Update README.md

README.md

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 **OpenDataArena (ODA)** is an open research initiative devoted to evaluating, benchmarking, and creating high-value datasets for the post-training era of large language models (LLMs).  
 We believe **data quality defines model capability** — and that **open, reproducible evaluation** is key to accelerating progress in AI.
 
-ODA provides a **transparent and data-centric ecosystem** where diverse datasets — from instruction-following and code generation to reasoning and mathematics — can be fairly compared, analyzed, and continuously improved.
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 ### 🚀 Our Mission  
 To make **data evaluation scientific, transparent, and community-driven**, while continuously **producing high-value, openly available datasets** that enhance model alignment and reasoning ability.
 
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 ### 🔑 Key Features
 
 - 🏆 **Dataset Leaderboard** — [Leaderboard](https://opendataarena.github.io/leaderboard.html) ranks and visualizes the most valuable datasets across multiple domains, based on unified post-training benchmarks.  
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 - 🌱 **High-Value Data Generation** — beyond evaluation, ODA continuously produces and shares new, top-quality datasets for fine-tuning and alignment research.
 
 
-If you find our work helpful, please consider ⭐ **starring** and **subscribing** to support open, data-driven AI research.  
-Learn more at [opendataarena.github.io](https://opendataarena.github.io).
+If you find our work helpful, please consider ⭐ **starring** and **subscribing** to support open, data-driven AI research. Learn more at [opendataarena.github.io](https://opendataarena.github.io).