Could we get Grok 4 Fast added it's lower latency and cheaper https://cdn.discordapp.com/attachments/1211484481848873020/1418784088709664788/image.png?ex=68cf6126&is=68ce0fa6&hm=88bb8e180fd66335c44387d6b35c4375f4ba68c5053eda1d9ecd3af4325239c1&