ODA-Mixture-500k
by OpenDataArena (organization)
ODA-Mixture-500k is a large-scale general-purpose post-training dataset curated from top-performing open corpora (selected via the OpenDataArena leaderboard) and refined through deduplication, benchmark decontamination. 🧠 Dataset Summary Domain: General-purpose(e.g., Math… (excerpt from the dataset card on Hugging Face)
Dataset facts
- Hub id
- OpenDataArena/ODA-Mixture-500k
- Likes
- 124
- Downloads (last 30 days)
- 640
- Tasks
- Not given
- Modality
- text
- Size
- 100K to 1M examples
- License
- Apache 2.0 (apache-2.0)
- Access
- Open download
- Author
- OpenDataArena · Organization
- Languages
- Not given
- Created
- Nov 26, 2025
- Last modified
- Apr 27, 2026
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