Luma Payroll Gym
← Heatmap / Gemini 3.1 Flash Lite · Task 69
Gemini 3.1 Flash Lite · Single-turn · Task 69 (Calculation, middle bracket) Mean 100.0%
Field Expected Rollout #1 (100%) Rollout #2 (100%) Rollout #3 (100%)
decision calculate calculate calculate calculate
currency LCR LCR LCR LCR
gross pay 3357.30 3357.30 3357.30 3357.30
employee contribution 268.58 268.58 268.58 268.58
allowed deduction 393.61 393.61 393.61 393.61
taxable pay 2695.11 2695.11 2695.11 2695.11
income tax 209.32 209.32 209.32 209.32
net pay 2485.79 2485.79 2485.79 2485.79
clauses R1 R2 R3 R4 R5 R6 R1 R2 R3 R4 R5 R6 R1 R2 R3 R4 R5 R6 R1 R2 R3 R4 R5 R6
Prompt
Process this monthly payroll record under the supplied rulebook. Return the R6 or R7 JSON answer.
Source documents: {"dd64ca58a74f968f-payroll": {"kind": "payroll", "record": {"gross_pay": "3357.30", "payroll_month": "2026-01", "allowed_deduction": "393.61"}}, "dd64ca58a74f968f-contract": {"kind": "contract", "gross_pay": "3357.30"}}
Authoritative case reference schedule: {"first-half": {"rate": "0.08", "cap": "4500.00", "deduction": "400.00", "free": "1200.00", "upper": "3300.00", "middle_rate": "0.14", "upper_rate": "0.24"}, "second-half": {"rate": "0.06", "cap": "5000.00", "deduction": "400.00", "free": "900.00", "upper": "3000.00", "middle_rate": "0.12", "upper_rate": "0.20"}}
Rollouts
Rollout #1 100.0% passed · 1.0s · $0.0008
ComponentScoreClauses
decision 100.0% R1 R2 R3 R4 R5 R6
exact 100.0% R1 R2 R3 R4 R5 R6
field accuracy 100.0% R1 R2 R3 R4 R5 R6
citations 100.0% R1 R2 R3 R4 R5 R6
Assistant
{
  "decision": "calculate",
  "currency": "LCR",
  "gross_pay": "3357.30",
  "employee_contribution": "268.58",
  "allowed_deduction": "393.61",
  "taxable_pay": "2695.11",
  "income_tax": "209.32",
  "net_pay": "2485.79",
  "clauses": ["R1", "R2", "R3", "R4", "R5", "R6"]
}
Rollout #2 100.0% passed · 1.2s · $0.0009
ComponentScoreClauses
decision 100.0% R1 R2 R3 R4 R5 R6
exact 100.0% R1 R2 R3 R4 R5 R6
field accuracy 100.0% R1 R2 R3 R4 R5 R6
citations 100.0% R1 R2 R3 R4 R5 R6
Assistant
{
  "decision": "calculate",
  "currency": "LCR",
  "gross_pay": "3357.30",
  "employee_contribution": "268.58",
  "allowed_deduction": "393.61",
  "taxable_pay": "2695.11",
  "income_tax": "209.32",
  "net_pay": "2485.79",
  "clauses": ["R1", "R2", "R3", "R4", "R5", "R6"],
  "explanation": "Calculated using the authoritative schedule for the first-half (rate 0.08, cap 4500.00, deduction 400.00, free 1200.00, upper 3300.00, middle_rate 0.14, upper_rate 0.24)."
}
Rollout #3 100.0% passed · 1.0s · $0.0008
ComponentScoreClauses
decision 100.0% R1 R2 R3 R4 R5 R6
exact 100.0% R1 R2 R3 R4 R5 R6
field accuracy 100.0% R1 R2 R3 R4 R5 R6
citations 100.0% R1 R2 R3 R4 R5 R6
Assistant
{
  "decision": "calculate",
  "currency": "LCR",
  "gross_pay": "3357.30",
  "employee_contribution": "268.58",
  "allowed_deduction": "393.61",
  "taxable_pay": "2695.11",
  "income_tax": "209.32",
  "net_pay": "2485.79",
  "clauses": ["R1", "R2", "R3", "R4", "R5", "R6"]
}