← mecheval / run / a2-stepped-block-01 / claude-direct-claude-haiku-4-5-20251001 / 20260428T211835Z-6f1a

run 20260428T211835Z-6f1a

a2-stepped-block-01 · claude-direct-claude-haiku-4-5-20251001

Summary

statusfail
score0.00 (0/4)
submissionself-run
modelclaude-direct-claude-haiku-4-5-20251001 (anthropic)
started2026-04-28T21:18:35.868Z
ended2026-04-28T21:18:38.609Z
tokens705 in · 433 out · 1,138 total
wallclock2.7s
tool calls1
task hashf89fc615a163d859…
vcad hashf198bc88eb444e1a…

Prompt

Start with a rectangular block 50mm long (X) × 30mm wide (Y) × 20mm tall (Z), centered in X and Y with the bottom face on the XY plane (so it spans x in [-25, 25], y in [-15, 15], z in [0, 20]). Cut away the upper +X corner: remove material in the region x in [0, 25], y in [-15, 15], z in [10, 20]. The result has an L-shape when viewed from +Y. Output a single solid.

Checks

0
valid_solid
fail
solid invalid
params + details
params: {
  "type": "valid_solid"
}

details: {
  "error": "parse: Invalid JSON vcad file: invalid value: expected key to be a number in quotes at line 4 column 5",
  "reason": "fatal evaluation error"
}
1
bbox
fail
? off by 0.00mm
params + details
params: {
  "type": "bbox",
  "min": [
    -25,
    -15,
    0
  ],
  "max": [
    25,
    15,
    20
  ],
  "tolerance_mm": 0.05
}

details: {
  "reason": "no valid solid to measure"
}
2
mass_props
fail
mass props off
params + details
params: {
  "type": "mass_props",
  "volume_mm3": 22500,
  "tolerance_pct": 0.1
}

details: {
  "reason": "no valid solid to measure"
}
3
step_roundtrip
fail
STEP roundtrip failed
params + details
params: {
  "type": "step_roundtrip",
  "tolerance_pct": 0.1
}

details: {
  "reason": "no valid solid to round-trip"
}

Tool calls

0
anthropic.messages.create
ok
2736ms
args
{
  "model": "claude-haiku-4-5-20251001",
  "max_tokens": 8000,
  "system_chars": 1632,
  "user_chars": 431
}

What the model built

no render available — vcad-render did not produce geometry for this attempt

.vcad source

{
  "version": "0.1",
  "nodes": {
    "main_block": {
      "id": 0,
      "name": "main_block",
      "op": {
        "type": "Cube",
        "size": {"x": 50, "y": 30, "z": 20}
      }
    },
    "main_block_centered": {
      "id": 1,
      "name": "main_block_centered",
      "op": {
        "type": "Translate",
        "child": 0,
        "offset": {"x": -25, "y": -15, "z": 0}
      }
    },
    "cutaway_block": {
      "id": 2,
      "name": "cutaway_block",
      "op": {
        "type": "Cube",
        "size": {"x": 25, "y": 30, "z": 10}
      }
    },
    "cutaway_block_positioned": {
      "id": 3,
      "name": "cutaway_block_positioned",
      "op": {
        "type": "Translate",
        "child": 2,
        "offset": {"x": 0, "y": -15, "z": 10}
      }
    },
    "stepped_block": {
      "id": 4,
      "name": "stepped_block",
      "op": {
        "type": "Difference",
        "left": 1,
        "right": 3
      }
    }
  },
  "materials": {},
  "part_materials": {},
  "roots": [{"root": 4, "material": "default"}]
}

generated 2026-06-19T01:47:55.703Z · static site, regenerate with npm run build -w @mecheval/leaderboard