Claude Haiku 4.5 → CadQuery
B · Engineering-Aidedcomposite 47.8 [43.3, 52.0]p5 0.0IRT θ 1.7
Anthropic + CadQuery 2.4· vhaiku-4.5 + cadquery 2.4· released 2025-10-15· LLM+CadQuery· emits CadQuery· proprietary· 200k ctx· $0.001/$0.005 per 1k tok
Cost-floor entry. Still passes most L1 primitive tasks but degrades sharply on GD&T and standards. Useful as a 'can a small model do this at all?' canary.
solid: agent · dashed: human baseline
PER-CATEGORY SCORE (95 % CI)
Geometric Primitives
60.0
Boolean Robustness
31.3
BREP Fidelity
57.6
Free-form Surfaces
79.1
Parametric Mechanical Parts
51.5
Assembly & Mating
28.3
Standards Compliance
42.1
Sheet-Metal Bodies
55.1
Sealing-Groove Design
38.8
Kinematic Mechanisms
47.3
DFM · 3-Axis CNC
38.9
DFM · Injection Mould
40.2
DFM · FDM 3D Print
62.8
CAM Toolpath Validity
47.3
Constraint Solving & Editability
48.9
Reverse Engineering
48.1
2-D Sketch Constraints
71.0
Functional Intent · FEA-Gated
40.8
Paraphrase Robustness
71.5
Confidence Calibration
35.7
MEAN METRICS BY LAYER
L1 · Geometry
| Category | Vol IoU | Chamfer | Hausdorff | NormCons | Watert. | Manif. | Euler | STEP RT | P@1 |
|---|---|---|---|---|---|---|---|---|---|
| Geometric Primitives | 0.367 | 0.161 | — | — | — | 0.662 | — | — | — |
| Boolean Robustness | 0.322 | — | — | — | — | 0.729 | — | — | — |
| BREP Fidelity | — | — | — | — | — | 0.907 | — | 0.168 | — |
| Free-form Surfaces | — | 0.332 | 1.558 | 0.727 | — | — | — | — | — |
L2 · Engineering
| Category | Dim RMSE | GD&T | FeatRec | Mating | Fit-Cls | Std |
|---|---|---|---|---|---|---|
| Parametric Mechanical Parts | 0.338 | 0.374 | 0.510 | — | — | — |
| Assembly & Mating | — | — | 0.496 | 0.399 | 0.167 | — |
| Standards Compliance | — | 0.384 | — | — | — | 0.457 |
| Sheet-Metal Bodies | 0.324 | — | 0.542 | — | — | — |
| Sealing-Groove Design | 0.297 | — | — | — | — | 0.460 |
| Kinematic Mechanisms | — | — | 0.514 | 0.395 | — | — |
L3 · Manufacturing
| Category | DFM | Draft | Min-Wall | CAM-Reach | Supp | Wall-Unif |
|---|---|---|---|---|---|---|
| DFM · 3-Axis CNC | 68.633 | — | 0.457 | 0.412 | — | — |
| DFM · Injection Mould | — | 0.371 | 0.424 | — | — | 0.411 |
| DFM · FDM 3D Print | 69.367 | — | 0.434 | — | 0.486 | — |
| CAM Toolpath Validity | — | — | — | 0.422 | — | — |
L4 · Cognition
| Category | ParamEdit | ConSolve | P-Range | FEA-σ | Para σ | Seed σ | Brier | EditLat |
|---|---|---|---|---|---|---|---|---|
| Constraint Solving & Editability | 0.524 | 0.520 | 0.423 | — | — | — | — | — |
| Reverse Engineering | — | — | — | — | — | — | — | — |
| 2-D Sketch Constraints | — | 0.507 | — | — | — | — | — | — |
| Functional Intent · FEA-Gated | — | — | — | 0.279 | — | — | — | — |
| Paraphrase Robustness | — | — | — | — | 0.060 | 0.054 | — | — |
| Confidence Calibration | — | — | — | — | — | — | 0.143 | — |
TASK-BY-TASK ARTIFACTS
