Update README.md

README.md

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-license: cc-by-sa-4.0
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+---
+license: cc-by-sa-4.0
+---
+
+## Overview
+
+Aya Expanse is an open-weight research release of a model with highly advanced multilingual capabilities. It focuses on pairing a highly performant pre-trained Command family of models with the result of a year’s dedicated research from Cohere For AI, including data arbitrage, multilingual preference training, safety tuning, and model merging. The result is a powerful multilingual large language model serving 23 languages.
+
+## Variants
+
+| No | Variant | Cortex CLI command |
+| --- | --- | --- |
+| 1 | [main/default](https://huggingface.co/aya-expanse/llama3.2/tree/main) | `cortex run aya-expanse` |
+
+## Use it with Jan (UI)
+
+1. Install **Jan** using [Quickstart](https://jan.ai/docs/quickstart)
+2. Use in Jan model Hub:
+    ```
+    cortexso/aya-expanse
+    ```
+
+## Use it with Cortex (CLI)
+
+1. Install **Cortex** using [Quickstart](https://cortex.jan.ai/docs/quickstart)
+2. Run the model with command:
+    ```
+    cortex run aya-expanse
+    ```
+
+## Credits
+
+- **Author:** CohereAI
+- **Converter:** [Homebrew](https://www.homebrew.ltd/)
+- **Original License:** [License](https://cohere.com/c4ai-cc-by-nc-license)
+- **Papers:** [Aya Expanse Blog](https://cohere.com/blog/aya-expanse-connecting-our-world)