STEALTHMARK · HEAD TO HEAD

All comparisons ↗

Gemini 4 Argon vs Qwen3.8-27B

Gemini 4 Argon leads Qwen3.8-27B by 15.7 points on StealthMark, 67.4 to 51.7. It leads on 7 of 9 benchmarks, including Latch, and Qwen3.8-27B on 2, including Foresight. Gemini 4 Argon scores higher on Newton's Mirror, with its largest category advantage in reflections.

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All results ↗
All results ↗

Overall StealthMark

67.4/100Overall rank 5/53
51.7/100Overall rank 14/53

General Intelligence

63.6/100
46.2/100

Visual Intelligence

74.4/100
61.4/100

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

  • Gemini 4 Argon
  • Qwen3.8-27B
  • Other models
  • Median

DATASHEET

Specs and pricing

Gemini 4 Argon scores higher on StealthMark and runs 1.8× faster in our speed test. Qwen3.8-27B is 5.9× cheaper per output token. Both take about 1M tokens of context.

  • Gemini 4 Argon
  • Qwen3.8-27B
  • Other models
  • Median
PricePer 1M output tokens, input below
Gemini 4 Argon: $10$2 inputQwen3.8-27B: $1.705.9× cheaper$0.42 input
Context windowTokens per request, max output below
Gemini 4 Argon: 1MTied1M max outputQwen3.8-27B: 1MTied128K max output
Output speedTokens per second, our measurement
Gemini 4 Argon: 1441.8× fastertokens/sQwen3.8-27B: 78tokens/s
SizeTotal and active parameters
Gemini 4 Argon: Not disclosedQwen3.8-27B: 27BAll activeEstimated
Developer
GoogleQwen
Released
13 Oct 202614 Aug 2026
Origin
United StatesChina
Input → output
Text, image, audio, video, PDF → textText, image, video → text
Architecture
Sparse mixture-of-experts (MoE) transformer with native multimodal inputsDense causal language model with vision encoder; hybrid Gated DeltaNet and gated attention; MTP-trained

Full datasheets, every price and sourceGemini 4 Argon ↗Qwen3.8-27B ↗

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.

Gemini 4 Argon 48.6/100Rank 19/47

Survived 1 of 3
Foresight: complete playing field
Level 36 ptsTurn 7 / 20

Qwen3.8-27B 63.0/100Rank 7/47

Survived 1 of 3
Foresight: complete playing field
Level 311 ptsTurn 16 / 20

Points per level

LevelGemini 4 ArgonQwen3.8-27B
Level 1Second Thoughts
26 ptsSurvived
26 ptsSurvived
Level 2Pressure Pot
9 ptsOut of lives
12 ptsOut of lives
Level 3Hide or Flight
6 ptsOut of lives
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.

Gemini 4 Argon 82.6/100Rank 6/48

Cleared 5 of 5
Latch: complete playing field
Level 520.6 ptsTurn 27 / 40

Qwen3.8-27B 38.6/100Rank 28/48

Cleared 2 of 5
Latch: complete playing field
Level 515.8 ptsTurn 31 / 40

Points per level

LevelGemini 4 ArgonQwen3.8-27B
Level 1Hold the door
5.2 ptsCleared
5.2 ptsCleared
Level 2Crossfeed
9.8 ptsCleared
9.8 ptsCleared
Level 3Relay vault
19.2 ptsCleared
11.2 ptsFinished early
Level 4Passing bay
18.2 ptsClearedFinished early · 3 beacons left
13.2 ptsFinished early
Level 5Second thoughts
20.6 ptsCleared
15.8 ptsFinished early

Newton's Mirror

Same task instructions

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

The judgment

Gemini 4 Argon

The central sphere, separate airborne black blob, flattened cyan contact and displaced crimson aftermath support the principal camera and physical-state requirements. Open lateral lanes and initial reflection placements provide partial optical structure, but missing outer chains, sparse nested imagery and incomplete emitter mappings remain substantial limitations. The raised crimson mass also weakens paint-scale fidelity.

Qwen3.8-27B

The room fills the complete 16:9 frame without visible borders or labels. Central placement fits the wider frame, and the paint colors follow the expected vertical order. Bilateral side images, diminishing echoes and an overlapping floor image provide limited mirror depth. Broad sphere surfaces lack ordered nested room imagery, while planar panel sequences and outer chains remain missing or unresolved. Soft highlights do not establish emitter mapping, while paint attachment and transport history are only partly supported.

Score breakdown

CategoryGemini 4 ArgonQwen3.8-27B
State at 600 ms24.5/2523.0/25
Camera and placement14.5/1513.0/15
Reflections50.5/12024.0/120
Materials and scale8.5/106.5/10
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

Gemini 4 Argon

An appealing, controlled illustration with a distinctive buoyant silhouette, expressive comic face and rich luminous colour. The full composition and grounded slipper read clearly. The principal limitation is the crowded raised-foot interaction: paws, toes and lining overlap without making the bent leg or tight fit unmistakable.

Qwen3.8-27B

A cohesive emerald-and-gold illustration with a gentle expression, flowing robes, luminous halo and three clearly ringed orbs. Limbs remain connected, and the asymmetric legs communicate floating. The rounded face reads somewhat bear-like; the raised palm faces outward rather than upward, and chest-hand fingers are crowded. Clean ornamentation exceeds the comparatively simple anatomical modeling and shading.

