Build long-horizon agents with Grok 4.7 on Amazon Bedrock

AWS Machine LearningOctober 13, 2026en

Grok 4.7 is now available on Amazon Bedrock. In this post, we build a tool-calling agent on Grok 4.7 and evaluate it on three reasoning tasks at four reasoning effort levels, measuring correctness and token cost per completed task. We show how to tune the trade-off per request and monitor it in production.

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