OpenDataArena

community

https://opendataarena.github.io

AI & ML interests

Data-centric AI, LLM, MLLM

Recent Activity

GX-XinGao updated a dataset about 11 hours ago

OpenDataArena/OpenDataArena-scored-data-260302

GX-XinGao published a dataset about 11 hours ago

OpenDataArena/OpenDataArena-scored-data-260302

LHL3341 authored a paper 27 days ago

MMFineReason: Closing the Multimodal Reasoning Gap via Open Data-Centric Methods

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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/OpenDataArena-scored-data-260302

Viewer • Updated about 11 hours ago • 1.25M

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

Viewer • Updated 28 days ago • 123k • 1.08k • 76

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

Viewer • Updated 29 days ago • 586k • 720 • 6

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

Viewer • Updated 29 days ago • 2.29M • 5.14k • 64

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

Viewer • Updated Jan 30 • 1.81M • 4.75k • 118

OpenDataArena/ODA-Math-460k

Viewer • Updated Jan 21 • 460k • 673 • 104

OpenDataArena/ODA-Mixture-100k

Viewer • Updated Jan 21 • 101k • 306 • 97

OpenDataArena/ODA-Mixture-500k

Viewer • Updated Jan 21 • 506k • 445 • 122

OpenDataArena/OpenDataArena-scored-data

Viewer • Updated Dec 23, 2025 • 15.7M • 9.66k • 10

OpenDataArena/MathLake

Viewer • Updated Dec 23, 2025 • 8.31M • 1.28k • 21