G
GAI coding assistant and agents for editors, terminal, desktop and GitHub
Free, from $10/mo
Amazon Q Developer vs OpenAI Codex
Pricing, features, platforms and who each one suits — side by side.
A
Choose Amazon Q Developer if…
- you work on VS Code, JetBrains, Android
- you're in its core audience: software developers, aws cloud engineers
O
Choose OpenAI Codex if…
- you want the lower entry price ($8/mo vs $19/mo)
- you need an API to build on
- you're in its core audience: software developers, engineering teams
Side by side
Feature Amazon Q Developer OpenAI Codex
Pricing modelFreemiumFreemium
Starting price$19/mo$8/mo
Free plan
Free trial
API
Open source
Security and compliance—SOC 2 Type II, ISO 27001, GDPR, HIPAA
Updates, last 90 days—5
Agent mode
CLI / terminal
Cloud agents—
AI PR review—
MCP support—
PlatformsWeb, VS Code, JetBrains, Slack, iOS, AndroidWeb, iOS, API, Slack
CategoryCode AssistantsCode Assistants
CompanyAmazon Web Services, Inc.OpenAI OpCo, LLC
Based inUnited StatesUnited States
Founded——
Part ofAmazon.com, Inc.—
Key features
A Amazon Q Developer
- Real-time code suggestions and inline chat
- Agentic multistep coding with file edits and shell commands
- Security vulnerability scanning with suggested fixes
- Java version upgrades and .NET Windows-to-Linux porting
- CLI autocompletion and natural-language-to-bash
- Answers about AWS services, costs and resources
- Customization using private repositories
- GitLab, GitHub, Slack and Teams integrations
O OpenAI Codex
- Desktop app for local coding chats
- Command-line interface (CLI)
- IDE extension
- Cloud tasks through Codex on the web
- Automatic GitHub code review
- Slack integration
- SDK for scriptable workflows
- Works with an API key and pay-per-use billing
Plans and prices
From each vendor's site. Prices change — confirm before buying.
Amazon Q Developer
FreeFree
Pro$19/mo per user
OpenAI Codex
Free$0/month
Go$8/month
Plus$20/month
ProFrom $100/month
Business$20/user/month billed annually; $25 billed monthly
Enterprise & EduContact sales
API KeyPay per usage
Strengths and limitations
Amazon Q Developer
- Free tier with no time limit: 50 agentic requests a month
- Supports JetBrains, VS Code, Visual Studio and Eclipse (preview)
- Pro includes IP indemnity and is automatically opted out of data collection
- Built-in code transformation for Java and .NET
- AWS will end support for the IDE plugins on April 30, 2027
- Free tier is capped at 50 agentic requests a month
- Canceling Pro mid-month still incurs the full month's fee
- Extra transformation usage is billed at $0.003 per line of code
OpenAI Codex
- Free plan includes basic Codex use in the desktop app
- Available in the desktop app, CLI, IDE, web, iOS and SDK
- Enterprise controls such as SCIM, RBAC, EKM and data residency
- API key option for pay-per-use billing
- Free and Go plans have no published usage numbers
- Plus usage limits are given only as estimated ranges
- API key use doesn't include cloud features such as code review or Slack
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Built from each vendor's public website; we haven't tested them hands-on. Editorial policy