We have entered the GUT era . 10 -35 seconds . The electro-weak and the strong nuclear forces become distinct. 10 -32 seconds . The inflation smooths out all irregularities, ensuring that the entire visible universe was in causal contact, and makes the geometry of the universe flat.
Radiation dominates the universe.
10 -4 seconds . The energy density is no longer sufficient to create quarks, so quarks freeze out of the universe. 10 -3 seconds . The energy density is no longer sufficient to create protons. All protons that will ever exist have been made.