Luma Payroll Gym
← Heatmap / Gemini 3.1 Flash Lite · Task 87
Gemini 3.1 Flash Lite · Tool use · Task 87 (Traps, month not covered) Mean 96.7%
Field Expected Rollout #1 (97%) Rollout #2 (97%) Rollout #3 (97%)
decision clarify clarify clarify clarify
reason code NO_APPLICABLE_REFERENCE NO_APPLICABLE_REFERENCE NO_APPLICABLE_REFERENCE NO_APPLICABLE_REFERENCE
clauses R1 R7 R1 R7 R1 R7 R1 R7
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 · 3 tool calls · 6.1s · $0.0024
ComponentScoreClauses
decision 100.0% R1 R7
exact 100.0% R1 R7
field accuracy 100.0% R1 R7
citations 100.0% R1 R7
explanation 66.7% R1 R7
Assistant
list_documents()
Tool
[
  {"id": "b13790770c6c4e28-payroll", "kind": "payroll"}
]
Assistant
read_document(document_id="b13790770c6c4e28-payroll")
Tool
{
  "kind": "payroll",
  "record": {"gross_pay": "3876.02", "payroll_month": "2025-11", "allowed_deduction": "102.05"}
}
Assistant
lookup_reference(reference="second-half")
Tool
{
  "reference": "second-half",
  "months": ["2026-07", "2026-12"],
  "rate": "0.07",
  "cap": "3500.00",
  "deduction": "400.00",
  "free": "1100.00",
  "upper": "3600.00",
  "middle_rate": "0.14",
  "upper_rate": "0.20"
}
Assistant
{
  "decision": "clarify",
  "reason_code": "NO_APPLICABLE_REFERENCE",
  "clauses": ["R1", "R7"],
  "explanation": "The payroll month 2025-11 is outside the covered range of 2026."
}
Rollout #2 96.7% passed · 3 tool calls · 5.6s · $0.0024
ComponentScoreClauses
decision 100.0% R1 R7
exact 100.0% R1 R7
field accuracy 100.0% R1 R7
citations 100.0% R1 R7
explanation 66.7% R1 R7
Assistant
list_documents()
Tool
[
  {"id": "b13790770c6c4e28-payroll", "kind": "payroll"}
]
Assistant
read_document(document_id="b13790770c6c4e28-payroll")
Tool
{
  "kind": "payroll",
  "record": {"gross_pay": "3876.02", "payroll_month": "2025-11", "allowed_deduction": "102.05"}
}
Assistant
lookup_reference(reference="second-half")
Tool
{
  "reference": "second-half",
  "months": ["2026-07", "2026-12"],
  "rate": "0.07",
  "cap": "3500.00",
  "deduction": "400.00",
  "free": "1100.00",
  "upper": "3600.00",
  "middle_rate": "0.14",
  "upper_rate": "0.20"
}
Assistant
{
  "decision": "clarify",
  "reason_code": "NO_APPLICABLE_REFERENCE",
  "clauses": ["R1", "R7"],
  "explanation": "The payroll month 2025-11 is outside the covered range of 2026."
}
Rollout #3 96.7% passed · 3 tool calls · 8.9s · $0.0024
ComponentScoreClauses
decision 100.0% R1 R7
exact 100.0% R1 R7
field accuracy 100.0% R1 R7
citations 100.0% R1 R7
explanation 66.7% R1 R7
Assistant
list_documents()
Tool
[
  {"id": "b13790770c6c4e28-payroll", "kind": "payroll"}
]
Assistant
read_document(document_id="b13790770c6c4e28-payroll")
Tool
{
  "kind": "payroll",
  "record": {"gross_pay": "3876.02", "payroll_month": "2025-11", "allowed_deduction": "102.05"}
}
Assistant
lookup_reference(reference="first-half")
Tool
{
  "reference": "first-half",
  "months": ["2026-01", "2026-06"],
  "rate": "0.05",
  "cap": "3500.00",
  "deduction": "400.00",
  "free": "900.00",
  "upper": "3600.00",
  "middle_rate": "0.08",
  "upper_rate": "0.22"
}
Assistant
{
  "decision": "clarify",
  "reason_code": "NO_APPLICABLE_REFERENCE",
  "clauses": ["R1", "R7"],
  "explanation": "The payroll month 2025-11 is outside the covered range of 2026."
}