Update README.md

README.md

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 This model is [t5-base](https://huggingface.co/t5-base) fine-tuned on the [190k Medium Articles](https://www.kaggle.com/datasets/fabiochiusano/medium-articles) dataset for predicting article titles using the article textual content as input.
 
+There are two versions of the model:
+- [t5-small-medium-title-generation](https://huggingface.co/fabiochiu/t5-small-medium-title-generation): trained from [t5-small](https://huggingface.co/t5-small).
+- [t5-base-medium-title-generation](https://huggingface.co/fabiochiu/t5-base-medium-title-generation): trained from [t5-base](https://huggingface.co/t5-base).
+
+Visit the [title-generation space](https://huggingface.co/spaces/fabiochiu/title-generation) to try the model with different text generation parameters.
+
 # How to use the model
 
 ```