Amazon CodeWhisperer is a free AI coding companion from AWS that generates code suggestions in real-time. It's trained on billions of lines of code including Amazon's internal codebase. CodeWhisperer is completely free for individual developers with no usage limits. It excels at AWS-related code and supports 15+ programming languages. The tool includes security scanning to identify vulnerabilities and suggests fixes. It integrates with VS Code, JetBrains IDEs, AWS Cloud9, and more.