Sleipnir
The Sleipnir is an EXCLUSIVE pet that is currently available from the Exclusive Pets Egg in the Exclusive Shop. It has a 13% base chance of hatching, and is inspired by a creature from Norse mythology. It was leaked in the Glitch Update but wasn’t released until June 24th, 2022.
The latest Pet Simulator X value list for Sleipnir can be found below:

Regular
💎 43,000,000,000 (43b)

Golden
💎 No Data

Rainbow
💎 No Data

Dark Matter
💎 No Data