| { |
| "date": "2026-08-16", |
| "seed": 20260812, |
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| "claude-sonnet-5", |
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| "claude-fable-5" |
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| "-p", |
| "--output-format", |
| "json", |
| "--model", |
| "<model>", |
| "--tools", |
| "\"\"", |
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| "question": "A SaaS starts at $8,000 MRR. Each month, in this exact order: MRR first grows by 7.0%, then 2.4% of the resulting MRR churns away. What is MRR after 36 months?" |
| }, |
| { |
| "id": "cash-1", |
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| "want": 4864506.921884278, |
| "question": "A company starts with $900,000 in cash. It spends a fixed $40,000 every month. Revenue is $18,000 in month 1 and grows 5.0% every month after that (month 2 revenue = month 1 revenue x 1.05, and so on). Cash after 60 months = starting cash + all revenue collected - all spend. What is it?" |
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| "question": "ARPU is $240/month, gross margin is 78%, monthly customer churn is 2.4%. Using LTV = ARPU x gross margin / monthly churn, what is LTV?" |
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| { |
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| "want": 18578.74834305274, |
| "question": "A SaaS starts at $26,000 MRR. Each month, in this exact order: MRR grows, then churn is applied to the grown figure. Growth is 9.0% for months 1 through 6, and 3.0% from month 7 onwards. Churn is 4.0% every month. What is MRR after 60 months?" |
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| { |
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| "question": "A company has $300,000 in cash and no revenue. Monthly burn is $60,000 in months 1, 2 and 3, then increases by $10,000 every 3 months (so it steps up in month 4, again in month 7, and so on). In which month number does the cash balance first go below zero?" |
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| { |
| "id": "mrr-5", |
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| "question": "A SaaS starts at $12,000 MRR. Each month, in this exact order: MRR first grows by 4.0%, then 3.5% of the resulting MRR churns away. What is MRR after 60 months?" |
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| { |
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| "question": "A company starts with $420,000 in cash. It spends a fixed $40,000 every month. Revenue is $18,000 in month 1 and grows 11.0% every month after that (month 2 revenue = month 1 revenue x 1.11, and so on). Cash after 36 months = starting cash + all revenue collected - all spend. What is it?" |
| }, |
| { |
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| "want": 2346.842105263158, |
| "question": "ARPU is $49/month, gross margin is 91%, monthly customer churn is 1.9%. Using LTV = ARPU x gross margin / monthly churn, what is LTV?" |
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| { |
| "id": "two-phase-8", |
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| "want": 21262.901931922686, |
| "question": "A SaaS starts at $9,000 MRR. Each month, in this exact order: MRR grows, then churn is applied to the grown figure. Growth is 9.0% for months 1 through 6, and 3.0% from month 7 onwards. Churn is 1.5% every month. What is MRR after 36 months?" |
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| "want": 11, |
| "question": "A company has $750,000 in cash and no revenue. Monthly burn is $60,000 in months 1, 2 and 3, then increases by $10,000 every 3 months (so it steps up in month 4, again in month 7, and so on). In which month number does the cash balance first go below zero?" |
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