Sure. So English has some words which start with "gi-" which have hard 'g's ('gift', 'give', 'girl', 'giggle') and some which have soft 'g's ('giant', 'giraffe'

Sure. So English has some words which start with "gi-" which have hard 'g's ('gift', 'give', 'girl', 'giggle') and some which have soft 'g's ('giant', 'giraffe', 'gibber', 'ginger'), so both pronunciations are actually reasonable in English for the orthographic form 'GIF'.