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HISTORICAL RECORD · 2026-10-08 · invoice-08

Cleaning contractor requests $800 to a newly substituted bank account confirmed fraudulent.

Cleaning contractor requests $800 to a newly substituted bank account confirmed fraudulent.

Synthetic case. References were set by ClefBench and have not received an independent second review. These are recorded results, not a new model call.

urgent

Does this invoice need review because any required field is missing, supplier or banking details are unverified, or fraud is confirmed?

Reference: true

ModelRun 1Run 2Run 3Changed answer?
CleftruetruetrueNo
Clef-flashtruetruetrueNo
Jev 1.13truetruetrueNo

Yes/no uses a 50% threshold. Score values are weighted scale indices; error flags and stability use the nearest level. Use the rule and full distribution to judge whether a difference matters for your task.

category

Classify the purchased item.

Reference: services

  • hardware: Physical computers, printers, monitors or servers
  • software: Software licenses, applications or cloud storage subscriptions
  • services: Professional or contractor work
  • travel: Transport, accommodation or taxi expenses
ModelRun 1Run 2Run 3Changed answer?
ClefservicesservicesservicesNo
Clef-flashservicesservicesservicesNo
Jev 1.13servicesservicesservicesNo

Yes/no uses a 50% threshold. Score values are weighted scale indices; error flags and stability use the nearest level. Use the rule and full distribution to judge whether a difference matters for your task.

severity

Rate invoice risk from the stated evidence.

Reference: 3

  • 0: Complete invoice with no reported issue
  • 1: A required invoice field is missing
  • 2: Supplier identity or banking details are unverified
  • 3: Fraud, forgery or fabrication is confirmed
ModelRun 1Run 2Run 3Changed answer?
Clef2.97352.97352.9735No
Clef-flash2.87262.87262.8726No
Jev 1.13333No

Yes/no uses a 50% threshold. Score values are weighted scale indices; error flags and stability use the nearest level. Use the rule and full distribution to judge whether a difference matters for your task.

