Update README.md

README.md

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+---
+title: "LLM Palindrome Benchmark"
+emoji: 🔁
+colorFrom: indigo
+colorTo: purple
+sdk: gradio
+sdk_version: "4.0.0"
+app_file: app.py
+pinned: false
+---
+
 # 🔁 LLM Palindrome Benchmark
 
-This app generates long, original palindromes in 10 languages using Hugging Face LLMs, rates their grammar using other models, and scores them based on correctness and fluency.
+This Hugging Face Space generates long, original palindromes in 10 languages using open-source LLMs, rates their grammar using other models, and scores them based on correctness and fluency.
+
+Powered by:
+- [Mistral-7B](https://huggingface.co/mistralai/Mistral-7B-Instruct-v0.1)
+- [Zephyr](https://huggingface.co/HuggingFaceH4/zephyr-7b-beta)
+- [Flan-T5](https://huggingface.co/google/flan-t5-large)