Stackology
Tools/AI Agents/OpenAI Codex
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AI Agents·Freemium·openai.com/codex

OpenAI Codex

AI coding agent that builds features, reviews code, and ships PRs autonomously

Best for
Delegate complete engineering workflows — feature builds, refactors, PR review, and production deployments — to an autonomous agent without writing a single line yourself. Run multiple coding tasks in parallel across different branches using the multi-agent command centre's built-in worktrees. Keep CI/CD pipelines clean, issues triaged, and alerts monitored overnight with Codex Automations running on a configurable schedule. Get code reviewed before it reaches production, with P1-ranked risk findings surfacing critical bugs and regressions automatically. Encode team standards, review checklists, and recurring workflows into reusable Skills that every team member can invoke with a single call.
Platforms
Mac · Windows · Linux · Web · Terminal · VS Code Extension
Starting price
$20/mo
We may earn a commission if you subscribe. No extra cost to you.
Pricing model
Freemium
From $20/mo
Platforms
Mac · Windows · Linux · Web · Terminal · VS Code Extension
Free plan
Free Plan
Integrations
5
4 native · 1 extension
Updated
2026.04.30
Pricing

Plans and pricing

ModelFreemiumCurrencyUSDBillingMonthly / Annual
Free
Developers wanting to try Codex CLI with a ChatGPT account
Free
  • +Codex CLI access
  • +Limited access to GPT-5.3
  • +Limited messages and uploads
Get Free
Go
Individual developers needing more usage for everyday Codex tasks
$8/month
  • +More access to GPT-5.3
  • +More messages and uploads
  • +Codex CLI access
Get Go
Plus
Developers wanting expanded Codex usage within ChatGPT
$20/month
  • +Expanded Codex usage
  • +GPT-5.4 and GPT-5.4 Thinking
  • +Expanded messages and uploads
  • +Deep Research
  • +Agent Mode
  • +Projects, tasks, and custom GPTs
  • +Sora 1 video generation (preview)
Get Plus
Pro $200
Power users requiring maximum throughput for parallel Codex workflows
$200/month
  • +20x more Codex usage than Plus
  • +GPT-5.4 Pro access
  • +Maximum Agent Mode
  • +All Pro $100 features
  • +Access to GPT-5.3-Codex-Spark (research preview)
Get Pro $200
Business
Teams needing Codex with admin controls, compliance, and data protection
$25/seat/month, billed annually ($30/seat/month billed monthly)
  • +Unlimited GPT-5.4 messages
  • +Codex access with Codex seat assignment
  • +60+ app integrations
  • +Secure dedicated workspace
  • +Admin controls
  • +GDPR and CCPA compliance
  • +No training on business data by default
  • +Codex usage analytics
Get Business
Enterprise
Large organisations requiring expanded context, data residency, and enterprise security
Contact
  • +Everything in Business
  • +SCIM, EKM, user analytics, domain verification, and RBAC
  • +Audit logs and Compliance API
  • +Custom data retention
  • +Data residency
  • +24/7 priority support
  • +Volume discounts
Talk to sales
Updated · 2026.04.30Plans and prices can change. Always check the vendor's site for the latest.
Things to check

What stands out. What to look into.

We flagged capabilities that look strong and areas worth a closer look. These are not verdicts. Check anything that matters to your use case directly with the vendor.

+Looks strong4
Worth checking2
Features · 9

Features and capabilities.

A snapshot of what this tool does, based on what the vendor publishes. Enough to know if it is worth a closer look.

Integrations · 5

What it connects to.

Connections we have found available for this tool. Not exhaustive, integrations change. Check the vendor's site for the full list.

Native · OAuth4
GitHub
GitHub Actions
Slack
Linear
Extension1
VS Code
Use cases · 5

Ways people use it.

A few examples of how this tool gets used. Not a complete picture, there are plenty more.

Alternatives

If OpenAI Codex isn't right for you.

Other tools in the same category worth considering.

Ready to try it

Visit OpenAI Codex.

Pricing confirmed 2026.04.30. We may earn a commission if you subscribe. No extra cost to you.

Common questions

Frequently asked about OpenAI Codex

Does OpenAI Codex have a free plan?

Yes, OpenAI Codex has a free plan available.

How much does OpenAI Codex cost?

OpenAI Codex plans start from $20/mo. 7 pricing tiers are available.

What does OpenAI Codex integrate with?

Based on vendor documentation, OpenAI Codex connects with GitHub, GitHub Actions, Slack, Linear, VS Code. Check the vendor's site for the complete list.

What platforms does OpenAI Codex support?

OpenAI Codex is available on Mac, Windows, Linux, Web, Terminal, VS Code Extension.