Luma Payroll Gym
← Heatmap / Gemini 3.1 Flash Lite · Task 93
Gemini 3.1 Flash Lite · Tool use · Task 93 (Traps, conflicting pay (draft amendment)) Mean 96.7%
Field Expected Rollout #1 (97%) Rollout #2 (97%) Rollout #3 (97%)
decision clarify clarify clarify clarify
reason code CONFLICTING_GROSS_PAY CONFLICTING_GROSS_PAY CONFLICTING_GROSS_PAY CONFLICTING_GROSS_PAY
clauses R7 R9 R7 R9 R7 R9 R7 R9
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 96.7% passed · 6 tool calls · 11.7s · $0.0047
ComponentScoreClauses
decision 100.0% R7 R9
exact 100.0% R7 R9
field accuracy 100.0% R7 R9
citations 100.0% R7 R9
explanation 66.7% R7 R9
Assistant
list_documents()
Tool
[
  {"id": "dda2224f461b6dac-payroll", "kind": "payroll"},
  {"id": "dda2224f461b6dac-contract", "kind": "contract"},
  {"id": "dda2224f461b6dac-amendment", "kind": "amendment"}
]
Assistant
read_document(document_id="dda2224f461b6dac-payroll")
Tool
{
  "kind": "payroll",
  "record": {"gross_pay": "3418.55", "payroll_month": "2026-10", "allowed_deduction": "361.73"}
}
Assistant
read_document(document_id="dda2224f461b6dac-contract")
Tool
{
  "kind": "contract",
  "gross_pay": "3518.55"
}
Assistant
read_document(document_id="dda2224f461b6dac-amendment")
Tool
{
  "kind": "amendment",
  "gross_pay": "3418.55",
  "effective_month": "2026-10",
  "approved": false
}
Assistant
lookup_reference(reference="second-half")
Tool
{
  "reference": "second-half",
  "months": ["2026-07", "2026-12"],
  "rate": "0.04",
  "cap": "4000.00",
  "deduction": "400.00",
  "free": "1100.00",
  "upper": "2800.00",
  "middle_rate": "0.14",
  "upper_rate": "0.22"
}
Assistant
calculate(program="employee_contribution = round(min(3418.55, 4000.00) * 0.04, 2)\ntaxable_pay = 3418.55 - employee_contribution - 361.73\ntaxable_above_free = max(0, taxable_pay - 1100.00)\ntaxable_above_upper = max(0, taxable_pay - 2800.00)\nmiddle_bracket_tax = min(taxable_above_free, 2800.00 - 1100.00) * 0.14\nupper_bracket_tax = taxable_above_upper * 0.22\nincome_tax = round(middle_bracket_tax + upper_bracket_tax, 2)\nnet_pay = 3418.55 - employee_contribution - 361.73 - income_tax")
Tool
{
  "results": {"employee_contribution": "136.74", "taxable_pay": "2920.08", "taxable_above_free": "1820.08", "taxable_above_upper": "120.08", "middle_bracket_tax": "238.0000", "upper_bracket_tax": "26.4176", "income_tax": "264.42", "net_pay": "2655.66"}
}
Assistant
{
  "decision": "clarify",
  "reason_code": "CONFLICTING_GROSS_PAY",
  "clauses": ["R7", "R9"],
  "explanation": "The provided gross_pay (3418.55) conflicts with the contract_gross_pay (3518.55), and the amendment is not approved."
}
Rollout #2 96.7% passed · 5 tool calls · 9.7s · $0.0036
ComponentScoreClauses
decision 100.0% R7 R9
exact 100.0% R7 R9
field accuracy 100.0% R7 R9
citations 100.0% R7 R9
explanation 66.7% R7 R9
Assistant
list_documents()
Tool
[
  {"id": "dda2224f461b6dac-payroll", "kind": "payroll"},
  {"id": "dda2224f461b6dac-contract", "kind": "contract"},
  {"id": "dda2224f461b6dac-amendment", "kind": "amendment"}
]
Assistant
read_document(document_id="dda2224f461b6dac-payroll")
Tool
{
  "kind": "payroll",
  "record": {"gross_pay": "3418.55", "payroll_month": "2026-10", "allowed_deduction": "361.73"}
}
Assistant
read_document(document_id="dda2224f461b6dac-contract")
Tool
{
  "kind": "contract",
  "gross_pay": "3518.55"
}
Assistant
read_document(document_id="dda2224f461b6dac-amendment")
Tool
{
  "kind": "amendment",
  "gross_pay": "3418.55",
  "effective_month": "2026-10",
  "approved": false
}
Assistant
lookup_reference(reference="second-half")
Tool
{
  "reference": "second-half",
  "months": ["2026-07", "2026-12"],
  "rate": "0.04",
  "cap": "4000.00",
  "deduction": "400.00",
  "free": "1100.00",
  "upper": "2800.00",
  "middle_rate": "0.14",
  "upper_rate": "0.22"
}
Assistant
{
  "decision": "clarify",
  "reason_code": "CONFLICTING_GROSS_PAY",
  "clauses": ["R7", "R9"],
  "explanation": "The payroll gross pay (3418.55) differs from the contract gross pay (3518.55), and the provided amendment is not approved."
}
Rollout #3 96.7% passed · 5 tool calls · 9.0s · $0.0038
ComponentScoreClauses
decision 100.0% R7 R9
exact 100.0% R7 R9
field accuracy 100.0% R7 R9
citations 100.0% R7 R9
explanation 66.7% R7 R9
Assistant
list_documents()
Tool
[
  {"id": "dda2224f461b6dac-payroll", "kind": "payroll"},
  {"id": "dda2224f461b6dac-contract", "kind": "contract"},
  {"id": "dda2224f461b6dac-amendment", "kind": "amendment"}
]
Assistant
read_document(document_id="dda2224f461b6dac-payroll")
Tool
{
  "kind": "payroll",
  "record": {"gross_pay": "3418.55", "payroll_month": "2026-10", "allowed_deduction": "361.73"}
}
Assistant
read_document(document_id="dda2224f461b6dac-contract")
Tool
{
  "kind": "contract",
  "gross_pay": "3518.55"
}
Assistant
read_document(document_id="dda2224f461b6dac-amendment")
Tool
{
  "kind": "amendment",
  "gross_pay": "3418.55",
  "effective_month": "2026-10",
  "approved": false
}
Assistant
lookup_reference(reference="second-half")
Tool
{
  "reference": "second-half",
  "months": ["2026-07", "2026-12"],
  "rate": "0.04",
  "cap": "4000.00",
  "deduction": "400.00",
  "free": "1100.00",
  "upper": "2800.00",
  "middle_rate": "0.14",
  "upper_rate": "0.22"
}
Assistant
{
  "decision": "clarify",
  "reason_code": "CONFLICTING_GROSS_PAY",
  "clauses": ["R7", "R9"],
  "explanation": "The provided gross_pay in the payroll record (3418.55) differs from the contract_gross_pay (3518.55), and the amendment is not approved."
}