New model: Grok 4.6 (US) (Amazon)

Amazon Web Services released Grok 4.6 (US) on August 12, 2026, a text and image model with a 500k context window and 500k maximum output, available via Amazon Bedrock under the identifier us.xai.grok-4.6. The model, developed by xAI, has no announced retirement date.

AM● Healthy Grok 4.6 US Amazon · us.xai.grok-4.6 Released2026-08-12 Retiresno announced date groktext+image500k context500k max out also matches: us.xai.grok-4.6 amazon/us.xai.grok-4.6 provider announcement → https://models.dev/amazon-bedrock/us.xai.grok-4.6 Does your code call Grok 4.6 US ? $ curl -fsSL https://llmstatus.ai/install.sh | bash Then mm status in any repo — it finds every model you use and flags the ones on a clock. No account, nothing uploaded. Get alerted before it retires → /sign-up