Time and provider cost for this case

  • Clef · run 1: 880 ms · $0.00010032
  • Clef-flash · run 1: 461 ms · $0.00003762
  • Jev 1.13 · run 1: 362 ms · $0.00001987
  • Clef-flash · run 2: 456 ms · $0.00003762
  • Jev 1.13 · run 2: 387 ms · $0.00001987
  • Clef · run 2: 683 ms · $0.00010032
  • Jev 1.13 · run 3: 376 ms · $0.00001987
  • Clef · run 3: 631 ms · $0.00010032
  • Clef-flash · run 3: 433 ms · $0.00003762
Full task, reference answers and raw recorded responses
{
  "sample": {
    "state": "Cleaning contractor requests $800 to a newly substituted bank account confirmed fraudulent.",
    "questions": {
      "urgent": {
        "type": "noul",
        "instructions": "Does this invoice need review because any required field is missing, supplier or banking details are unverified, or fraud is confirmed?"
      },
      "category": {
        "type": "choice",
        "instructions": "Classify the purchased item.",
        "criteria": {
          "hardware": "Physical computers, printers, monitors or servers",
          "software": "Software licenses, applications or cloud storage subscriptions",
          "services": "Professional or contractor work",
          "travel": "Transport, accommodation or taxi expenses"
        }
      },
      "severity": {
        "type": "score",
        "instructions": "Rate invoice risk from the stated evidence.",
        "criteria": [
          "Complete invoice with no reported issue",
          "A required invoice field is missing",
          "Supplier identity or banking details are unverified",
          "Fraud, forgery or fabrication is confirmed"
        ]
      }
    }
  },
  "reference": {
    "urgent": true,
    "category": "services",
    "severity": 3
  },
  "runs": [
    {
      "caseId": "invoice-08",
      "repeat": 1,
      "outcome": {
        "model": "clef",
        "measuredAt": "2026-10-08T09:26:34.478Z",
        "durationMs": 880,
        "status": "success",
        "result": {
          "id": "gen-dec-1791451594-nICSRDK3QQmLr1RLeR2c",
          "model": "cloudflare/clef",
          "provider": "Cloudflare",
          "answers": {
            "urgent": {
              "type": "noul",
              "noul": 0.9868
            },
            "category": {
              "type": "choice",
              "choice": "services",
              "probabilities": {
                "hardware": 0.0076,
                "software": 0.0058,
                "services": 0.9778,
                "travel": 0.0088
              },
              "confidence": 0.9416
            },
            "severity": {
              "type": "score",
              "score": 2.9735,
              "probabilities": {
                "0": 0.0035,
                "1": 0.0034,
                "2": 0.0093,
                "3": 0.9838
              },
              "confidence": 0.9573,
              "legend": {
                "0": "Complete invoice with no reported issue",
                "1": "A required invoice field is missing",
                "2": "Supplier identity or banking details are unverified",
                "3": "Fraud, forgery or fabrication is confirmed"
              }
            }
          },
          "usage": {
            "input_tokens": 418,
            "output_tokens": 0,
            "cost": 0.00010032
          }
        }
      }
    },
    {
      "caseId": "invoice-08",
      "repeat": 1,
      "outcome": {
        "model": "clef-flash",
        "measuredAt": "2026-10-08T09:26:35.365Z",
        "durationMs": 461,
        "status": "success",
        "result": {
          "id": "gen-dec-1791451595-87w39b4yNMkN5SkHaFsN",
          "model": "cloudflare/clef-flash",
          "provider": "Cloudflare",
          "answers": {
            "urgent": {
              "type": "noul",
              "noul": 0.9623
            },
            "category": {
              "type": "choice",
              "choice": "services",
              "probabilities": {
                "hardware": 0.0076,
                "software": 0.0184,
                "services": 0.9556,
                "travel": 0.0184
              },
              "confidence": 0.8852
            },
            "severity": {
              "type": "score",
              "score": 2.8726,
              "probabilities": {
                "0": 0.0119,
                "1": 0.0159,
                "2": 0.06,
                "3": 0.9122
              },
              "confidence": 0.7815,
              "legend": {
                "0": "Complete invoice with no reported issue",
                "1": "A required invoice field is missing",
                "2": "Supplier identity or banking details are unverified",
                "3": "Fraud, forgery or fabrication is confirmed"
              }
            }
          },
          "usage": {
            "input_tokens": 418,
            "output_tokens": 0,
            "cost": 0.00003762
          }
        }
      }
    },
    {
      "caseId": "invoice-08",
      "repeat": 1,
      "outcome": {
        "model": "jev",
        "measuredAt": "2026-10-08T09:26:35.834Z",
        "durationMs": 362,
        "status": "success",
        "result": {
          "id": "gen-dec-1791451595-YSnxJJrAmHaMqverKCvr",
          "model": "typesafe/jev-1.13-20260917",
          "provider": "TypeSafe",
          "answers": {
