SpaceXAI Grok 4.6 now available on Amazon Bedrock in AWS GovCloud (US)
Today’s signal AWS What’s New recently reported SpaceXAI Grok 4.6 now available on Amazon Bedrock in AWS GovCloud (US). Published context: August 28, 2026. Amazon Bedrock in AWS GovCloud (US) now supports SpaceXAI Grok 4.6, a frontier model built for coding, agentic tasks, and knowledge work. Grok 4.6 is SpaceXAI’s latest flagship model, built for long-running agents and ambitious interactive and visual work. It offers 500k context window and configurable reasoning efforts (low, medium, high, xhigh). The model ...