xAI is changing things with Grok 4.20 Reasoning. As someone who lives in API...

https://zulu-wiki.win/index.php/The_%22MechaHitler%22_Incident:_A_Post-Mortem_on_Grok%E2%80%99s_July_2025_System_Prompt_Failure

xAI is changing things with Grok 4.20 Reasoning. As someone who lives in API docs, the $1.25 per 1M input tokens rate is compelling. It is a solid option for logic-heavy apps without the overhead. Let’s check the trade-offs for your dev stack.