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matched pairs · precision 1.0000 · published case
of 12 leading AI models missed · aviation case
Published cases
with source bundles
Evaluation arms
frontier models compared
Tolerance
money exact-match
Published cases
Aviation ground-handling billing
Byte-identical inputs across every arm, two months apart. Month 1 is a clean win for both our arms. Month 2 is not: both overstate the registered golden by $707 because an overtime threshold nobody has confirmed in writing is still in dispute with the client. Published as a miss rather than re-graded against the assumption that would make it a pass.
Why this is graded CONDITIONAL — Month 2 is exact only against an 8-hour overtime assumption no contract document states. Against the registered golden both our arms miss by ~$707, and neither has been re-run against it.
| Engine | May 2026 real client data 39 timesheet rows | Aug 2026 independently generated 52 timesheet rows |
|---|---|---|
| FinAdvantage pipeline | $6,422.28 Exact — within tolerance. Δ $0.00 | $9,754.51 Wrong, and confident. Δ +$707.00 |
| FinAdvantage agent runner | $6,422.28 Exact — within tolerance. Δ $0.00 | $9,754.50 Wrong, and confident. Δ +$706.99 |
| Raw frontier models (×3) | $12,299.64 Wrong, and confident. worst of 3 · best $6,145.44 | $11,668.77 Wrong, and confident. worst of 3 · 1 no answer |
| Frontier models + our tools | $6,145.44 Wrong, and confident. 2 of 3 · 1 no answer | $8,686.90 Wrong, and confident. 2 of 3 · 1 no answer |
Reconciliation, invoice extraction, and standards Q&A
Three chat flows against industry-scale Indian fixtures. On a clean invoice all four engines are perfect — a genuine tie, and the honest reading is that the task is saturated. The separation is elsewhere: on a 1,030-row reconciliation, and on an invoice whose printed total is overstated by ₹1,00,000, where every model reported the wrong figure as fact and none noticed.
Why this is graded INDICATIVE — One trial per cell, and two of the three flows ran on a single slice. Enough to act on internally; not enough to publish as a rate.
| Engine | Reconciliation HDFC statement vs Tally ledger, one quarter 1,030 bank + 1,005 ledger rows | Invoice — clean 2-page GST invoice, 3 slabs + a zero-rated line 46 line items | Invoice — tampered printed grand total inflated by ₹1,00,000 46 line items | Standards Q&A GAGAS 2024, answers must cite a paragraph 20,480-document corpus |
|---|---|---|---|---|
| FinAdvantage platform | 950 / 950 pairs Exact — within tolerance. precision 1.0000 · recall 1.0000 | 10 / 10 · 46 / 46 Exact — within tolerance. 46 / 46 HSN codes | ₹14,94,865 Exact — within tolerance. flagged and corrected | 3 / 3 correct Exact — within tolerance. 3 / 3 cited a paragraph |
| openai/gpt-4o | — Result withheld — evidence file pending. evidence file pending | 10 / 10 · 46 / 46 Exact — within tolerance. ties us · $0.0291 | ₹15,94,865 Wrong, and confident. 3 of 3 runs, unflagged | 2 / 3 correct Wrong, and confident. 0 / 3 cited a paragraph |
| google/gemini-3.6-flash | — Result withheld — evidence file pending. evidence file pending | 10 / 10 · 46 / 46 Exact — within tolerance. ties us · $0.0713 | ₹15,94,865 Wrong, and confident. 3 of 3 runs, unflagged | 3 / 3 correct Exact — within tolerance. 0 / 3 cited a paragraph |
| anthropic/claude-sonnet-5 | — Result withheld — evidence file pending. evidence file pending | 10 / 10 · 46 / 46 Exact — within tolerance. ties us · $0.04417 | ₹15,94,865 Wrong, and confident. 3 of 3 runs, unflagged | 1 / 3 correct Wrong, and confident. 0 / 3 cited a paragraph |
Inventory roll-forward and COGS working
Four files, 22,101 rows, one month. Our pipeline reproduces the independently-derived closing figure exactly. Our agent runner does not — it silently reclassifies $496.01 from closing stock into COGS across 16 of 112 SKUs, which is published here as a defect rather than rounded into a 0.084% pass. Both frontier arms failed outright.
Why this is graded INDICATIVE — Single slice, n=1 per arm. The two-slice rule is unmet, which caps this regardless of how clean the pipeline result looks.
| Engine | Apr 2026 monthly roll-forward, 112-SKU portfolio 22,101 rows across 4 files |
|---|---|
| FinAdvantage pipeline | $591,323.61 Exact — within tolerance. Δ $0.00 |
| FinAdvantage agent runner | $590,827.60 Wrong, and confident. Δ −$496.01 |
| google/gemini-2.5-flash-lite | $163,868.83 Wrong, and confident. Δ −$407,457.70 |
| openai/gpt-4o-mini | — No answer — crash, timeout, or gave up. API error before any tokens billed |
| Frontier model + SQL tool | — No answer — crash, timeout, or gave up. gave up after 7 turns |
[DRAFT — illustrative figures] US multi-entity month-end close
[Placeholder.] The intended case consolidates three US entities — intercompany matching, elimination entries, and a consolidated close — with the same byte-identical discipline as the other cases. Real inputs, goldens, and arm results will replace every bracketed figure before launch.
Why this is graded INDICATIVE — [DRAFT] Every figure in this entry is an illustrative placeholder so the page structure is reviewable before the real US-books case lands. Nothing here is a measured result.
| Engine | [Consolidated close] [placeholder] [~3 entities] |
|---|---|
| FinAdvantage pipeline | [exact — illustrative] Exact — within tolerance. [Δ $0.00 — illustrative] |
| Raw frontier models (×3) | [wrong — illustrative] Wrong, and confident. [placeholder] |
How to read a result
“Wrong and confident” is tracked separately from “no answer” on purpose. An engine that declines or crashes has not given you a number to act on; an engine that is wrong without saying so has. Only the second one is dangerous, and it is the class we hold ourselves to as well — every one of our own misses on this page is in it.
How cases are scored
Each case runs identical inputs through every arm with the same task text. Scoring is automated exact-match against a golden that is never engine-derived — monetary totals to the cent, matched pairs and field strings exactly. Results are published whether they show us winning or losing, and each case carries the grade its sample size earns: a case run on one slice, or one trial per cell, is marked INDICATIVE and should not be read as a rate. Fixtures span US and Indian client books — real data from two geographies, with the currency stated on each case.
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Case 1's inputs, outputs, prompts, and traces are downloadable today; cases 2–3 land this quarter. Request a bundle and we'll send it with the method note.
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What it costs vs. what it saves
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Bank Reconciliation
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