Grok 4.3 on Amazon Bedrock: xAI's AI Model for Enterprises

Grok 4.3 has launched on Amazon Bedrock, making xAI a model provider on the platform for the first time. This integration provides AWS developers direct access to Grok's reasoning capabilities. What's interesting is that Grok 4.3 is priced at $1.25 per million input tokens, making it one of the most affordable frontier reasoning models available on Bedrock. It features a 1 million token context window, configurable reasoning levels, native video input, and AI agent tool-calling support. The model is now available across four major cloud platforms: Oracle, Azure, Amazon Bedrock, and Databricks. While it offers powerful features for enterprise workloads, some concerns remain regarding xAI's governance and content safety. This development could significantly impact how businesses approach AI integration and cost efficiency.