ChartAct: A Benchmark for Dynamic Chart Understanding
Paper • 2605.26994 • Published • 9
answer stringclasses 5
values | chart_id stringclasses 2
values | chart_path stringclasses 2
values | chart_source stringclasses 1
value | chart_type stringclasses 1
value | chart_url_path stringclasses 2
values | environment stringclasses 1
value | expected_answer stringclasses 5
values | hf_chart_url stringclasses 2
values | id stringclasses 5
values | label_path stringclasses 2
values | qa_path stringclasses 5
values | question stringclasses 5
values | question_id stringclasses 3
values | task_config_path stringclasses 5
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The letter E has the highest frequency, at 0.12702. | chart_0110_bar | web/AntV G2/bar/chart_0110_bar.html | AntV G2 | bar | /web/AntV G2/bar/chart_0110_bar.html | dynamic_chart | The letter E has the highest frequency, at 0.12702. | https://huggingface.co/datasets/chartact-benchmark/ChartAct/resolve/main/web/AntV%20G2/bar/chart_0110_bar.html | chart_0110_bar_q1 | label/AntV G2/bar/chart_0110_bar.json | question_answer/AntV G2/bar/PreQA/chart_0110_bar_q1.json | In this dataset, which letter has the highest frequency? What is the corresponding value? | q1 | evaluation_examples/examples/chart_data/chart_0110_bar_q1.json |
The letters E and T, at 0.12702 and 0.09056 respectively. | chart_0110_bar | web/AntV G2/bar/chart_0110_bar.html | AntV G2 | bar | /web/AntV G2/bar/chart_0110_bar.html | dynamic_chart | The letters E and T, at 0.12702 and 0.09056 respectively. | https://huggingface.co/datasets/chartact-benchmark/ChartAct/resolve/main/web/AntV%20G2/bar/chart_0110_bar.html | chart_0110_bar_q2 | label/AntV G2/bar/chart_0110_bar.json | question_answer/AntV G2/bar/PreQA/chart_0110_bar_q2.json | Which letters have frequency greater than 0.09? What are their specific values? | q2 | evaluation_examples/examples/chart_data/chart_0110_bar_q2.json |
The letter T is higher; A is 0.08167, and T is 0.09056. | chart_0110_bar | web/AntV G2/bar/chart_0110_bar.html | AntV G2 | bar | /web/AntV G2/bar/chart_0110_bar.html | dynamic_chart | The letter T is higher; A is 0.08167, and T is 0.09056. | https://huggingface.co/datasets/chartact-benchmark/ChartAct/resolve/main/web/AntV%20G2/bar/chart_0110_bar.html | chart_0110_bar_q3 | label/AntV G2/bar/chart_0110_bar.json | question_answer/AntV G2/bar/PreQA/chart_0110_bar_q3.json | Between the letters A and T, which one has a higher frequency? What are their respective values? | q3 | evaluation_examples/examples/chart_data/chart_0110_bar_q3.json |
1957 has the highest sales, at 145. | chart_0111_bar | web/AntV G2/bar/chart_0111_bar.html | AntV G2 | bar | /web/AntV G2/bar/chart_0111_bar.html | dynamic_chart | 1957 has the highest sales, at 145. | https://huggingface.co/datasets/chartact-benchmark/ChartAct/resolve/main/web/AntV%20G2/bar/chart_0111_bar.html | chart_0111_bar_q1 | label/AntV G2/bar/chart_0111_bar.json | question_answer/AntV G2/bar/PreQA/chart_0111_bar_q1.json | In this simple bar chart, which year has the highest sales? What is the sales value? | q1 | evaluation_examples/examples/chart_data/chart_0111_bar_q1.json |
There are 4 years with sales of 38: 1951, 1959, 1960, and 1962. | chart_0111_bar | web/AntV G2/bar/chart_0111_bar.html | AntV G2 | bar | /web/AntV G2/bar/chart_0111_bar.html | dynamic_chart | There are 4 years with sales of 38: 1951, 1959, 1960, and 1962. | https://huggingface.co/datasets/chartact-benchmark/ChartAct/resolve/main/web/AntV%20G2/bar/chart_0111_bar.html | chart_0111_bar_q2 | label/AntV G2/bar/chart_0111_bar.json | question_answer/AntV G2/bar/PreQA/chart_0111_bar_q2.json | How many years have sales of 38? Which years are they? | q2 | evaluation_examples/examples/chart_data/chart_0111_bar_q2.json |
ChartAct Preview
This repository is a preview release of ChartAct, an interactive benchmark for dynamic chart understanding. The full benchmark will be released after formal publication.
Paper: ChartAct: A Benchmark for Dynamic Chart Understanding
GitHub: https://github.com/wulin-wulin/OSWorld_Chart
Contents
data/dynamic_chart_preview.jsonl: 5 Dynamic Chart preview samples.data/dashboard_chart_preview.jsonl: 5 Dashboard Chart preview samples.evaluation_examples/: minimal OSWorld-style task configs for the preview samples.web/andweb_insert/: chart webpages required by the preview samples.label/andquestion_answer/: metadata and QA annotations for the preview samples.
This preview is intended to show the benchmark format and runnable framework without releasing the full evaluation set before publication.
Loading
from datasets import load_dataset
dataset = load_dataset("chartact-benchmark/ChartAct")
dynamic = dataset["dynamic_chart_preview"]
dashboard = dataset["dashboard_chart_preview"]
print(dynamic[0])
Citation
@misc{chartact2026,
title={ChartAct: A Benchmark for Dynamic Chart Understanding},
author={Muye Huang and Lin Wu and Lingling Zhang and Hang Yan and Zhiyuan Wang and Yumeng Fu and Zesheng Yang and Jun Liu},
year={2026},
eprint={2605.26994},
archivePrefix={arXiv},
primaryClass={cs.CV}
}
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