OpenDataArena

community

https://opendataarena.github.io

AI & ML interests

Data-centric AI, LLM, MLLM

Recent Activity

GX-XinGao updated a dataset about 5 hours ago

OpenDataArena/ODA-scored-data-2603

apeters published a dataset 1 day ago

OpenDataArena/ODA-scored-data-2603

apeters updated a dataset 1 day ago

OpenDataArena/ODA-scored-data-2603

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Papers

Closing the Data Loop: Using OpenDataArena to Engineer Superior Training Datasets

OpenDataArena: A Fair and Open Arena for Benchmarking Post-Training Dataset Value

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OpenDataArena 's datasets 10

OpenDataArena/ODA-scored-data-2603

Viewer • Updated about 5 hours ago • 6.34M • 19 • 2

OpenDataArena/MMFineReason-1.8M-Qwen3-VL-235B-Thinking

Viewer • Updated 1 day ago • 1.81M • 3.98k • 118

OpenDataArena/MMFineReason-SFT-123K-Qwen3-VL-235B-Thinking

Viewer • Updated about 1 month ago • 123k • 955 • 76

OpenDataArena/MMFineReason-SFT-586K-Qwen3-VL-235B-Thinking

Viewer • Updated about 1 month ago • 586k • 807 • 6

OpenDataArena/MMFineReason-Full-2.3M-Qwen3-VL-235B-Thinking

Viewer • Updated about 1 month ago • 2.29M • 5.05k • 64

OpenDataArena/ODA-Math-460k

Viewer • Updated Jan 21 • 460k • 612 • 104

OpenDataArena/ODA-Mixture-100k

Viewer • Updated Jan 21 • 101k • 286 • 97

OpenDataArena/ODA-Mixture-500k

Viewer • Updated Jan 21 • 506k • 397 • 122

OpenDataArena/OpenDataArena-scored-data

Viewer • Updated Dec 23, 2025 • 15.7M • 9.41k • 10

OpenDataArena/MathLake

Viewer • Updated Dec 23, 2025 • 8.31M • 1.2k • 21