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

https://www.pure-bookmark.win/xai-has-updated-their-api-lineup-with-grok-4-20-reasoning-and-it-is-worth

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