← Heatmap / Gemini 3.1 Flash Lite · Task 45
Gemini 3.1 Flash Lite · Tool use · Task 45 (Traps, missing month)
Mean -50.0%
| Field | Expected | Rollout #1 (-50%) | Rollout #2 (-50%) | Rollout #3 (-50%) |
|---|---|---|---|---|
| decision | clarify | calculate | calculate | calculate |
| currency | LCR | LCR | LCR | |
| gross pay | 6072.36 | 6072.36 | 6072.36 | |
| employee contribution | 315.00 | 315.00 | 315.00 | |
| allowed deduction | 307.83 | 307.83 | 307.83 | |
| taxable pay | 5449.53 | 5449.53 | 5449.53 | |
| income tax | 706.90 | 706.90 | 706.90 | |
| net pay | 4742.63 | 4742.63 | 4742.63 | |
| reason code | MISSING_PAYROLL_MONTH | |||
| clauses | R1 R7 | 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. Retrieve the case inputs with list_documents and read_document. Reference rows are available only through lookup_reference. Use calculate for exact decimal arithmetic.
Rollouts
Rollout #1 -50.0% answered trap · 4 tool calls · 5.7s · $0.0033
| Component | Score | Clauses |
|---|---|---|
| decision | 0.0% | R1 R7 |
| exact | 0.0% | R1 R7 |
| field accuracy | 0.0% | R1 R7 |
| citations | 0.0% | R1 R7 |
Assistant
list_documents()Tool
[
{"id": "f46dc79c607d7411-payroll", "kind": "payroll"}
]
Assistant
read_document(document_id="f46dc79c607d7411-payroll")Tool
{
"kind": "payroll",
"record": {"gross_pay": "6072.36", "allowed_deduction": "307.83"}
}
Assistant
lookup_reference(reference="first-half")Tool
{
"reference": "first-half",
"months": ["2026-01", "2026-06"],
"rate": "0.07",
"cap": "4500.00",
"deduction": "400.00",
"free": "900.00",
"upper": "3000.00",
"middle_rate": "0.08",
"upper_rate": "0.22"
}
Assistant
calculate(program="employee_contribution = round(min(6072.36, 4500.00) * 0.07, 2)\ntaxable_pay = 6072.36 - employee_contribution - 307.83\ntaxable_above_free = max(0, taxable_pay - 900.00)\ntaxable_above_upper = max(0, taxable_pay - 3000.00)\nincome_tax = round(min(taxable_above_free, 3000.00 - 900.00) * 0.08 + taxable_above_upper * 0.22, 2)\nnet_pay = 6072.36 - employee_contribution - 307.83 - income_tax")Tool
{
"results": {"employee_contribution": "315.00", "taxable_pay": "5449.53", "taxable_above_free": "4549.53", "taxable_above_upper": "2449.53", "income_tax": "706.90", "net_pay": "4742.63"}
}
Assistant
{
"decision": "calculate",
"currency": "LCR",
"gross_pay": "6072.36",
"employee_contribution": "315.00",
"allowed_deduction": "307.83",
"taxable_pay": "5449.53",
"income_tax": "706.90",
"net_pay": "4742.63",
"clauses": ["R1", "R2", "R3", "R4", "R5", "R6"]
}
Rollout #2 -50.0% answered trap · 5 tool calls · 7.1s · $0.0044
| Component | Score | Clauses |
|---|---|---|
| decision | 0.0% | R1 R7 |
| exact | 0.0% | R1 R7 |
| field accuracy | 0.0% | R1 R7 |
| citations | 0.0% | R1 R7 |
Assistant
list_documents()Tool
[
{"id": "f46dc79c607d7411-payroll", "kind": "payroll"}
]
Assistant
read_document(document_id="f46dc79c607d7411-payroll")Tool
{
"kind": "payroll",
"record": {"gross_pay": "6072.36", "allowed_deduction": "307.83"}
}
Assistant
lookup_reference(reference="first-half")Tool
{
"reference": "first-half",
"months": ["2026-01", "2026-06"],
"rate": "0.07",
"cap": "4500.00",
"deduction": "400.00",
