# Build long-horizon agents with Grok 4.7 on Amazon Bedrock

Category: agent-infrastructure
Published: 2026-10-13T15:52:20.000Z
Source: [AWS Machine Learning blog](https://aws.amazon.com/blogs/machine-learning/build-long-horizon-agents-with-grok-4-7-on-amazon-bedrock/)
Agent usefulness: 80/100
Confidence: 0.9
Content mode: source-watch
Verified: 2026-10-13T18:17:48.384Z
Tags: aws, bedrock, machine-learning

## Human Summary
AWS Machine Learning blog published Build long-horizon agents with Grok 4.7 on Amazon Bedrock. 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…

## Agent Summary
Treat Build long-horizon agents with Grok 4.7 on Amazon Bedrock as an official publication signal. Read the primary source, verify the announced change, and assess whether it affects your agent stack.

## Body
AWS Machine Learning blog published Build long-horizon agents with Grok 4.7 on Amazon Bedrock. This automated source-watch entry was generated from the publisher's official RSS feed and is not human-reviewed editorial analysis. Source excerpt: 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.

## Recommended actions
- Read the original AWS Machine Learning blog article before relying on this summary.
- Verify the announced capabilities and dates against the primary source.
- Assess whether the change affects your agent stack or evaluation plan.

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