OpenAI CodexvsAmazon Q Developer

Full side-by-side comparison — features, pricing, platforms, and which one wins in 2026.

OpenAI Codex

Coding Assistants

Featured

OpenAI coding agent for CLI, IDE, web, desktop, and cloud workflows

Full review →Website ↗

Amazon Q Developer

Coding Assistants

AI assistant for software development from AWS

Full review →Website ↗
FeatureOpenAI CodexAmazon Q Developer
CategoryCoding AssistantsCoding Assistants
PricingIncluded with eligible ChatGPT plans; additional credits availableFree + Pro $19/mo
GitHub Stars
✓ More stars
85k
—
PlatformsmacOS, Windows, Linux, WebmacOS, Linux, Windows, Web
Key Features
  • ✓ Terminal coding agent
  • ✓ IDE extension
  • ✓ Web and desktop app
  • ✓ Multi-agent workflows
  • ✓ Cloud environments
  • ✓ Worktrees
  • ✓ PR review
  • ✓ MCP and tool use
  • ✓ Code generation
  • ✓ Transformation
  • ✓ Security scanning
  • ✓ AWS integration
  • ✓ Chat
Pros
  • + Official OpenAI coding agent
  • + Works across CLI, IDE, web, desktop, and cloud
  • + Open-source CLI under Apache-2.0
  • + Strong fit for parallel agent workflows
  • + Designed for end-to-end software tasks and PR review
  • + Deep AWS integration
  • + Security vulnerability scanning
  • + Code transformation features
  • + Free tier available
  • + Enterprise support
Cons
  • − Usage limits vary by ChatGPT plan
  • − Cloud and ChatGPT surfaces are proprietary
  • − Autonomous code changes still require review
  • − Team controls depend on workspace plan
  • − AWS-focused (less useful outside AWS)
  • − Requires AWS account
  • − Smaller community
  • − Less general-purpose than Copilot
Tags
codingagenticcliideopenaichatgptmulti-agent
awscodingenterprisecloud

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