Wale is a smart prompting tool powered by custom data. It provides a user-friendly interface to help users build prompts on their custom datasets. You can import CSV files or use Wale's spreadsheet editor to create data. Wale allows you to adjust parameters like temperature and maximum sequence length to get more accurate, reliable, and cost-effective prompts. You can also view history to track prompt progress and conduct comparative experiments. With Wale, you can build better prompts with ease.