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xAI's Grok 4.3 model now available on Amazon Bedrock

By PulseAugur Editorial · [1 sources] ·

xAI's Grok 4.3 model is now available on Amazon Bedrock, offering a 1 million token context window and configurable reasoning effort for enterprise applications. The model excels in tasks requiring long input analysis, tool use, and instruction following, outperforming other frontier models on benchmarks for legal and financial document understanding. Grok 4.3 is accessible via OpenAI-compatible APIs on Amazon Bedrock, running on the Mantle inference engine. AI

IMPACT Expands enterprise access to long-context reasoning and tool-use capabilities via a major cloud provider.

RANK_REASON This is a product integration/availability announcement, not a new model release from a frontier lab.

Read on AWS Machine Learning Blog →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

xAI's Grok 4.3 model now available on Amazon Bedrock

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0 / 100
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Newsworthiness bucket
Tool
This is a product integration/availability announcement, not a new model release from a frontier lab.
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Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
model release, product
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High
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Story freshness
46 days old
Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.

Full methodology in our editorial standards.

COVERAGE [1]

  1. AWS Machine Learning Blog TIER_1 English(EN) · Melanie Li ·

    Introducing Grok on Amazon Bedrock

    This post covers what makes Grok 4.3 a great fit for agentic and enterprise workloads, how you access it through Amazon Bedrock, and how to use the capabilities most teams reach for first: a basic chat request, configurable reasoning effort, tool calling, structured output, image…

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