Score breakdown

CategoryGemini 4 ArgonQwen3.8-27B
Task & likeness7.0/108.0/10
Anatomy & construction6.5/107.5/10
Space & placement7.5/108.0/10
Light & reflections7.5/107.5/10
Purposeful detail8.0/108.0/10
Artistry & character7.0/107.5/10
Materials & effects7.0/107.5/10
Visual integrity7.5/108.5/10

Benchmark task

Gemini 4 Argon

A luminous little dragon struggles with its bedtime slippers while a buoyant tail pulls it upward. The scene tests expressive anatomy, physical contact and the contrast between translucent forms and heavy objects.

Qwen3.8-27B

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

Gemini 4 Argon

A coherent, moderately complex Mona Lisa reconstruction with substantial portrait volume, articulated clothing and landscape recession. Specific source features support replication beyond recognition alone. Altered facial likeness, uncertain crossed-hand anatomy and pervasive colored crackle keep the result uneven despite its developed shading and detail.

Qwen3.8-27B

The centered portrait, dark clothing and overlapping hands evoke the Mona Lisa, but replication is weak. The face is excessively elongated, the eyes stare broadly, and the hands reduce to rounded masses with shallow finger marks. Soft shading creates some volume, while the landscape remains indistinct. The precise gold frame is more resolved than the portrait.

Score breakdown

CategoryGemini 4 ArgonQwen3.8-27B
Task & likeness6.5/104.0/10
Anatomy & construction6.5/104.5/10
Space & placement6.5/104.5/10
Light & reflections7.0/105.0/10
Purposeful detail6.0/105.0/10
Artistry & character6.5/105.0/10
Materials & effects7.0/105.0/10
Visual integrity7.0/105.0/10

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

Gemini 4 Argon

A strong decorative beach illustration with controlled color, intricate silhouettes and abundant playful detail. Connected dolphin forms and recognizable equipment support its construction, while the aligned sunset reflection anchors the scene. Compressed wave depth, ambiguous foreground support and uneven reflection specificity limit physical coherence. The saved comparisons support retaining the category assessments.

Qwen3.8-27B

The sweeping palm, glowing sunset and purple-to-orange palette create an appealing beach composition. Birds, animals and reflections fulfill the brief, with clean silhouettes and readable small accents. Schematic anatomy, repetitive shoreline geometry and limited perspective integration constrain depth. Foreground lighting and uniform reflection bars provide atmosphere but little physical coherence.

Score breakdown

CategoryGemini 4 ArgonQwen3.8-27B
Task & likeness9.0/108.5/10
Anatomy & construction7.5/106.5/10
Space & placement8.5/106.0/10
Light & reflections8.5/106.0/10
Purposeful detail9.0/107.0/10
Artistry & character8.0/107.0/10
Materials & effects8.0/106.5/10
Visual integrity8.0/107.0/10

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

Gemini 4 Argon

This benchmark has not been assessed yet.

Qwen3.8-27B

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

Gemini 4 Argon

An accomplished illustration with expressive characters, intricate spray and strong depth. Direct back seating, steering connections and hull-water contact are only partly demonstrated. Clean graphic execution and purposeful detail remain strengths, while shadows and reflections provide limited physical grounding.

Qwen3.8-27B

The raccoon clearly rides on the dog's back, and the dog reaches the jet ski's steering grip. Cheerful expressions, a bright palette and sweeping wake make the action readable. Anatomy and machinery remain simplified, with overlapping paws and limited seat definition. Flat lighting, sparse surface detail and broad white splash shapes limit depth and finish. A clipped gray fragment interrupts the upper-left corner.

Score breakdown

CategoryGemini 4 ArgonQwen3.8-27B
Task & likeness8.5/108.5/10
Anatomy & construction8.0/106.5/10
Space & placement7.5/107.0/10
Light & reflections7.5/105.5/10
Purposeful detail8.5/106.5/10
Artistry & character8.5/106.5/10
Materials & effects8.0/106.5/10
Visual integrity8.0/107.5/10

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

Same task instructions

Subject construction and spatial relationships.

The judgment

Gemini 4 Argon

An expressive, detailed illustration with controlled gradients and coherent environmental depth. Continuous body contours and connected bicycle components establish competent construction. Steering grip and pedal engagement remain less explicit than the decorative details and wheel placement. These contact uncertainties limit action and placement credit without establishing broken anatomy.

Qwen3.8-27B

The pelican’s oversized bill, straw hat and flowing scarf create a distinctive focal character against a well-composed coastal sunset. Wheels and frame are readable, but the wings do not reach the steering, overlapping legs obscure separate pedal contacts, and the crank linkage is unclear. Clean vector shapes and restrained shading support an appealing illustration with limited physical depth.

Score breakdown

CategoryGemini 4 ArgonQwen3.8-27B
Task & likeness9.0/108.0/10
Anatomy & construction8.5/105.5/10
Space & placement8.0/107.0/10
Light & reflections8.0/107.0/10
Purposeful detail8.5/107.5/10
Artistry & character8.5/107.5/10
Materials & effects8.5/106.5/10
Visual integrity8.5/108.0/10

Benchmark task

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