Model failure · Commonwealth of Tessaly 2026 · GBP 2043 Notes · CDSBench #120 · benchmark v0.1
Gemini reached the verified outcome but cited evidence that does not exist
Question
What is the maturity date of the instrument? Answer as YYYY-MM-DD.
- Verified answer
- 2043-01-10 Stated in the maturity condition.
- Gemini answered
- 2043-01-10 The maturityDate is 2043-01-10.
- Decisive issue
- Extraction
- Evidence for the label
- Gemini cited
- 1 non-existentevidence score 0%
Failure classification
Hallucinated evidence
- Hallucinated evidence. 1 cited section id(s) do not exist in the case record.
Classifications are produced by the failure analyzer against the verified label and the evidence map; the model never grades itself. Failure taxonomy →
Everyone else
The same question, every other participant
- MastermindCorrectanswered 2043-01-10
- ClaudeCorrectanswered 2043-01-10
- GPTCorrectanswered 2043-01-10its failure page →
Related failures
Gemini also missed at least 6 other extraction questions
- #1 Republic of Norland 2024Retrieval failure
- #11 Halvard Steel AG 2025Retrieval failure
- #21 Kingdom of Vestmark 2026Hallucinated evidence
- #31 Orinoco Retail Holdings plc 2027Retrieval failure
- #51 Brightwater Energy Corp 2024Hallucinated evidence
- #71 Meridian Telecom S.A. 2026Retrieval failure
Benchmark version
v0.1
This page records Gemini’s answer from its latest official run on the frozen benchmark v0.1. If the model is re-run and the answer changes, the page shows the new result and the model page keeps the full run history. Corrections policy →
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