Beam 1.0 501B A23B 49.4/100Rank 18/47

STEALTHMARK · HEAD TO HEAD
All comparisons ↗GPT-6 Astra leads Beam 1.0 501B A23B by 42.8 points on StealthMark, 74.7 to 31.9. It leads on all 9 benchmarks. GPT-6 Astra scores higher on Newton's Mirror, with its largest category advantage in reflections.
See the difference ↘On every task, result quality and reasoning tokens are each compared with all measured models and weighed equally. Each dot is one model.
BENCHMARK BY BENCHMARK
DATASHEET
Beam 1.0 501B A23B is 50× cheaper per output token and runs 15× faster in our speed test. GPT-6 Astra scores higher on StealthMark. Both take about 1M tokens of context.
Full datasheets, every price and sourceBeam 1.0 501B A23B ↗GPT-6 Astra ↗
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.


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.


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


Beam 1.0 501B A23B
Central object placement is fairly close, but the defining mirrored-room structure is missing. The paint colors suggest the required contact order without establishing their different interaction histories. The faint floor oval does not demonstrate valid reflection geometry, so it earns no reflection credit. Rounded volume and glossy paint provide limited material credit despite weak metallic finishes and oversized paint bodies.
GPT-6 Astra
Major placement and the visible contact sequence are convincing. Dense planar light repetition, recognizable spherical panel images and simplified nested sphere motifs provide useful optical structure. Missing outer chains, truncated distant sequences and incorrect bead-like belts still leave the recursive reflections substantially incomplete.
| Category | Beam 1.0 501B A23B | GPT-6 Astra |
|---|---|---|
| State at 600 ms | 20.5/25 | 25.0/25 |
| Camera and placement | 11.5/15 | 15.0/15 |
| Reflections | 2.0/120 | 70.0/120 |
| Materials and scale | 3.0/10 | 10.0/10 |
| Floor-damage reward | 0.0/10 | 0.0/10 |
A spinning metal sphere and paint in a mirrored room test physical reasoning, perspective and consistency across repeated reflections.
Visual construction and creative interpretation.


Beam 1.0 501B A23B
An appealing expression and warm palette support a coherent simple cartoon. The central polishing joke is not legible: the cloth is unresolved and the nose sits away from the fan. Pointed radial plates, uncertain limb attachments and weak ground contact limit construction, while restrained surface detail limits material richness.
GPT-6 Astra
The sixfold silhouette, pale coloring, outward heads and central hexagon closely match the brief. Fine scales and soft shading support rounded volume. However, several crossings have conspicuous rectangular seams and weak contact shadows, making the weave feel assembled. Small heads have limited anatomical definition, and the repetitive texture conveys less organic life than requested.
| Category | Beam 1.0 501B A23B | GPT-6 Astra |
|---|---|---|
| Task & likeness | 4.0/10 | 9.0/10 |
| Anatomy & construction | 3.5/10 | 8.0/10 |
| Space & placement | 5.5/10 | 7.5/10 |
| Light & reflections | 5.5/10 | 7.0/10 |
| Purposeful detail | 4.5/10 | 8.0/10 |
| Artistry & character | 4.0/10 | 8.5/10 |
| Materials & effects | 4.5/10 | 8.0/10 |
| Visual integrity | 7.0/10 | 8.5/10 |
Beam 1.0 501B A23B
A golden pangolin polishes its oversized amber tail while its nose smudges the same scale. The scene tests expressive anatomy, physical contact and contrasting translucent, polished and soft materials.
GPT-6 Astra
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.
Precise visual recall and portrait reconstruction.


Beam 1.0 501B A23B
The candidate shows a faint warm oval against an almost entirely black field. Minimal placement and smooth tonal variation are visible, but the portrait, anatomy, crossed hands and landscape remain unreadable. The saved comparisons provide no specific evidence supporting a change to the baseline categories.
GPT-6 Astra
The crossed hands, restrained smile, dark clothing and hazy landscape clearly recall the Mona Lisa. Replication is limited by the frontal, elongated face, schematic eyes and stiff fingers. Soft shading gives basic volume, but broad garment shapes and angular scenery lack the original’s nuanced depth and painterly transitions. The frame and composition are controlled; surface grain adds texture without resolving the simplified drawing.
| Category | Beam 1.0 501B A23B | GPT-6 Astra |
|---|---|---|
| Task & likeness | 0.0/10 | 6.5/10 |
| Anatomy & construction | 0.0/10 | 6.5/10 |
| Space & placement | 0.0/10 | 6.5/10 |
| Light & reflections | 0.5/10 | 6.5/10 |
| Purposeful detail | 0.0/10 | 6.5/10 |
| Artistry & character | 0.0/10 | 7.0/10 |
| Materials & effects | 0.0/10 | 7.0/10 |
| Visual integrity | 0.0/10 | 7.5/10 |
An SVG interpretation of the Mona Lisa tests facial likeness, anatomy and the composition of a familiar portrait.
Creativity, perspective and visual beauty.


