While both similes and metaphors are used to make comparisons, the difference between similes and metaphors comes down to a word. Similes use the words like or as to compare things—“Life is like a box of chocolates.” In contrast, metaphors directly state a comparison—“Love is a battlefield.”
Here are some examples of similes and metaphors:
Life is like a box of chocolates. (Simile) My life is an open book.