"free": "900.00",
"upper": "3000.00",
"middle_rate": "0.08",
"upper_rate": "0.22"
}
Assistant
calculate(program="employee_contribution = round(min(6072.36, 4500.00) * 0.07, 2)\ntaxable_pay = round(6072.36 - employee_contribution - 307.83, 2)\ntax_bracket_1 = max(0, min(taxable_pay, 3000.00) - 900.00)\ntax_bracket_2 = max(0, taxable_pay - 3000.00)\nincome_tax = round(tax_bracket_1 * 0.08 + tax_bracket_2 * 0.22, 2)\nnet_pay = round(6072.36 - employee_contribution - 307.83 - income_tax, 2)")Tool
{
"results": {"employee_contribution": "315.00", "taxable_pay": "5449.53", "tax_bracket_1": "2100.00", "tax_bracket_2": "2449.53", "income_tax": "706.90", "net_pay": "4742.63"}
}
Assistant
calculate(program="# Re-verifying the income tax calculation logic based on R5\n# Taxable pay = 5449.53\n# Free amount = 900.00\n# Upper bracket boundary = 3000.00\n# Middle rate = 0.08\n# Upper rate = 0.22\n\n# Portion up to 900.00 is untaxed.\n# Portion between 900.00 and 3000.00 (size 2100.00) is taxed at 0.08.\n# Portion above 3000.00 (5449.53 - 3000.00 = 2449.53) is taxed at 0.22.\n\ntax_1 = 2100.00 * 0.08\ntax_2 = 2449.53 * 0.22\nincome_tax = round(tax_1 + tax_2, 2)\n# Result: 168.00 + 538.8966 = 706.8966. Rounded to 706.90.\n")Tool
{
"results": {"tax_1": "168.0000", "tax_2": "538.8966", "income_tax": "706.90"}
}
Assistant
{
"decision": "calculate",
"currency": "LCR",
"gross_pay": "6072.36",
"employee_contribution": "315.00",
"allowed_deduction": "307.83",
"taxable_pay": "5449.53",
"income_tax": "706.90",
"net_pay": "4742.63",
"clauses": ["R1", "R2", "R3", "R4", "R5", "R6"]
}
Rollout #3 -50.0% answered trap · 4 tool calls · 5.3s · $0.0033
| Component | Score | Clauses |
|---|---|---|
| decision | 0.0% | R1 R7 |
| exact | 0.0% | R1 R7 |
| field accuracy | 0.0% | R1 R7 |
| citations | 0.0% | R1 R7 |
Assistant
list_documents()Tool
[
{"id": "f46dc79c607d7411-payroll", "kind": "payroll"}
]
Assistant
read_document(document_id="f46dc79c607d7411-payroll")Tool
{
"kind": "payroll",
"record": {"gross_pay": "6072.36", "allowed_deduction": "307.83"}
}
Assistant
lookup_reference(reference="first-half")Tool
{
"reference": "first-half",
"months": ["2026-01", "2026-06"],
"rate": "0.07",
"cap": "4500.00",
"deduction": "400.00",
"free": "900.00",
"upper": "3000.00",
"middle_rate": "0.08",
"upper_rate": "0.22"
}
Assistant
calculate(program="employee_contribution = round(min(6072.36, 4500.00) * 0.07, 2)\ntaxable_pay = 6072.36 - employee_contribution - 307.83\ntax_bracket1 = max(0, min(taxable_pay, 3000.00) - 900.00)\ntax_bracket2 = max(0, taxable_pay - 3000.00)\nincome_tax = round(tax_bracket1 * 0.08 + tax_bracket2 * 0.22, 2)\nnet_pay = 6072.36 - employee_contribution - 307.83 - income_tax")Tool
{
"results": {"employee_contribution": "315.00", "taxable_pay": "5449.53", "tax_bracket1": "2100.00", "tax_bracket2": "2449.53", "income_tax": "706.90", "net_pay": "4742.63"}
}
Assistant
{
"decision": "calculate",
"currency": "LCR",
"gross_pay": "6072.36",
"employee_contribution": "315.00",
"allowed_deduction": "307.83",
"taxable_pay": "5449.53",
"income_tax": "706.90",
"net_pay": "4742.63",
"clauses": ["R1", "R2", "R3", "R4", "R5", "R6"]
}