Amazon Q Developer

Amazon Q Developer

Amazon
5.0 out of 5 stars
OpenAI Codex

OpenAI Codex

OpenAI
5.0 out of 5 stars
Amazon Q Developer OpenAI Codex

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Amazon Q Developer:

About

Amazon Q Developer is a generative AI–powered coding assistant from AWS that helps developers accelerate the entire software development lifecycle. It integrates directly into popular IDEs like JetBrains, VS Code, Visual Studio, and Eclipse, providing real-time code suggestions, refactoring, documentation, and debugging assistance. Beyond coding, Amazon Q Developer supports agentic capabilities—autonomously performing tasks like feature implementation, testing, and modernization of applications. As an AWS-native expert, it helps optimize cloud resources, diagnose issues, and guide users through architectural best practices. The platform also enables seamless data and AI integration, allowing developers to build analytics and ML applications using natural language. With up to 80% faster development speed and 40% productivity gains, Amazon Q Developer delivers enterprise-grade intelligence directly inside the tools developers use every day.
OpenAI Codex:

About

Codex is an AI-powered coding agent from OpenAI designed to help developers build, manage, and ship software more efficiently across the entire development lifecycle. It acts as an intelligent pair programmer that can understand codebases, generate features, and deliver production-ready pull requests. Codex can safely execute commands in sandboxed environments while assisting with debugging, refactoring, and testing. A key advancement is its computer use capability, allowing it to operate your computer by seeing, clicking, and typing across applications. This enables Codex to interact with tools that don’t have APIs, making it useful for tasks like frontend testing and app navigation. The platform also includes an in-app browser and integrations with various developer tools for a more unified workflow. Codex supports automation by handling ongoing tasks such as monitoring, issue triage, and follow-ups.
Amazon Q Developer:

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported
OpenAI Codex:

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Supported
On-Premises Not Supported
iPhone Supported
iPad Supported
Android Supported
Chromebook Not Supported
Amazon Q Developer:

Audience

Software engineers, DevOps teams, and enterprise developers seeking a secure, AI-driven coding assistant that integrates with AWS and leading IDEs to automate development tasks, boost productivity, and modernize applications efficiently
OpenAI Codex:

Audience

Codex is ideal for software developers, engineering teams, and tech organizations that want to automate coding tasks, leverage AI-driven workflows, and utilize computer-based automation to accelerate software development
Amazon Q Developer:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
OpenAI Codex:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
Amazon Q Developer:

API

Offers API Not Supported
OpenAI Codex:

API

Offers API Supported
Amazon Q Developer:

Screenshots and Videos

OpenAI Codex:

Screenshots and Videos

Amazon Q Developer:

Pricing

$19/month
Free Version Supported
Free Trial Not Supported
OpenAI Codex:

Pricing

$20/month
Free Version Supported
Free Trial Supported
Amazon Q Developer:

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 4.0 / 5
design 5.0 / 5
support 5.0 / 5
OpenAI Codex:

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5
Amazon Q Developer:

Pros & Cons from Real Users

Pros

  • Integrates well with my IDE (VS Code), can scan my repo, understands context, i can undo any changes it has made with one click, can build a full app from scratch with my prompts and directions.

Cons

  • NO CLI capability yet which I think this is where Claude Code excels better. I think the Amazon team should find a way to integrate the CLI feature into Amazon Q.
OpenAI Codex:

Pros & Cons from Real Users

Pros

  • OpenAI Codex feels less like a coding assistant and more like a junior developer that can execute tasks independently. For knowledge workers juggling technical and non technical work, this shift is powerful because it can take a task, work through it, and return with usable results. Its ability to operate across full codebases is a major strength, allowing it to write, debug, test, and manage multiple files in a way that fits real world development workflows. The multi agent and automation capabilities are particularly useful since you can run parallel tasks and orchestrate work efficiently, which significantly improves productivity on complex projects. It is also expanding beyond pure coding with features that allow interaction with software environments, making it feel like a broader work assistant.

Cons

  • Codex can still struggle with very large or highly complex projects without iteration, and outputs often need refinement through multiple passes. The setup and workflow can feel heavier compared to simpler tools, especially when integrating with repositories or managing environments. There is also strong competition, and in some advanced or highly structured coding scenarios other tools may feel more precise.
Amazon Q Developer:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
OpenAI Codex:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
Amazon Q Developer:

Company Information

Amazon
Founded: 1994
United States
aws.amazon.com/q/developer/
OpenAI Codex:

Company Information

OpenAI
Founded: 2015
United States
openai.com
Amazon Q Developer:

Alternatives

OpenAI Codex:

Alternatives

Google AI Studio

Google AI Studio

Google
4.8 out of 5 stars
Amazon Q Developer:
OpenAI Codex:
Perplexity Computer

Perplexity Computer

Perplexity AI
5.0 out of 5 stars
Amazon Q Developer:
Kiro

Kiro

Amazon Web Services
5.0 out of 5 stars
OpenAI Codex:
Bolt.new

Bolt.new

StackBlitz
5.0 out of 5 stars
Amazon Q Developer:
IBM Bob

IBM Bob

5.0 out of 5 stars
OpenAI Codex:
Claude Code

Claude Code

Anthropic
5.0 out of 5 stars
Amazon Q Developer:
Amp

Amp

Amp Code
4.7 out of 5 stars
OpenAI Codex:
Codex CLI

Codex CLI

OpenAI
5.0 out of 5 stars
Amazon Q Developer:

Categories

OpenAI Codex:

Categories

Agentic AI Supported
AI Agents Supported
AI Code Generators Supported
AI Coding Agents Supported
AI Tools Supported
Vibe Coding Supported
Amazon Q Developer:

Integrations

Amazon Web Services (AWS) Supported
GitHub Supported
OpenSpec Supported
Slack Supported
Visual Studio Code Supported
Amazon Q Supported
Cosyra Not Supported
Eclipse IDE Supported
GPT-5.4 Not Supported
GPT-5.6 Sol Ultrafast Not Supported
JetBrains Air Not Supported
Meelu Not Supported
Muse Spark 1.1 Not Supported
Netlify Not Supported
Notion Not Supported
RustRover Supported
Slack Code Not Supported
SubQ 1.1 Small Not Supported
TypeScript Not Supported
port22 Not Supported
OpenAI Codex:

Integrations

Amazon Web Services (AWS) Supported
GitHub Supported
OpenSpec Supported
Slack Supported
Visual Studio Code Supported
Amazon Q Not Supported
Cosyra Supported
Eclipse IDE Not Supported
GPT-5.4 Supported
GPT-5.6 Sol Ultrafast Supported
JetBrains Air Supported
Meelu Supported
Muse Spark 1.1 Supported
Netlify Supported
Notion Supported
RustRover Not Supported
Slack Code Supported
SubQ 1.1 Small Supported
TypeScript Supported
port22 Supported
Amazon Q Developer:
Claim Amazon Q Developer and update features and information
Claim Amazon Q Developer and update features and information
OpenAI Codex:
Claim OpenAI Codex and update features and information
Claim OpenAI Codex and update features and information