APEX-Agents · Investment Banking
World228_SM_Task01
APEX-Agents task World228_SM_Task01 in AI Agents for Tax Due Diligence. Compare dual-harness agent runs across models, scores, and public traces.
Task prompt
What the agent was asked to do
Determine the effective interest rate of The Aptar Group acquiring Gerresheimer at a 35% premium. Then compare that effective interest rate to the effective interest rate of The Aptar Group as a standalone without acquisition. Use the board presentation to calculate the effective interest rates. Round the interest rates to one decimal point. Assume a 25% corporate tax rate. Create a New Sheet file with the Effective Interest Rate for Aptar Standalone and Aptar with Acquisition.
Published trajectories
Agent runs on this task
Curated dual-harness runs (parsed + original sandbox). Best scored run per model.
| Model | Harness | Score | Result | Links |
|---|---|---|---|---|
| Gemini 3.1 Pro | dual | 0/2 | Fail | Run detailsPublic trace |
| GPT-5.4 mini | dual | 0/2 | Fail | Run detailsPublic trace |
| GPT-5.4 nano | dual | 0/2 | Fail | Run detailsPublic trace |
| GPT-5.5 | dual | 0/2 | Fail | Run detailsPublic trace |
Grading rubric
Rubric criteria
Runs are graded against these criteria. Open a run for model-specific verdicts.
States Effective Interest Rate of Aptar Standalone is 3.0%
States Effective Interest Rate of Aptar with Acquisition is 4.9%