500K context, xhigh reasoning: Grok 4.6 is now available on Amazon Bedrock!

Hi everyone, it's Shii! Today I found news about a new model joining Amazon Bedrock, so let me tell you about it right away!

AWS What's New aws.amazon.com

What was announced?

According to AWS's What's New, Amazon Bedrock now supports SpaceXAI's latest flagship model, Grok 4.6. It's built for long-running agents and ambitious interactive and visual work.

Here are the key specs.

• A 500K context window
• Configurable reasoning effort across four levels: low, medium, high, and xhigh

Why it matters

Grok 4.6 builds on previous generations of Grok, with a particular focus on staying with complex tasks across many steps — whether that's researching a topic, analyzing information, working across a codebase, or turning an idea into a polished application.

According to the source, it achieves frontier intelligence across several agentic coding and knowledge work benchmarks, matching other frontier models that specialize in coding. For engineers who want to build agents that can keep working through long, complex tasks, this is great news — one more option to choose from.

What changes

With Grok 4.6 now on Bedrock, you can access it with enterprise-grade security and privacy, plus comprehensive monitoring and logging. It also supports cross-Region inference, giving you the flexibility to scale across multiple AWS Regions.

According to the source, it's well suited for use cases like these.

• Researching a topic
• Analyzing information
• Working across a codebase
• Turning an idea into a polished application

Dive Deep

Grok 4.6 is available in every AWS Region where Amazon Bedrock is offered — not limited to a restricted region like GovCloud, which is a nice point in its favor.

To get started, the documented path is to check the Grok 4.6 model card in the Amazon Bedrock User Guide. The source article doesn't include specific pricing figures, so if you're curious, check the model card directly.

Wrap-up

Today I covered the news that SpaceXAI's Grok 4.6 is now available on Amazon Bedrock. Here's a recap of the key points.

• Available in every AWS Region where Amazon Bedrock is offered
• Comes with a 500K context window
• Reasoning effort adjustable across four levels: low, medium, high, and xhigh
• Built to handle long, complex tasks like research, codebase work, and app development
• Achieves frontier-level results on agentic coding and knowledge work benchmarks

This is a great update for engineers who want an agent that can stick with long tasks or take on serious coding work!