OpenDataArena

community

https://opendataarena.github.io

AI & ML interests

Data-centric AI, LLM, MLLM

Recent Activity

chuxuecao updated a collection about 6 hours ago

chuxuecao updated a collection about 6 hours ago

chuxuecao updated a collection about 6 hours ago

View all activity

Papers

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

View all Papers

OpenDataArena 's datasets 9

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

Viewer • Updated 25 days ago • 123k • 1.2k • 76

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

Viewer • Updated 25 days ago • 586k • 659 • 4

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

Viewer • Updated 25 days ago • 2.29M • 4.85k • 64

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

Viewer • Updated 29 days ago • 1.81M • 4.79k • 118

OpenDataArena/ODA-Math-460k

Viewer • Updated Jan 21 • 460k • 814 • 104

OpenDataArena/ODA-Mixture-100k

Viewer • Updated Jan 21 • 101k • 316 • 97

OpenDataArena/ODA-Mixture-500k

Viewer • Updated Jan 21 • 506k • 454 • 122

OpenDataArena/OpenDataArena-scored-data

Viewer • Updated Dec 23, 2025 • 15.7M • 9.94k • 10

OpenDataArena/MathLake

Viewer • Updated Dec 23, 2025 • 8.31M • 1.32k • 21