Grok 4.3 Now Available on Amazon Bedrock in AWS GovCloud
xAI's Grok 4.3 is now live on Amazon Bedrock in AWS GovCloud (US-West). This reasoning-first model offers configurable reasoning effort and strong tool use, making it perfect for enterprise tasks like customer support and financial document analysis. Built on Mantle, the new inference engine, it delivers token efficiency and consistent results across conversational AI and multi-turn workflows.