Datasets:
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license: other
task_categories:
- visual-question-answering
tags:
- benchability
- figure4
---
# BenchAbility Figure 4 -- held-out eval
The 10% candidate-dev half of the same 884,143-row pool the two training mixtures are drawn from,
balanced per capability. Split **by image**, so no picture here appears in either mixture, and both
arms are equally blind to it.
| capability | n |
|---|---:|
| chart_reading / chart_reasoning | 250 / 250 |
| table_lookup / table_reasoning | 250 / 250 |
| document_qa / document_text_reading | 250 / 250 |
| diagram_and_infographic_understanding | 250 |
| scene_text_recognition | 250 |
| key_information_extraction | 168 (all that exists) |
Balanced rather than proportional: the pool is 38% `chart_reasoning`, so a proportional dev set would
measure that leaf precisely and the scarce ones not at all -- and the scarce ones are where the two
arms differ most. One row per image, because a second question on the same picture is not an
independent measurement.
**This is an in-domain dev set, not the paper's evaluation.** Same 20 sources, held out by image. It
answers "did training move this capability at all", which separates a broken run from a real one. It
cannot separate "learned the capability" from "learned these 20 datasets" -- that needs the
unseen-source set (ChartQAPro, OCRBench v2, DUDE, MME-RealWorld) which is not in this pool.
Score with `evaluate.py` from the training bundle; measure the base model first, then each
checkpoint, and report `gain = checkpoint - base` per capability.
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