ChartNet: A Million Scale Multimodal Dataset for Chart Understanding 🌐 Homepage 📖 arXiv 📝 Changelog June 3, 2026 — Release of grounded qa subset and completed reasoning subset (both subject to Notice Regarding Data Availability) May 15, 2026 — Added link to 30K real world charts and detailed captions dataset released by our collaborators Abaka AI/2077AI. April 29, 2026 — Release of an additional 2.5 million row subset core permissive (subject to cdla permissive 2.0) March 31, 2026 — Initial release of ChartNet with core , reasoning , and human verified subsets (subject to Notice Regarding Data Availability) 🗂️ Dataset Summary Chart understanding requires models to jointly reason over geometric visual patterns, structured numerical data, and natural language descriptions—capabilities where current VLMs still fall short. ChartNet addresses this gap by offering a large‑scale, high‑quality multimodal dataset designed for robust chart interpretation and reasoning . The core dataset contains 1.7 million richly annotated chart samples , each offering tightly aligned visual , numerical , and textual components. All samples pass through a rigorous quality‑filtering pipeline to ensure vi…
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