# Amazon — xAI’s Grok 4.6 is now available in Amazon Bedrock

- Company: Amazon (amazon.com)
- Announced: 2026-09-21T18:30:34+00:00
- Category: availability-change
- Coverage: not counted
- Announcement: yes
- Group: announcements
- Source: https://aws.amazon.com/blogs/machine-learning/xais-grok-4-6-is-now-available-in-amazon-bedrock/
- Record: https://forck.live/items/12741-xai-s-grok-4-6-is-now-available-in-amazon-bedrock
- Subject: Bedrock / Nova
- Models affected: Grok 4.6
- Context window: 500K token context window
- Pricing: global.xai.grok-4.6 at $2.00 per million input tokens; us.xai.grok-4.6 at $2.20 per million input tokens

xAI's Grok 4.6 is now available in Amazon Bedrock as of August 18, 2026, accessible via both bedrock-mantle and bedrock-runtime endpoints with support for the Converse API. The model offers a 500K token context window and configurable reasoning effort at four levels, with cross-region inference options for US and global routing.

## Evidence

Verbatim from https://aws.amazon.com/blogs/machine-learning/xais-grok-4-6-is-now-available-in-amazon-bedrock/:

> 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.

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