Task 47 · Gemini 3.1 Flash Lite

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Gemini 3.1 Flash Lite · Tool use · Task 47 (Traps, conflicting pay (future amendment)) 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		3807.00	3807.00	3807.00
employee contribution		304.56	304.56	304.56
allowed deduction		181.70	181.70	181.70
taxable pay		3320.74	3320.74	3320.74
income tax		242.07	242.07	242.07
net pay		3078.67	3078.67	3078.67
reason code	CONFLICTING_GROSS_PAY
clauses	R7 R9	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 · 6 tool calls · 7.7s · $0.0046

Component	Score	Clauses
decision	0.0%	R7 R9
exact	0.0%	R7 R9
field accuracy	0.0%	R7 R9
citations	0.0%	R7 R9

Assistant

list_documents()

Tool

[
  {"id": "df45190a128d0c2c-payroll", "kind": "payroll"},
  {"id": "df45190a128d0c2c-contract", "kind": "contract"},
  {"id": "df45190a128d0c2c-amendment", "kind": "amendment"}
]

Assistant

read_document(document_id="df45190a128d0c2c-payroll")

Tool

{
  "kind": "payroll",
  "record": {"gross_pay": "3807.00", "payroll_month": "2026-04", "allowed_deduction": "181.70"}
}

Assistant

read_document(document_id="df45190a128d0c2c-contract")

Tool

{
  "kind": "contract",
  "gross_pay": "3807.01"
}

Assistant

read_document(document_id="df45190a128d0c2c-amendment")

Tool

{
  "kind": "amendment",
  "gross_pay": "3807.00",
  "approved": true,
  "effective_month": "2026-06"
}

Assistant

lookup_reference(reference="first-half")

Tool

{
  "reference": "first-half",
  "months": ["2026-01", "2026-06"],
  "rate": "0.08",
  "cap": "5000.00",
  "deduction": "400.00",
  "free": "900.00",
  "upper": "3600.00",
  "middle_rate": "0.10",
  "upper_rate": "0.18"
}

Assistant

calculate(program="employee_contribution = round(min(3807.00, 5000.00) * 0.08, 2)\ntaxable_pay = 3807.00 - employee_contribution - 181.70\ntax_bracket1 = min(max(taxable_pay - 900.00, 0), 3600.00 - 900.00)\ntax_bracket2 = max(taxable_pay - 3600.00, 0)\nincome_tax = round(tax_bracket1 * 0.10 + tax_bracket2 * 0.18, 2)\nnet_pay = 3807.00 - employee_contribution - 181.70 - income_tax")

Tool

{
  "results": {"employee_contribution": "304.56", "taxable_pay": "3320.74", "tax_bracket1": "2420.74", "tax_bracket2": "0", "income_tax": "242.07", "net_pay": "3078.67"}
}

Assistant

{
  "decision": "calculate",
  "currency": "LCR",
  "gross_pay": "3807.00",
  "employee_contribution": "304.56",
  "allowed_deduction": "181.70",
  "taxable_pay": "3320.74",
  "income_tax": "242.07",
  "net_pay": "3078.67",
  "clauses": ["R1", "R2", "R3", "R4", "R5", "R6"]
}

Rollout #2 -50.0% answered trap · 6 tool calls · 7.7s · $0.0046

Component	Score	Clauses
decision	0.0%	R7 R9
exact	0.0%	R7 R9
field accuracy	0.0%	R7 R9
citations	0.0%	R7 R9

Assistant

list_documents()

Tool

[
  {"id": "df45190a128d0c2c-payroll", "kind": "payroll"},
  {"id": "df45190a128d0c2c-contract", "kind": "contract"},
  {"id": "df45190a128d0c2c-amendment", "kind": "amendment"}
]

Assistant

read_document(document_id="df45190a128d0c2c-payroll")

Tool

{
  "kind": "payroll",
  "record": {"gross_pay": "3807.00", "payroll_month": "2026-04", "allowed_deduction": "181.70"}
}

Assistant

read_document(document_id="df45190a128d0c2c-contract")

Tool

{
  "kind": "contract",
  "gross_pay": "3807.01"
}

Assistant

read_document(document_id="df45190a128d0c2c-amendment")

Tool

{
  "kind": "amendment",
  "gross_pay": "3807.00",
  "approved": true,
  "effective_month": "2026-06"
}

