xAI’s Grok 4.6 is now available in Amazon Bedrock
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xAI's Grok 4.6 is now available in Amazon Bedrock: a frontier model for long-running agents, coding, and knowledge work, with a 500K token context window and four reasoning effort levels. It runs on both the bedrock-mantle and bedrock-runtime endpoints, with Converse API and cross-Region inference support.
Today, we are announcing that xAI’s Grok 4.6 is available in Amazon Bedrock , adding a frontier model built for long-running agents, coding, and knowledge work to the Bedrock model catalog. Grok 4.6 launched on Bedrock on August 18, 2026. It offers a 500K token context window and supports configurable reasoning effort at four levels: low, medium, high, and xhigh. This is xAI’s second model in Amazon Bedrock. When Grok 4.3 became generally available , xAI joined Amazon Bedrock as a model…
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