            "urgent": {
              "type": "noul",
              "noul": 0.98
            },
            "category": {
              "type": "choice",
              "choice": "services",
              "probabilities": {
                "services": 1,
                "hardware": 0,
                "software": 0,
                "travel": 0
              },
              "confidence": 1
            },
            "severity": {
              "type": "score",
              "score": 3,
              "probabilities": {
                "0": 0,
                "1": 0,
                "2": 0,
                "3": 1
              },
              "confidence": 1,
              "legend": {
                "0": "Complete invoice with no reported issue",
                "1": "A required invoice field is missing",
                "2": "Supplier identity or banking details are unverified",
                "3": "Fraud, forgery or fabrication is confirmed"
              }
            }
          },
          "usage": {
            "input_tokens": 473,
            "output_tokens": 75,
            "cost": 0.000019866
          }
        }
      }
    },
    {
      "caseId": "invoice-08",
      "repeat": 2,
      "outcome": {
        "model": "clef-flash",
        "measuredAt": "2026-10-08T09:28:06.053Z",
        "durationMs": 456,
        "status": "success",
        "result": {
          "id": "gen-dec-1791451686-HhYvKIYE5VuB3SlpiZ2b",
          "model": "cloudflare/clef-flash",
          "provider": "Cloudflare",
          "answers": {
            "urgent": {
              "type": "noul",
              "noul": 0.9623
            },
            "category": {
              "type": "choice",
              "choice": "services",
              "probabilities": {
                "hardware": 0.0076,
                "software": 0.0184,
                "services": 0.9556,
                "travel": 0.0184
              },
              "confidence": 0.8852
            },
            "severity": {
              "type": "score",
              "score": 2.8726,
              "probabilities": {
                "0": 0.0119,
                "1": 0.0159,
                "2": 0.06,
                "3": 0.9122
              },
              "confidence": 0.7815,
              "legend": {
                "0": "Complete invoice with no reported issue",
                "1": "A required invoice field is missing",
                "2": "Supplier identity or banking details are unverified",
                "3": "Fraud, forgery or fabrication is confirmed"
              }
            }
          },
          "usage": {
            "input_tokens": 418,
            "output_tokens": 0,
            "cost": 0.00003762
          }
        }
      }
    },
    {
      "caseId": "invoice-08",
      "repeat": 2,
      "outcome": {
        "model": "jev",
        "measuredAt": "2026-10-08T09:28:06.518Z",
        "durationMs": 387,
        "status": "success",
        "result": {
          "id": "gen-dec-1791451686-3FU2dpQfhM2kaFY1z8mG",
          "model": "typesafe/jev-1.13-20260917",
          "provider": "TypeSafe",
          "answers": {
            "urgent": {
              "type": "noul",
              "noul": 0.97
            },
            "category": {
              "type": "choice",
              "choice": "services",
              "probabilities": {
                "services": 1,
                "software": 0,
                "hardware": 0,
                "travel": 0
              },
              "confidence": 1
            },
            "severity": {
              "type": "score",
              "score": 3,
              "probabilities": {
                "0": 0,
                "1": 0,
                "2": 0,
                "3": 1
              },
              "confidence": 1,
              "legend": {
                "0": "Complete invoice with no reported issue",
                "1": "A required invoice field is missing",
                "2": "Supplier identity or banking details are unverified",
                "3": "Fraud, forgery or fabrication is confirmed"
              }
            }
          },
          "usage": {
            "input_tokens": 473,
            "output_tokens": 75,
            "cost": 0.000019866
          }
        }
      }
    },
    {
      "caseId": "invoice-08",
      "repeat": 2,
      "outcome": {
        "model": "clef",
        "measuredAt": "2026-10-08T09:28:06.920Z",
        "durationMs": 683,
        "status": "success",
        "result": {
          "id": "gen-dec-1791451686-t9mw8GdhMz2sBkoHM21a",
          "model": "cloudflare/clef",
          "provider": "Cloudflare",
          "answers": {
            "urgent": {
              "type": "noul",
              "noul": 0.9868
            },
            "category": {
              "type": "choice",
              "choice": "services",
              "probabilities": {
                "hardware": 0.0076,
                "software": 0.0058,
                "services": 0.9778,
                "travel": 0.0088
              },
              "confidence": 0.9416
            },
            "severity": {
              "type": "score",
              "score": 2.9735,
              "probabilities": {
                "0": 0.0035,
                "1": 0.0034,
                "2": 0.0093,
                "3": 0.9838
