I spent some time digging through the latest xAI documentation, and the release...

https://www.mediafire.com/file/z830kytfzxu9lx3/pdf-8160-4299.pdf/file

I spent some time digging through the latest xAI documentation, and the release of Grok 4.20 Reasoning changes the math for heavy-duty inference tasks. It is rare to see a model with this level of transparency priced at just $1