OpenDataArena/ODA-Mixture-500k
ODA-Mixture-500k 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, Code, Reasoning, General). Format: Problem → Solution (reasoning trace) → Final answer. Scale (selected training set): ~500K samples. Goal: Achieve maximum… See the full description on the dataset page: https://huggingface.co/datasets/OpenDataArena/ODA-Mixture-500k.
| Author / organization | OpenDataArena |
|---|---|
| License (as declared) | apache-2.0 |
| Downloads | 708 (as reported by Hugging Face) |
| Likes | 124 |
| Created | 26 November 2025 |
| Last updated at source | 27 April 2026 |
Recent changes
- 16 Oct 2026 Description: ODA-Mixture-500k 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. 🧠 → ODA-Mixture-500k 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. 🧠
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