              },
              "confidence": 0.9573,
              "legend": {
                "0": "Complete invoice with no reported issue",
                "1": "A required invoice field is missing",
                "2": "Supplier identity or banking details are unverified",
                "3": "Fraud, forgery or fabrication is confirmed"
              }
            }
          },
          "usage": {
            "input_tokens": 418,
            "output_tokens": 0,
            "cost": 0.00010032
          }
        }
      }
    },
    {
      "caseId": "invoice-08",
      "repeat": 3,
      "outcome": {
        "model": "jev",
        "measuredAt": "2026-10-08T09:29:36.536Z",
        "durationMs": 376,
        "status": "success",
        "result": {
          "id": "gen-dec-1791451776-5ZuCnLdbTMmwG59s0e80",
          "model": "typesafe/jev-1.13-20260917",
          "provider": "TypeSafe",
          "answers": {
            "urgent": {
              "type": "noul",
              "noul": 0.97
            },
            "category": {
              "type": "choice",
              "choice": "services",
              "probabilities": {
                "hardware": 0,
                "software": 0,
                "services": 1,
                "travel": 0
              },
              "confidence": 1
            },
            "severity": {
              "type": "score",
              "score": 3,
              "probabilities": {
                "0": 0,
                "1": 0,
                "2": 0,
                "3": 1
              },
              "confidence": 1,
              "legend": {
                "0": "Complete invoice with no reported issue",
                "1": "A required invoice field is missing",
                "2": "Supplier identity or banking details are unverified",
                "3": "Fraud, forgery or fabrication is confirmed"
              }
            }
          },
          "usage": {
            "input_tokens": 473,
            "output_tokens": 75,
            "cost": 0.000019866
          }
        }
      }
    },
    {
      "caseId": "invoice-08",
      "repeat": 3,
      "outcome": {
        "model": "clef",
        "measuredAt": "2026-10-08T09:29:36.928Z",
        "durationMs": 631,
        "status": "success",
        "result": {
          "id": "gen-dec-1791451776-8EPiRQs65jAICD31GgO3",
          "model": "cloudflare/clef",
          "provider": "Cloudflare",
          "answers": {
            "urgent": {
              "type": "noul",
              "noul": 0.9868
            },
            "category": {
              "type": "choice",
              "choice": "services",
              "probabilities": {
                "hardware": 0.0076,
                "software": 0.0058,
                "services": 0.9778,
                "travel": 0.0088
              },
              "confidence": 0.9416
            },
            "severity": {
              "type": "score",
              "score": 2.9735,
              "probabilities": {
                "0": 0.0035,
                "1": 0.0034,
                "2": 0.0093,
                "3": 0.9838
              },
              "confidence": 0.9573,
              "legend": {
                "0": "Complete invoice with no reported issue",
                "1": "A required invoice field is missing",
                "2": "Supplier identity or banking details are unverified",
                "3": "Fraud, forgery or fabrication is confirmed"
              }
            }
          },
          "usage": {
            "input_tokens": 418,
            "output_tokens": 0,
            "cost": 0.00010032
          }
        }
      }
    },
    {
      "caseId": "invoice-08",
      "repeat": 3,
      "outcome": {
        "model": "clef-flash",
        "measuredAt": "2026-10-08T09:29:37.575Z",
        "durationMs": 433,
        "status": "success",
        "result": {
          "id": "gen-dec-1791451777-R3bgTC7tYmpRjbwq9RKW",
          "model": "cloudflare/clef-flash",
          "provider": "Cloudflare",
          "answers": {
            "urgent": {
              "type": "noul",
              "noul": 0.9623
            },
            "category": {
              "type": "choice",
              "choice": "services",
              "probabilities": {
                "hardware": 0.0076,
                "software": 0.0184,
                "services": 0.9556,
                "travel": 0.0184
              },
              "confidence": 0.8852
            },
            "severity": {
              "type": "score",
              "score": 2.8726,
              "probabilities": {
                "0": 0.0119,
                "1": 0.0159,
                "2": 0.06,
                "3": 0.9122
              },
              "confidence": 0.7815,
              "legend": {
                "0": "Complete invoice with no reported issue",
                "1": "A required invoice field is missing",
                "2": "Supplier identity or banking details are unverified",
                "3": "Fraud, forgery or fabrication is confirmed"
              }
            }
          },
          "usage": {
            "input_tokens": 418,
            "output_tokens": 0,
            "cost": 0.00003762
          }
        }
      }
    }
  ]
}
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