STEALTHMARK · HEAD TO HEAD

All comparisons ↗

DeepSeek-V4-Pro-0813 vs GPT-6.1 Terra Low

DeepSeek-V4-Pro-0813 leads GPT-6.1 Terra Low by 0.5 points on StealthMark, 41.8 to 41.3. It leads on 5 of 9 benchmarks, including both games, and GPT-6.1 Terra Low on 4. DeepSeek-V4-Pro-0813 scores higher on Newton's Mirror, with its largest category advantage in camera and placement.

See the difference ↘
All results ↗
All results ↗

Overall StealthMark

41.8/100Overall rank 34/55
41.3/100Overall rank 35/55

General Intelligence

41.6/100
34.3/100

Visual Intelligence

42.3/100
53.1/100

Open or local

Open modelMIT

BENCHMARK BY BENCHMARK

Where each model leads

  • DeepSeek-V4-Pro-0813
  • GPT-6.1 Terra Low
  • Other models
  • Median

DATASHEET

Specs and pricing

  • DeepSeek-V4-Pro-0813
  • GPT-6.1 Terra Low
  • Other models
  • Median
PricePer 1M output tokens, input below
DeepSeek-V4-Pro-0813: $3.82$1.27 inputGPT-6.1 Terra Low: No list price
Context windowTokens per request, max output below
DeepSeek-V4-Pro-0813: 1M384K max outputGPT-6.1 Terra Low: Not published
Output speedTokens per second, our measurement
DeepSeek-V4-Pro-0813: 137tokens/sGPT-6.1 Terra Low: Not measured
SizeTotal and active parameters
DeepSeek-V4-Pro-0813: 1.6T49B activeGPT-6.1 Terra Low: Not disclosed
Developer
DeepSeek-AINot published
Released
13 Aug 2026Not published
Origin
ChinaNot published
Input → output
Text → textNot published
Architecture
Mixture-of-Experts with DeepSeek V4 architecture and DSpark speculative-decoding moduleNot published

Full datasheets, every price and sourceDeepSeek-V4-Pro-0813 ↗

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.

DeepSeek-V4-Pro-0813 42.7/100Rank 23/51

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

GPT-6.1 Terra Low 36.1/100Rank 26/51

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

Points per level

LevelDeepSeek-V4-Pro-0813GPT-6.1 Terra Low
Level 1Second Thoughts
14 ptsOut of lives
4 ptsOut of lives
Level 2Pressure Pot
6 ptsOut of lives
8 ptsOut of lives
Level 3Hide or Flight
9 ptsSurvived
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.

DeepSeek-V4-Pro-0813 71.7/100Rank 17/52

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

GPT-6.1 Terra Low 62.4/100Rank 23/52

Cleared 4 of 5
Latch: complete playing field
Level 520.6 ptsTurn 27 / 40

Points per level

LevelDeepSeek-V4-Pro-0813GPT-6.1 Terra Low
Level 1Hold the door
5.2 ptsCleared
5.2 ptsCleared
Level 2Crossfeed
9.8 ptsCleared
9.2 ptsCleared
Level 3Relay vault
18.8 ptsCleared
18.8 ptsCleared
Level 4Passing bay
17.2 ptsClearedFinished early · 1 beacon left
10.2 ptsFinished early
Level 5Second thoughts
20.6 ptsCleared
20.6 ptsCleared

Newton's Mirror

Same task instructions

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

The judgment

DeepSeek-V4-Pro-0813

The central sphere and gross paint state are coherent. Reduced circular side images and paired overhead quadrilaterals offer limited, spatially organized reflection cues, but the floor-sphere image, receding mirror-room structure, outer chains, nested imagery and curved emitter mappings are largely missing or invalid.

GPT-6.1 Terra Low

Deformed colored paint and a separate airborne black body establish readable interaction history. Cyan has travelled too far, framing differs substantially, and the mirror system supplies only elementary bands and oval copies. Missing recursive geometry, nested spherical imagery and emitter mapping remain the dominant weaknesses.

Score breakdown

CategoryDeepSeek-V4-Pro-0813GPT-6.1 Terra Low
State at 600 ms22.0/2522.0/25
Camera and placement15.0/154.0/15
Reflections11.0/12010.0/120
Materials and scale8.0/106.0/10
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

DeepSeek-V4-Pro-0813

The whale’s warm eye, lavender assistant and tilted shell convey appealing character. However, the shrimp and reciprocal inspection are unresolved, the large bubble and upper tail are cropped, and the flipper’s grip is unclear. Broad competing color fields and conspicuous stepped edges weaken the flowing composition. Gradients suggest volume, but lighting and translucent materials remain uneven.

GPT-6.1 Terra Low

Six attached outward-facing heads, delicate scales and soft ivory shading establish an orderly decorative motif. Separate paddle-shaped bodies replace the required interlocking loops and leave no enclosed central hexagon. Surface detail provides interest, but repeated simple forms, schematic faces and limited anatomical modeling constrain the result.