Beam 1.0 501B A23B
A coherent, cheerful beach illustration fulfills the main subjects with clean shapes and a strong sunset focal point. Its basic geometric construction, ambiguous animal anatomy, shallow depth and schematic lighting limit its accomplishment. Decorative details provide interest without developing intricate forms or convincing physical surfaces.
GPT-6 Astra
A richly composed sunset beach illustration with cohesive peach, mauve and teal colors. Sweeping palm fronds, a scalloped umbrella and curved shorelines frame the sun and its aligned reflection. Distinct animal silhouettes and carefully distributed beach details reward inspection. Simplified human and dog anatomy, slight dolphin splash cues and inconsistent equipment shadows limit physical conviction.
| Category | Beam 1.0 501B A23B | GPT-6 Astra |
|---|---|---|
| Task & likeness | 7.0/10 | 9.0/10 |
| Anatomy & construction | 5.0/10 | 7.5/10 |
| Space & placement | 6.0/10 | 8.5/10 |
| Light & reflections | 5.0/10 | 7.5/10 |
| Purposeful detail | 5.5/10 | 8.5/10 |
| Artistry & character | 4.0/10 | 8.5/10 |
| Materials & effects | 5.0/10 | 7.5/10 |
| Visual integrity | 5.0/10 | 7.5/10 |
A busy shoreline at sunset tests scene composition, animal forms and the relationship between light and water reflections.
Physical reasoning, light and visual reconstruction.


Beam 1.0 501B A23B
This benchmark has not been assessed yet.
GPT-6 Astra
This benchmark has not been assessed yet.
A plank, computer mouse and blueberry in a steel room test physical stability, spatial relationships, materials and lighting.
Scene composition and interacting subjects.


Beam 1.0 501B A23B
A cheerful, readable illustration with recognizable animals, expressive faces and useful accessories. Simple rounded construction limits complexity, while ambiguous steering attachments and weak hull-to-water contact reduce physical coherence. Lighting and surface effects establish the setting without convincing environmental interaction.
GPT-6 Astra
Expressive animals, a balanced sunset composition and sweeping wake make an appealing illustration. The raccoon rides the dog's back, and the dog's connected foreleg reaches the controls. The compact steering assembly and layered paws are less clearly constructed. Lighting remains mostly flat, with little shadow or sun reflection. Clean contours and purposeful details support strong illustrative execution.
| Category | Beam 1.0 501B A23B | GPT-6 Astra |
|---|---|---|
| Task & likeness | 5.0/10 | 8.5/10 |
| Anatomy & construction | 3.5/10 | 7.5/10 |
| Space & placement | 5.5/10 | 8.0/10 |
| Light & reflections | 4.0/10 | 6.5/10 |
| Purposeful detail | 6.5/10 | 8.0/10 |
| Artistry & character | 3.5/10 | 7.5/10 |
| Materials & effects | 5.0/10 | 8.0/10 |
| Visual integrity | 6.5/10 | 8.5/10 |
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.
Subject construction and spatial relationships.


Beam 1.0 501B A23B
A cheerful, clearly readable pelican-and-bicycle illustration with clean contours and balanced composition. Simple geometric construction limits artistic complexity, while ambiguous neck and steering overlaps, merged pedal contacts and an incomplete drivetrain weaken physical coherence.
GPT-6 Astra
The pelican's long bill, flowing scarf and warm coastal palette create a charming, balanced illustration. Wheels, spokes and frame are largely coherent, but neither wing reaches the handlebars, and the rear leg's pedal contact is unclear. Flat lighting and simplified surfaces limit depth despite clean outlines and attractive feather detail.
| Category | Beam 1.0 501B A23B | GPT-6 Astra |
|---|---|---|
| Task & likeness | 5.5/10 | 8.0/10 |
| Anatomy & construction | 4.5/10 | 7.0/10 |
| Space & placement | 5.0/10 | 7.5/10 |
| Light & reflections | 4.0/10 | 7.0/10 |
| Purposeful detail | 4.0/10 | 8.0/10 |
| Artistry & character | 4.0/10 | 8.0/10 |
| Materials & effects | 4.0/10 | 7.5/10 |
| Visual integrity | 5.5/10 | 8.0/10 |
A cycling pelican tests anatomy, riding posture and contact between the bird and the bicycle.