← Heatmap / GPT 5.6 Luna · Task 8
GPT 5.6 Luna* · Single-turn · Task 8 (Calculation, half-cent rounding tie, resolved amendment)
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 | 1778.50 | 1778.50 | 1778.50 | 1778.50 |
| employee contribution | 124.50 | 124.50 | 124.50 | 124.50 |
| allowed deduction | 0.00 | 0.00 | 0.00 | 0.00 |
| taxable pay | 1654.00 | 1654.00 | 1654.00 | 1654.00 |
| income tax | 77.56 | 77.56 | 77.56 | 77.56 |
| net pay | 1576.44 | 1576.44 | 1576.44 | 1576.44 |
| clauses | R1 R2 R3 R4 R5 R6 R9 | R1 R2 R3 R4 R5 R6 R9 | R1 R2 R3 R4 R5 R6 R9 | R1 R2 R3 R4 R5 R6 R9 |
Prompt
Process this monthly payroll record under the supplied rulebook. Return the R6 or R7 JSON answer.
Source documents: {"e1069c99b8f7bcf9-payroll": {"kind": "payroll", "record": {"gross_pay": "1778.50", "payroll_month": "2026-07", "allowed_deduction": "0.00"}}, "e1069c99b8f7bcf9-contract": {"kind": "contract", "gross_pay": "2254.61"}, "e1069c99b8f7bcf9-amendment": {"kind": "amendment", "gross_pay": "1778.50", "approved": true, "effective_month": "2026-04"}}
Authoritative case reference schedule: {"first-half": {"rate": "0.07", "cap": "5000.00", "deduction": "400.00", "free": "1000.00", "upper": "3300.00", "middle_rate": "0.14", "upper_rate": "0.24"}, "second-half": {"rate": "0.07", "cap": "4000.00", "deduction": "400.00", "free": "1100.00", "upper": "3300.00", "middle_rate": "0.14", "upper_rate": "0.22"}}
Rollouts
Rollout #1 100.0% passed · 4.1s · $0.0004
| Component | Score | Clauses |
|---|---|---|
| decision | 100.0% | R1 R2 R3 R4 R5 R6 R9 |
| exact | 100.0% | R1 R2 R3 R4 R5 R6 R9 |
| field accuracy | 100.0% | R1 R2 R3 R4 R5 R6 R9 |
| citations | 100.0% | R1 R2 R3 R4 R5 R6 R9 |
Assistant
{
"decision": "calculate",
"currency": "LCR",
"gross_pay": "1778.50",
"employee_contribution": "124.50",
"allowed_deduction": "0.00",
"taxable_pay": "1654.00",
"income_tax": "77.56",
"net_pay": "1576.44",
"clauses": ["R1", "R2", "R3", "R4", "R5", "R6", "R9"]
}
Rollout #2 100.0% passed · 3.6s · $0.0003
| Component | Score | Clauses |
|---|---|---|
| decision | 100.0% | R1 R2 R3 R4 R5 R6 R9 |
| exact | 100.0% | R1 R2 R3 R4 R5 R6 R9 |
| field accuracy | 100.0% | R1 R2 R3 R4 R5 R6 R9 |
| citations | 100.0% | R1 R2 R3 R4 R5 R6 R9 |
Assistant
{
"decision": "calculate",
"currency": "LCR",
"gross_pay": "1778.50",
"employee_contribution": "124.50",
"allowed_deduction": "0.00",
"taxable_pay": "1654.00",
"income_tax": "77.56",
"net_pay": "1576.44",
"clauses": ["R1", "R2", "R3", "R4", "R5", "R6", "R9"]
}
Reasoning
**Calculating deductions and taxes** I need to calculate the figures for the second half of the month. The gross amount is 1778.50, and the contribution is calculated as 0.07 times the minimum of gross or 4000, which gives me about 124.50 after rounding. After deductions, the taxable income comes to 1654.00. There's a tax-free portion of 1100, with excess amounting to 554 taxed at 0.14, totaling 77.56. Lastly, the net ends up at 1576.44. I also note additional amendments and required fields for clarity.
Rollout #3 100.0% passed · 3.1s · $0.0003
| Component | Score | Clauses |
|---|---|---|
| decision | 100.0% | R1 R2 R3 R4 R5 R6 R9 |
| exact | 100.0% | R1 R2 R3 R4 R5 R6 R9 |
| field accuracy | 100.0% | R1 R2 R3 R4 R5 R6 R9 |
| citations | 100.0% | R1 R2 R3 R4 R5 R6 R9 |
Assistant
{
"decision": "calculate",
"currency": "LCR",
"gross_pay": "1778.50",
"employee_contribution": "124.50",
"allowed_deduction": "0.00",
"taxable_pay": "1654.00",
"income_tax": "77.56",
"net_pay": "1576.44",
"clauses": ["R1", "R2", "R3", "R4", "R5", "R6", "R9"]
}