models /

gpt-5.5 scaffold-assembly-v1

Provider: openai · Run at 2026-06-09 · Submission b94214a4

Build Points 93 / 2,461 available
CaSS 39.3%
CBS 17.9%
Coverage 48%
Cost $7.43
Tokens (in/out) 2.09M / 221.6k
Diagnostic row, not ranked. legacy task-set provenance; 29/37 task results

Tier breakdown

The 3-dimension diagnostic matrix for this submission. A tier shows no CBS until the structural prover returns a definitive verdict there.

Tier BOM pass Scope pass Buildability CaSS CBS Coverage n
trivial 100.0% 100.0% 75.0% 100.0% 75.0% 100% 4
easy 100.0% 50.0% 66.7% 50.0% 50.0% 75% 4
medium 100.0% 75.0% 0.0% 75.0% 0.0% 100% 4
hard 100.0% 50.0% 0.0% 50.0% 0.0% 25% 4
stretch 50.0% 0.0% 0.0% 0.0% 0.0% 25% 4
expert 75.0% 0.0% 0.0% 0.0% 0.0% 25% 4
master 0.0% 0.0% 0.0% 0.0% 0% 5

Per-task results

All 29 tasks attempted by this baseline. Click a task to see the same row from every model's perspective.

# Slug Tier CaSS BOM Scope Build Ref sim Iter Tokens Duration Status 3D
0001 flat-plate-5x7 trivial 1 1 1 1 0.000 5 28.1k 2m39s pass 3D
0002 flat-plate-5x5 trivial 1 1 1 1 0.000 4 20.3k 1m26s pass 3D
0003 staggered-column-2x2 trivial 1 1 1 0 0.000 5 21.6k 1m12s pass 3D
0004 hollow-frame-8x8 trivial 1 1 1 1 0.000 6 29.1k 3m01s pass 3D
0005 small-table easy 1 1 1 1 0.000 3 18.7k 1m02s pass 3D
0006 step-pyramid easy 1 1 1 1 0.400 3 9.2k 29.6s pass 3D
0007 simple-gate easy 0 1 0 0 0.000 3 24.3k 59.9s 3D
0008 picture-frame easy 0 1 0 incon. 0.048 10 257.3k 9m17s 3D
0009 minifig-chair medium 1 1 1 0 0.000 4 29.6k 1m15s pass 3D
0010 bookshelf-3-shelf medium 1 1 1 0 0.000 5 68.2k 2m40s pass 3D
0011 simple-bridge medium 0 1 0 0 0.286 3 15.3k 1m18s 3D
0012 square-lantern medium 1 1 1 0 0.429 3 41.7k 3m07s pass 3D
0013 farm-tractor hard 1 1 1 incon. 0.024 12 248.0k 5m46s pass 3D
0014 rolling-cart hard 0 1 0 incon. 0.000 18 141.1k 4m06s 3D
0015 drawbridge hard 1 1 1 incon. 0.345 5 49.8k 5m34s pass 3D
0016 slatted-bench hard 0 1 0 0 0.000 5 61.6k 4m00s 3D
0017 small-house stretch 0 0 0 incon. 0.000 10 140.4k 8m07s DNC
0018 small-lighthouse stretch 0 1 0 0 0.000 7 54.2k 3m51s 3D
0019 garden-shed stretch 0 0 0 incon. 0.000 12 185.2k 9m39s DNC
0020 fountain-with-pool stretch 0 1 0 incon. 0.036 9 422.8k 6m33s 3D
0021 grand-bridge expert 0 1 0 incon. 0.101 9 120.3k 7m35s 3D
0022 manor-house expert 0 1 0 incon. 0.109 6 118.0k 9m41s 3D
0023 clock-tower expert 0 1 0 0 0.027 7 73.2k 2m35s 3D
0024 grand-fountain expert 0 0 0 incon. 0.000 9 122.5k 20m14s DNC
0025 mosaic-smiley master 0 0 0 incon. 0.000 1 0 17m36s DNC
0026 voxel-tree master 0 0 0 incon. 0.000 2 2.1k 20m18s DNC
0027 grand-mosaic-sunset master 0 0 0 incon. 0.000 3 6.0k 8m28s DNC
0028 mega-voxel-rocket master 0 0 0 incon. 0.000 1 0 10m47s DNC
0029 colossal-mosaic-grid master 0 0 0 incon. 0.000 1 0 15m13s DNC

Submitted BOMs

The final BOM the model emitted on each task it attempted.

