights. A wooden plank is placed over a computer mouse, with a blueberry on the plank above it. Draw the scene a few seconds later, showing how the objects settle and how the light, shadows and surfaces look.

Raccoon

Same prompt

Gemma 4 31B38.2/100

Gemma 4 31B: Raccoon SVG benchmark
Researcher observations

Clean, simple silhouettes communicate a raccoon riding on a dog. Limited animal specificity, absent steering controls and a flat platform weaken the requested scene. Small facial marks provide purposeful detail, while unresolved support, flat lighting and schematic water restrict physical coherence. Primitive but coherent construction supports basic drawing quality.

Benchmark task

Generate an SVG: A raccoon sits on a dog's back while the dog steers a jet ski

Kolibri 110.0/100

Kolibri 1: Raccoon SVG benchmark
Researcher observations

Clean shapes and a readable coral platform provide basic graphic clarity, but the animal construction remains fragmented. A recognizable raccoon riding the dog's back, connected steering and convincing water contact are not demonstrated. Sparse detail, flat subjects and absent movement effects support retaining the baseline category assessments.

Benchmark task

Generate an SVG: A raccoon sits on a dog's back while the dog steers a jet ski

Compare category scores
CategoryGemma 4 31BKolibri 1
Prompt & likeness4.5/101.5/10
Anatomy & construction4.0/101.0/10
Space & placement4.0/101.0/10
Light & reflections1.0/100.0/10
Purposeful detail3.0/100.5/10
Artistry & character4.0/100.5/10
Materials & effects2.0/100.5/10
Visual integrity8.0/103.5/10

Pelican

Same prompt

Gemma 4 31B50.5/100

Gemma 4 31B: Pelican SVG benchmark
Researcher observations

A clean, readable illustration with balanced placement and coherent basic geometry. The sky gradient and ground shadow establish diffuse illumination. Primitive shapes and sparse detail limit artistry, while unclear leg attachment, missing pedal contact and unresolved steering weaken the riding action.

Benchmark task

Generate an SVG of a pelican riding a bicycle

Kolibri 117.5/100

Kolibri 1: Pelican SVG benchmark
Researcher observations

Clean shapes and aligned wheels establish a readable schematic scene. Pelican likeness, riding support and bicycle mechanics remain substantially unresolved. Sparse detail and flat surfaces limit expression and volume. Strong edge and fill integrity is a separate success and does not repair the construction.

Benchmark task

Generate an SVG of a pelican riding a bicycle

Compare category scores
CategoryGemma 4 31BKolibri 1
Prompt & likeness6.0/101.5/10
Anatomy & construction4.0/101.5/10
Space & placement6.0/101.5/10
Light & reflections5.0/103.0/10
Purposeful detail3.5/101.5/10
Artistry & character4.0/101.0/10
Materials & effects4.0/101.0/10
Visual integrity8.0/103.5/10