NEOSIGNAL - x-ai/grok-4.5 change signalshttps://neosignal-ai.vercel.app/m/x-ai--grok-4.5.htmlOnly x-ai/grok-4.5: price, context and end-of-life changes. en Mon, 07 Sep 2026 19:14:46 +0000 PARAMETERS CHANGED x-ai/grok-4.5: removed frequency_penalty, presence_penalty, stophttps://neosignal-ai.vercel.app/m/x-ai--grok-4.5.htmlPARAM_CHANGE|x-ai/grok-4.5|nullTue, 18 Aug 2026 19:14:02 +0000removed frequency_penalty, presence_penalty, stop