Slightly too tight, they're too tight. As someone who's sold shoes my whole life, I can tell you that around 90% of people wear their shoes too tight.
Athletic shoes particularly are manufactured to have about 2/3" (width of your thumbnail) between the longest toe and the end of the shoe. If your toes can spread out, you will be more stable, more explosive, and perform better.
Always get the shoe with the most toe room and the least heel thickness possible.