Assistant

lookup_reference(reference="first-half")

Tool

{
  "reference": "first-half",
  "months": ["2026-01", "2026-06"],
  "rate": "0.08",
  "cap": "5000.00",
  "deduction": "400.00",
  "free": "900.00",
  "upper": "3600.00",
  "middle_rate": "0.10",
  "upper_rate": "0.18"
}

Assistant

calculate(program="employee_contribution = round(min(3807.00, 5000.00) * 0.08, 2)\ntaxable_pay = 3807.00 - employee_contribution - 181.70\ntax_bracket1 = min(max(taxable_pay - 900.00, 0), 3600.00 - 900.00)\ntax_bracket2 = max(taxable_pay - 3600.00, 0)\nincome_tax = round(tax_bracket1 * 0.10 + tax_bracket2 * 0.18, 2)\nnet_pay = 3807.00 - employee_contribution - 181.70 - income_tax")

Tool

{
  "results": {"employee_contribution": "304.56", "taxable_pay": "3320.74", "tax_bracket1": "2420.74", "tax_bracket2": "0", "income_tax": "242.07", "net_pay": "3078.67"}
}

Assistant

{
  "decision": "calculate",
  "currency": "LCR",
  "gross_pay": "3807.00",
  "employee_contribution": "304.56",
  "allowed_deduction": "181.70",
  "taxable_pay": "3320.74",
  "income_tax": "242.07",
  "net_pay": "3078.67",
  "clauses": ["R1", "R2", "R3", "R4", "R5", "R6"]
}

Rollout #3 -50.0% answered trap · 6 tool calls · 8.1s · $0.0046

Component	Score	Clauses
decision	0.0%	R7 R9
exact	0.0%	R7 R9
field accuracy	0.0%	R7 R9
citations	0.0%	R7 R9

Assistant

list_documents()

Tool

[
  {"id": "df45190a128d0c2c-payroll", "kind": "payroll"},
  {"id": "df45190a128d0c2c-contract", "kind": "contract"},
  {"id": "df45190a128d0c2c-amendment", "kind": "amendment"}
]

Assistant

read_document(document_id="df45190a128d0c2c-payroll")

Tool

{
  "kind": "payroll",
  "record": {"gross_pay": "3807.00", "payroll_month": "2026-04", "allowed_deduction": "181.70"}
}

Assistant

read_document(document_id="df45190a128d0c2c-contract")

Tool

{
  "kind": "contract",
  "gross_pay": "3807.01"
}

Assistant

read_document(document_id="df45190a128d0c2c-amendment")

Tool

{
  "kind": "amendment",
  "gross_pay": "3807.00",
  "approved": true,
  "effective_month": "2026-06"
}

Assistant

lookup_reference(reference="first-half")

Tool

{
  "reference": "first-half",
  "months": ["2026-01", "2026-06"],
  "rate": "0.08",
  "cap": "5000.00",
  "deduction": "400.00",
  "free": "900.00",
  "upper": "3600.00",
  "middle_rate": "0.10",
  "upper_rate": "0.18"
}

Assistant

calculate(program="employee_contribution = round(min(3807.00, 5000.00) * 0.08, 2)\ntaxable_pay = 3807.00 - employee_contribution - 181.70\ntax_bracket1 = min(max(taxable_pay - 900.00, 0), 3600.00 - 900.00)\ntax_bracket2 = max(taxable_pay - 3600.00, 0)\nincome_tax = round(tax_bracket1 * 0.10 + tax_bracket2 * 0.18, 2)\nnet_pay = 3807.00 - employee_contribution - 181.70 - income_tax")

Tool

{
  "results": {"employee_contribution": "304.56", "taxable_pay": "3320.74", "tax_bracket1": "2420.74", "tax_bracket2": "0", "income_tax": "242.07", "net_pay": "3078.67"}
}

Assistant

{
  "decision": "calculate",
  "currency": "LCR",
  "gross_pay": "3807.00",
  "employee_contribution": "304.56",
  "allowed_deduction": "181.70",
  "taxable_pay": "3320.74",
  "income_tax": "242.07",
  "net_pay": "3078.67",
  "clauses": ["R1", "R2", "R3", "R4", "R5", "R6"]
}