Update README.md

README.md

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-The LLM Arena platform is an open crowdsourcing platform for evaluating large language models (LLM) in Russian.
+# [LLM Arena](https://llmarena.ru/): Benchmarking LLM Models in Russian
 
-Our goal: to make an objective, open and relevant benchmark of LLM models in Russian.
-Website: [llmarena.ru](https://llmarena.ru/?utm_source=huggingface_main)
+**LLM Arena** ([https://llmarena.ru/](https://llmarena.ru/)) is an open crowd-sourced platform designed for evaluating large language models (LLMs) in the Russian language. Our goal is to provide an objective, open, and up-to-date benchmark of LLM models tailored for the Russian language.
+
+## Features
+
+The platform offers three main features:
+
+1. **Anonymous Chat ([https://llmarena.ru/?arena](https://llmarena.ru/?arena)):** Users can engage in a blind test, posing questions to two anonymous models simultaneously. This allows for unbiased comparisons and helps us gather valuable user feedback for building our leaderboard.
+2. **Named Chat ([https://llmarena.ru/?compare](https://llmarena.ru/?compare)):** Users can select specific models to chat with side-by-side, allowing for direct comparisons and a more controlled evaluation experience.
+3. **Leaderboard ([https://llmarena.ru/?leaderboard](https://llmarena.ru/?leaderboard)):** The platform displays a leaderboard based on the Elo rating system and the Bradley-Terry model, showcasing the rankings of different LLMs based on the aggregated user evaluations.
+
+   - **Arena Hard Benchmark:** This offline benchmark utilizes a more potent model to evaluate the performance of other models based on a curated set of 500 prompts.
+   - **Data Visualization:** The leaderboard section also features four plots visualizing the performance of models across different categories.
+
+## How It Works
+
+1. **User Interaction:** Users interact with LLMs in either the anonymous or named chat setting.
+2. **User Evaluation:** Users rate which model provided a better response.
+3. **Data Collection:** The platform collects these user evaluations.
+4. **Leaderboard Generation:** The Elo rating system and Bradley-Terry model use the collected data to rank the LLMs and generate the leaderboard.
+
+![Screenshot of the LLM Arena menu](https://storage.yandexcloud.net/llmarena/arena_screenshot.png)