PRIM-001Hollow cylinder (60 × 40 × 100)0.5730.00PRIM-007Right hexagonal prism with pitch fillet0.0000.00BOOL-003Coplanar-face union (knife-edge stress)0.3220.00BOOL-009High-genus subtraction (lattice block)0.0000.00BREP-004NURBS-handle goblet (G2 swept loft)0.4470.00SURF-002Compressor blade (NACA 65-(12)10)0.2810.00MECH-014L-bracket with M6 + slotted hole0.5130.00MECH-022Stepped shaft with retaining-ring groove0.4090.00MECH-027Planetary-gear carrier plate0.2430.00ASM-005Pin-in-hole, H7/g6 sliding fit0.3500.00ASM-011Dovetail slide (60° flanks)0.0000.00STD-002ISO 4762 M8×30 socket-head cap screw0.3500.00SHEET-003U-channel bracket, 1.5 mm Al, k=0.400.4940.00SEAL-001AS568-214 face-seal groove0.2690.00KIN-002Four-bar linkage, Grashof crank-rocker0.2290.00DFMCNC-0023-ax-machinable manifold block0.3190.00DFMMOLD-002Injection-mouldable enclosure half0.3000.00DFMFDM-008FDM-printable hinge (no support)0.3310.00CAM-0015-pocket plate, Ø3 endmill finish0.3260.00PARAM-006Editable flange (bolt circle param sweep)0.5330.00PARAM-013Editable bracket (length+30 %, hole→M8)0.3650.00REVENG-002Three-view ortho → bracket0.3340.00REVENG-009Three-view ortho → housing with cores0.1860.00SKETCH-003Tangent-arc transition profile0.5330.00FUNC-001Cantilever bracket — 250 N tip load, 6061-T6, SF≥40.0570.00FUNC-007Heat-sink fin array for 25 W TO-2200.1280.00PARA-0015× paraphrased L-bracket0.5170.00CAL-003Confidence-calibrated planetary carrier0.3550.00PRIM-002Sphere with planar cap0.4770.00PRIM-003Right truncated cone (frustum)0.5370.00PRIM-004Square-base pyramid frustum0.4780.00PRIM-005Tilted-axis box (30°)0.0000.00PRIM-009Hollow torus (Ø100 mean × Ø8 tube, 1 mm wall)0.5060.00BOOL-001Tangent cylinder onto cube (line-of-contact)0.4170.00BOOL-002Two interpenetrating spheres (lens intersection)0.4700.00BOOL-005ε-offset extrusion (sliver-face stress)0.4010.00BREP-001Periodic-spline cylinder (closed in U)0.4050.00BREP-002G1-only loft (tangent discontinuity)0.2380.00BREP-007Trimmed sphere with hole through pole0.4230.00SURF-001Ergonomic mug handle (revolved spline)0.3400.00SURF-007Mouse top-shell (Class-A)0.1800.00MECH-002Bearing block — two 6204 deep-groove bearings0.3100.00MECH-005Cam-follower lever (eccentric pivot)0.5210.00MECH-018Heat-set insert boss array (4× M3)0.4710.00MECH-031Threaded cap with diamond knurl0.4480.00ASM-001Threaded coupling M16×1.5 (male+female pair)0.2220.00ASM-008Spline shaft + hub (DIN 5480 W25×1.25×18)0.3400.00ASM-013Bayonet quarter-turn mount0.2450.00STD-001ISO 7050 self-tapping screw ST4.2 × 160.3490.00STD-005ISO 8734 dowel pin Ø6 m6 × 300.4940.00STD-008ASME B18.6.3 button-head 1/4-20 × 5/80.3150.00SHEET-001Box-pan with corner relief cuts0.3650.00SHEET-0073-bend electronics chassis0.4320.00SEAL-004AS568-218 piston-type radial groove0.0000.00SEAL-007ISO 3601-2 quad-ring face groove0.4550.00KIN-005Geneva drive — 4 station0.3450.00KIN-008Planetary gearset full mesh (sun + 3 planets + ring)0.2470.00DFMCNC-0054-pocket plate, R 0.5 internal corners0.3980.00DFMCNC-009Long-aspect bracket (vise-fixturable)0.0000.00DFMCNC-0135-axis-only fish-mouth saddle0.3180.00DFMMOLD-005Telephone handset shell0.3560.00DFMFDM-002Bridge-test calibration cube0.4500.00DFMFDM-011Print-in-place hinge0.3610.00CAM-005T-slot pocket array (Ø 8 + Ø 4 endmills)0.4250.00PARAM-009Configurable bottle (height + cap params)0.4020.00REVENG-005ABC dataset stepped pulley (multi-view)0.2800.00SKETCH-014Symmetric four-bar profile0.5080.00FUNC-003Heat-sink for 60 W CoB LED0.1810.00PARA-0055× paraphrased planetary carrier0.4850.00CAL-007Confidence-bracketed mounting flange0.3400.00