Score breakdown

CategoryDeepSeek-V4-Pro-0813GPT-6.1 Terra Low
Task & likeness3.0/104.0/10
Anatomy & construction5.0/103.5/10
Space & placement4.0/104.5/10
Light & reflections5.5/105.5/10
Purposeful detail5.5/105.5/10
Artistry & character2.5/105.0/10
Materials & effects5.0/105.5/10
Visual integrity3.0/104.0/10

Benchmark task

DeepSeek-V4-Pro-0813

A whale and a tiny shrimp examine one another through bubble lenses, with an octopus nearby. The scene tests interacting characters, differences in scale and transparent materials.

GPT-6.1 Terra Low

A pale serpent woven into an interlocking knot tests connected anatomy, repeated structure and readable overlaps. Organic surface detail must work with the overall geometry.

Mona Lisa

Different task instructions

Precise visual recall and portrait reconstruction.

The judgment

DeepSeek-V4-Pro-0813

Dark hair, a restrained smile and a hazy landscape make the reference recognizable. Severe construction problems dominate: oversized looping sleeves surround a background-colored opening, and the crossed hands lack coherent wrist and forearm connections. Rigid symmetry and elongated facial proportions weaken expression. Soft skin gradients and clean contours provide limited finish.

GPT-6.1 Terra Low

A recognizable, coherent portrait with purposeful facial detail, warm local volume and layered scenery. The frontal pose, enlarged face, merged hands and shallow clothing construction substantially limit replication and drawing skill. The visible successes support retaining the current assessment.

Score breakdown

CategoryDeepSeek-V4-Pro-0813GPT-6.1 Terra Low
Task & likeness2.0/105.0/10
Anatomy & construction0.5/104.5/10
Space & placement2.0/105.0/10
Light & reflections2.0/106.0/10
Purposeful detail2.0/105.0/10
Artistry & character3.0/105.5/10
Materials & effects1.5/105.0/10
Visual integrity1.0/106.0/10

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

DeepSeek-V4-Pro-0813

The glowing sunset, framing palms and layered shoreline create a coherent beach scene with animals, birds and playful accessories. The airborne blue animal has unclear anatomy, while flat foliage, weak ground contact and broad oval reflections limit depth and finish. The image is appealing but visibly simplified.

GPT-6.1 Terra Low

A coherent sunset scene demonstrates the beach, animals, birds and reflections. Flowing silhouettes, warm color transitions and intact attachments are its strongest properties. Simplified anatomy, the turtle's elevated viewing angle and symbolic surface effects constrain drawing complexity and physical depth.

Score breakdown

CategoryDeepSeek-V4-Pro-0813GPT-6.1 Terra Low
Task & likeness6.5/108.0/10
Anatomy & construction4.0/105.5/10
Space & placement5.5/105.5/10
Light & reflections6.0/106.5/10
Purposeful detail3.5/106.0/10
Artistry & character4.0/105.0/10
Materials & effects6.0/105.5/10
Visual integrity5.0/107.5/10

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

DeepSeek-V4-Pro-0813

This benchmark has not been assessed yet.

GPT-6.1 Terra Low

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

DeepSeek-V4-Pro-0813

The masked raccoon riding the steering dog is readily recognizable, with expressive faces and energetic diagonal movement. The oversized tail dominates the composition, limb connections are difficult to trace, and the jet ski has little structural depth. Blurred spray and a heavy oval shadow weaken water contact, while the glowing sun produces little corresponding illumination.

GPT-6.1 Terra Low

Recognizable animals, a coherent craft and sweeping wake make an appealing cartoon. Basic limb construction, weakly demonstrated raccoon seating and limited shared perspective constrain the scene. Small identifying details work well, while lighting and materials remain broadly graphic.

Score breakdown

CategoryDeepSeek-V4-Pro-0813GPT-6.1 Terra Low
Task & likeness7.0/106.5/10
Anatomy & construction4.5/105.0/10
Space & placement6.0/105.5/10
Light & reflections4.5/104.5/10
Purposeful detail6.0/106.0/10
Artistry & character4.5/105.0/10
Materials & effects5.0/105.0/10
Visual integrity4.0/106.0/10

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

DeepSeek-V4-Pro-0813

A clearly recognizable pelican cycles through a balanced, expressive illustration. The sweeping bill, shaded plumage and carefully drawn wheels give it character. Mechanical construction is weaker: the chain loop sits below the crank, and foot-to-pedal and wing-to-handlebar contact are ambiguous. Smooth gradients provide volume, but the scene remains visibly stylized.

GPT-6.1 Terra Low

A coherent coastal illustration with a distinctive pelican, controlled contours and clearly organised bicycle wheels. Visible saddle support and shaped neck and wing contours earn credit beyond basic geometric construction. Rubbery legs, unresolved pedal contacts and absent steering contact limit the riding action. Lighting and materials remain restrained and spatially shallow.

Score breakdown

CategoryDeepSeek-V4-Pro-0813GPT-6.1 Terra Low
Task & likeness8.0/107.0/10
Anatomy & construction5.0/105.5/10
Space & placement6.5/106.0/10
Light & reflections7.0/105.5/10
Purposeful detail7.0/106.5/10
Artistry & character5.5/106.0/10
Materials & effects7.0/106.0/10
Visual integrity5.0/106.0/10

Benchmark task

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