The model reads. The code checks.

Free 20-lesson course

AI for Finance Builders

Each lesson opens on AI output that looks right and isn't, then builds the Python checks that catch it. Every lesson comes with a free workbook: data, scripts, five graded exercises and the answer key.

Lesson 1 · Week 1 · Day 1

AI Financial Statement Extraction: Catch the Errors Your Model Hides

An extraction that looks perfect hides eight planted defects. Build the checks that catch all eight.

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Lesson 2 · Week 1 · Day 2

AI Variance Commentary You Can Defend: Few-shot Calibration

Budget-vs-actual commentary that reads well yet breaks ten constraints, and why example order alone moves accuracy.

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Lesson 3 · Week 1 · Day 3

AI Board Briefings That Cite Every Number: Chain-of-Verification

A briefing that cites a source in almost every sentence still hides eight errors. Trace every claim to a computed fact.

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The method

Every build follows the same three moves

Language models are good readers and unreliable calculators. So the work is split: the model extracts and drafts, deterministic code does the maths, and a gate decides what a human needs to look at.