Benchmark category · v0.1 · 26 verified questions
Maturity
Determining an obligation's maturity and testing it against the maximum-maturity characteristic, including amended or extended maturities.
Ranking
Accuracy on maturity questions
| # | Model | Accuracy | Correct | |
|---|---|---|---|---|
| 1 | Claude Sonnet 5 | 100% | 26/26 | |
| 2 | GPT -5 | 100% | 26/26 | |
| 3 | Gemini 2.5 Pro | 100% | 26/26 | |
| Reference · CDSBench’s own system · not ranked | ||||
| — | Mastermind | 100% | 26/26 | |
Common failures
How models go wrong here
| Evidence selection failure | 43 |
| Hallucinated evidence | 13 |
Across every model’s latest official run. Failure taxonomy →
Hardest questions
Most models wrong
Every model answered every question in this category correctly.
Latest
Most recently published questions
- #289 Halvard Steel AG 2028 (C)2026-09-15
- #279 Republic of Norland 2027 (C)2026-09-15
- #260 Commonwealth of Tessaly 2025 (B)2026-09-15
- #250 Calder Chemicals N.V. 2024 (B)2026-09-15
- #240 Republic of Marovia 2028 (B)2026-09-15
Cases
26 cases with maturity questions
- Northgate Shipping Ltd 2028 Northgate Shipping Ltd · 2028
- Republic of Norland 2028 (B) Republic of Norland · 2028
- Brightwater Energy Corp 2028 (B) Brightwater Energy Corp · 2028
- Republic of Marovia 2028 (B) Republic of Marovia · 2028
- Halvard Steel AG 2028 (C) Halvard Steel AG · 2028
- Federal Republic of Aurelia 2028 Federal Republic of Aurelia · 2028
- Federal Republic of Aurelia 2027 (B) Federal Republic of Aurelia · 2027
- Northgate Shipping Ltd 2027 (B) Northgate Shipping Ltd · 2027
- Republic of Norland 2027 (C) Republic of Norland · 2027
- United Provinces of Kestrel 2027 United Provinces of Kestrel · 2027
- Orinoco Retail Holdings plc 2027 Orinoco Retail Holdings plc · 2027
- Kingdom of Vestmark 2026 Kingdom of Vestmark · 2026
and 14 more in the case explorer.
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