CodeWhisperer
CodeWhisperer is Amazon's AI coding assistant, trained on billions of lines of code, generating real-time suggestions from snippets to full functions based on comments and existing code. It is free for individual developers and supports popular languages and IDEs with built-in security scanning.
Human verified · · Submit a correction
Best for developers on VS Code/JetBrains who work heavily with AWS services — free for individuals; less suitable for teams not on mainstream IDEs or with compliance limits on cloud-processed code.
Verified facts
What is CodeWhisperer
CodeWhisperer is Amazon's AI coding assistant, trained on billions of lines of code, generating real-time suggestions from snippets to full functions based on comments and existing code. It is free for individual developers and supports popular languages and IDEs with built-in security scanning.
Key features of CodeWhisperer
- Generating function-level code suggestions in real time from natural-language comments
- Getting working code quickly when using unfamiliar APIs
- Scanning Java, JavaScript and Python projects for security vulnerabilities
- Writing code that calls AWS services more efficiently
Good for
- Completely free for individuals: unlimited code suggestions plus 50 security scans per month
- Trained on billions of lines of code for high-quality suggestions
- Supports popular languages and works with VS Code and JetBrains IDEs
Watch out
- Comment understanding is primarily in English, with limited support for other languages
- The professional tier costs $19 per user per month, which adds up for large teams
- Deeply tied to the AWS ecosystem, so non-AWS users get less of the advantage
How to use CodeWhisperer
- Install the AWS Toolkit extension in VS Code or your JetBrains IDE
- Sign in with an AWS Builder ID and enable CodeWhisperer
- Write English comments describing the functionality you want
- Accept or browse the real-time AI code suggestions
- Run security scans regularly to check the project for vulnerabilities
Who CodeWhisperer is for
Difficulty: Intermediate
- Generating function-level code suggestions in real time from natural-language comments
- Getting working code quickly when using unfamiliar APIs
- Scanning Java, JavaScript and Python projects for security vulnerabilities
- Writing code that calls AWS services more efficiently
FAQ
Is CodeWhisperer free?
Yes for individual developers: unlimited code suggestions, free reference tracker, and 50 free code security scans per month.
Which languages and IDEs does it support?
It provides AI code suggestions for popular languages including Python, Java and JavaScript, and is compatible with VS Code and the JetBrains IDE family.
How much is the professional tier?
The professional tier for organizations costs $19 per user per month and includes enhanced benefits such as 500 security scans.
Sources and verification
Sources: aws.amazon.com (opens in a new tab)
Verified: · Submit a correction →
Alternatives to CodeWhisperer
All in this category
Amp
Built for developers on larger teams needing cross-codebase refactoring, test generation and documentation; overkill for users wanting simple autocomplete or cost-sensitive solo devs.
Ghostwriter
Best for people already building on Replit or learning to code in the browser; not suitable for developers whose workflow lives in local editors or other IDEs and who need AI help outside the Replit ecosystem.
Codex
Best for professional developers and engineering teams that want to delegate development, refactoring, and ops work to an AI agent; not for non-programmers or users who only need simple code completion.
JamGPT
Best for development teams and engineers drowning in bug reports who want to cut diagnosis and fix time; not for non-technical users who just want plain-language explanations of errors.