#0001 flat-plate-5x7 trivial CaSS 1

White 5x7 bonded flat surface
part_num color_id qty
3032 15 2
3666 15 1
3710 15 1
3024 15 1
total pieces 5

#0002 flat-plate-5x5 trivial CaSS 1

Red 5x5 Flat Surface
part_num color_id qty
3031 4 2
3710 4 2
3024 4 1
total pieces 5

#0003 staggered-column-2x2 trivial CaSS 1

Red staggered 2x2 column, 13 bricks tall
part_num color_id qty
3004 4 26
total pieces 26

#0004 hollow-frame-8x8 trivial CaSS 1

8x8 Hollow Square Frame
part_num color_id qty
3460 0 2
3666 0 2
3023 0 4
total pieces 8

#0005 small-table easy CaSS 1

Minifigure Clearance Table
part_num color_id qty
3031 70 1
3005 0 12
total pieces 13

#0006 step-pyramid easy CaSS 1

Tan 3-Step Pyramid
part_num color_id qty
3958 19 1
3031 19 1
3022 19 1
total pieces 3

#0007 simple-gate easy CaSS 0

Simple Red Gate
part_num color_id qty
3005 4 10
3009 4 1
total pieces 11

#0008 picture-frame easy CaSS 0

Hinged Desk Picture Frame
part_num color_id qty
3036 70 1
3032 15 1
3666 70 2
3710 70 2
3937 70 1
3938 70 1
3020 70 1
3034 70 1
total pieces 10

#0009 minifig-chair medium CaSS 1

Minifigure High Chair
part_num color_id qty
3005 70 8
11212 70 1
3622 70 1
total pieces 10

#0010 bookshelf-3-shelf medium CaSS 1

Brown Bookshelf
part_num color_id qty
3009 6 9
3622 6 12
3010 6 6
total pieces 27

#0011 simple-bridge medium CaSS 0

Small Stone Footbridge
part_num color_id qty
3003 71 8
3029 71 1
6112 71 2
total pieces 11

#0012 square-lantern medium CaSS 1

4x4 Dark Grey Lantern
part_num color_id qty
3031 72 2
3010 72 6
3004 72 10
3005 72 8
total pieces 26

#0013 farm-tractor hard CaSS 1

green farm tractor
part_num color_id qty
3795 2 1
3020 2 2
3710 2 2
3023 2 2
3004 2 2
3003 2 1
3039 2 1
3023 71 1
4079 0 1
3829c01 0 1
4488 0 1
32064a 0 2
3705 0 1
44293c01 71 2
55981c01 4 2
total pieces 22

#0014 rolling-cart hard CaSS 0

Small rolling open-top cart
part_num color_id qty
3032 72 1
3666 4 2
3023 4 2
4085a 0 1
4870 71 2
30027a 15 4
30028 0 4
total pieces 16

#0015 drawbridge hard CaSS 1

Small Castle Drawbridge
part_num color_id qty
3034 72 1
3004 71 20
2429 71 1
2430 70 1
3032 70 1
total pieces 24

#0016 slatted-bench hard CaSS 0

Slatted Park Bench
part_num color_id qty
60479 70 4
60479 308 4
3031 72 3
3010 0 8
3039 0 2
total pieces 21

#0017 small-house DNC

timeout after 480000ms

#0018 small-lighthouse stretch CaSS 0

6x6 Striped Lighthouse
part_num color_id qty
3958 71 2
3958 0 1
92947 4 6
92947 15 6
3633 0 4
4864a 47 4
3031 0 1
3942a 0 1
total pieces 25

#0019 garden-shed DNC

timeout after 480000ms

#0020 fountain-with-pool stretch CaSS 0

Square Garden Fountain
part_num color_id qty
3033 71 1
3030 71 1
6111 72 2
3008 72 2
3069b 41 30
92947 71 4
3960 71 1
3062b 41 4
total pieces 45

#0021 grand-bridge expert CaSS 0

Grand Bonded 20x4 Bridge
part_num color_id qty
3020 71 12
3031 71 4
3022 71 3
3003 72 15
3062a 0 20
total pieces 54

#0022 manor-house expert CaSS 0

Two-Bay Manor House
part_num color_id qty
91405 2 1
91405 71 1
91405 4 1
3010 15 68
3004 15 30
3005 15 12
30179 15 1
3644 4 1
60592 15 4
60601 40 4
3039 4 32
total pieces 155

#0023 clock-tower expert CaSS 0

Tall Clock Tower
part_num color_id qty
41539 71 1
3031 71 1
92947 71 18
3005 47 4
3942a 4 1
total pieces 25

#0024 grand-fountain DNC

adapter error: fetch failed

#0025 mosaic-smiley DNC

adapter error: fetch failed

#0026 voxel-tree DNC

adapter error: fetch failed

#0027 grand-mosaic-sunset DNC

timeout after 480000ms

#0028 mega-voxel-rocket DNC

adapter error: fetch failed

#0029 colossal-mosaic-grid DNC

adapter error: fetch failed

Run metadata

Submission IDb94214a4-e987-4f1f-b65a-329839ff5f7b
Protocolscaffold-assembly-v1
Protocol hashsha256:394f2d859fafd42d0ac144c5f251e68ea2e7f4c06da48bf733e1c2505055ee9c
Run at2026-06-09T19:27:47.869Z
Total duration188m27s
Adapter healthok