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CDSBench
Collection · benchmark v0.1 · ranked by number of tested systems that answered incorrectly, then lowest average confidence

Hardest CDSBench cases

The verified questions most tested systems got wrong. Model disagreement and low accuracy point to where the record is genuinely hard to read.

Model performance on this collection

Correct answers out of the questions listed

  • Mastermindreference11 / 25
  • Claude11 / 25
  • GPT0 / 25
  • Gemini4 / 25
  1. 1
    #72 Meridian Telecom S.A. 2026 · GBP 2038 Notes
    Is there enough evidence in the record to establish the currency of denomination of the instrument?
    4/4 wrongUncertainty
  2. 2
    #138 Solvane Airlines S.A. 2027 · JPY 2045 Notes
    Does the record contain enough evidence to reach a reliable deliverability conclusion without further documents?
    4/4 wrongUncertainty
  3. 3
    #70 Republic of Sanderia 2025 · EUR 2036 Notes
    Does the record contain enough evidence to reach a reliable deliverability conclusion without further documents?
    4/4 wrongUncertainty
  4. 4
    #79 Meridian Telecom S.A. 2026 · GBP 2038 Notes
    Does the record contain enough evidence to reach a reliable deliverability conclusion without further documents?
    4/4 wrongUncertainty
  5. 5
    #109 Republic of Marovia 2024 · USD 2039 Notes
    Does the record contain enough evidence to reach a reliable deliverability conclusion without further documents?
    4/4 wrongUncertainty
  6. 6
    #208 Republic of Sanderia 2024 (B) · USD 2029 Notes
    Does the record contain enough evidence to reach a reliable deliverability conclusion without further documents?
    4/4 wrongUncertainty
  7. 7
    #210 Meridian Telecom S.A. 2025 (B) · EUR 2031 Notes
    Is there enough evidence in the record to establish the currency of denomination of the instrument?
    4/4 wrongUncertainty
  8. 8
    #217 Meridian Telecom S.A. 2025 (B) · EUR 2031 Notes
    Does the record contain enough evidence to reach a reliable deliverability conclusion without further documents?
    4/4 wrongUncertainty
  9. 9
    #247 Republic of Marovia 2028 (B) · CHF 2037 Notes
    Does the record contain enough evidence to reach a reliable deliverability conclusion without further documents?
    4/4 wrongUncertainty
  10. 10
    #276 Solvane Airlines S.A. 2026 (B) · GBP 2038 Notes
    Does the record contain enough evidence to reach a reliable deliverability conclusion without further documents?
    4/4 wrongUncertainty
  11. 11
    #56 Brightwater Energy Corp 2024 · USD 2034 Notes
    Reconciling all documents in the record, is the instrument transferable without the consent of the Issuer?
    3/4 wrongTransferability
  12. 12
    #57 Brightwater Energy Corp 2024 · USD 2034 Notes
    Applying the standard Deliverable Obligation Characteristics (Not Subordinated, Specified Currency, Not Contingent, Transferable, Maximum Maturity 30 years, Not Bearer), is the instrument a Deliverable Obligation for this credit event?
    3/4 wrongDeliverability
  13. 13
    #194 Brightwater Energy Corp 2028 (B) · CHF 2052 Notes
    Reconciling all documents in the record, is the instrument transferable without the consent of the Issuer?
    3/4 wrongTransferability
  14. 14
    #195 Brightwater Energy Corp 2028 (B) · CHF 2052 Notes
    Applying the standard Deliverable Obligation Characteristics (Not Subordinated, Specified Currency, Not Contingent, Transferable, Maximum Maturity 30 years, Not Bearer), is the instrument a Deliverable Obligation for this credit event?
    3/4 wrongDeliverability
  15. 15
    #19 Halvard Steel AG 2025 · EUR 2058 Notes
    Which section of the record establishes the seniority (ranking) of the instrument? Answer with the section identifier (e.g. DOC-1#S4).
    2/4 wrongEvidence
  16. 16
    #29 Kingdom of Vestmark 2026 · ZAR 2033 Notes
    Which section of the record establishes the seniority (ranking) of the instrument? Answer with the section identifier (e.g. DOC-1#S4).
    2/4 wrongEvidence
  17. 17
    #39 Orinoco Retail Holdings plc 2027 · JPY 2035 Notes
    Which section of the record establishes the seniority (ranking) of the instrument? Answer with the section identifier (e.g. DOC-1#S4).
    2/4 wrongEvidence
  18. 18
    #49 Federal Republic of Aurelia 2028 · CHF 2037 Notes
    Which section of the record establishes the seniority (ranking) of the instrument? Answer with the section identifier (e.g. DOC-1#S4).
    2/4 wrongEvidence
  19. 19
    #59 Brightwater Energy Corp 2024 · USD 2034 Notes
    Which section of the record establishes the seniority (ranking) of the instrument? Answer with the section identifier (e.g. DOC-1#S4).
    2/4 wrongEvidence
  20. 20
    #67 Republic of Sanderia 2025 · EUR 2036 Notes
    Applying the standard Deliverable Obligation Characteristics (Not Subordinated, Specified Currency, Not Contingent, Transferable, Maximum Maturity 30 years, Not Bearer), is the instrument a Deliverable Obligation for this credit event?
    2/4 wrongDeliverability
  21. 21
    #69 Republic of Sanderia 2025 · EUR 2036 Notes
    Which section of the record establishes the seniority (ranking) of the instrument? Answer with the section identifier (e.g. DOC-1#S4).
    2/4 wrongEvidence
  22. 22
    #76 Meridian Telecom S.A. 2026 · GBP 2038 Notes
    Applying the standard Deliverable Obligation Characteristics (Not Subordinated, Specified Currency, Not Contingent, Transferable, Maximum Maturity 30 years, Not Bearer), is the instrument a Deliverable Obligation for this credit event?
    2/4 wrongDeliverability
  23. 23
    #78 Meridian Telecom S.A. 2026 · GBP 2038 Notes
    Which section of the record establishes the seniority (ranking) of the instrument? Answer with the section identifier (e.g. DOC-1#S4).
    2/4 wrongEvidence
  24. 24
    #88 United Provinces of Kestrel 2027 · JPY 2040 Notes
    Which section of the record establishes the seniority (ranking) of the instrument? Answer with the section identifier (e.g. DOC-1#S4).
    2/4 wrongEvidence
  25. 25
    #98 Northgate Shipping Ltd 2028 · CHF 2042 Notes
    Which section of the record establishes the seniority (ranking) of the instrument? Answer with the section identifier (e.g. DOC-1#S4).
    2/4 wrongEvidence

Computed from the latest official run of every model on the current benchmark version. Mastermind is reported per item, never as a ranking criterion. All collections →

Hardest CDSBench cases · CDSBench