ChatGPT Free
$0/mo
Limited Codex access included with ChatGPT Free.
- Basic coding tasks
- ChatGPT subscription access
- Limited usage and feature availability
Full plan details & limits
Limited Codex access included with ChatGPT Free.
Free
Codex is OpenAI’s agent for software development and multi-step technical work. It can inspect a project, edit files, run commands and checks, and present changes for review.
Last checked: September 9, 2026
Our Take
Codex is useful for assignable development work with a clear way to check the result: implementing a feature, fixing a reproducible bug or updating a project.
- Edits and checks across a project
- Desktop, editor, CLI and cloud workflows
- Generated changes still need verification
- Usage varies with task and model
Best for:
Solo usersSmall teamsGrowing businesses
Best use case: Implementing a documented feature, running the project checks and reviewing the resulting diff.Fits individual developers and teams with the ability to review, test, and maintain code.
Read the full assessment
Codex is useful for assignable development work with a clear way to check the result: implementing a feature, fixing a reproducible bug or updating a project. Give it the relevant repository context and acceptance criteria, then inspect the changes and run meaningful checks. Plus offers a starting point for regular use; heavier work may justify a higher allowance. Compare the subscription you already own before adding a second budget line, and keep API billing separate.
Strengths
- Edits and checks across a project
- Desktop, editor, CLI and cloud workflows
- Reusable skills and connected tools
- Included access through ChatGPT plans
Tradeoffs
- Generated changes still need verification
- Usage varies with task and model
- Some workflows depend on setup and permissions
- API and extra credits add separate cost
Who it suits
- Developers delegating bounded implementation work
- Teams maintaining existing codebases
- Founders iterating on technical prototypes
About Codex
Codex is OpenAI’s agent for software development and multi-step technical work. It can inspect a project, edit files, run commands and checks, and present changes for review. Desktop, command-line, editor and cloud workflows support different ways of working with a codebase. Skills and integrations supply reusable instructions and connected tools. Codex access is included in eligible ChatGPT plans, with usage shared across supported agentic features. Larger tasks, model choices and tool use affect how quickly an allowance is consumed. API-key usage is billed separately and has a different feature scope. A useful workflow gives the agent a concrete outcome and verifies the result with project-specific checks.
Pricing & Plans
Prices use the currency shown. Tax, usage limits and billing terms vary by provider.
Save up to 20%
ChatGPT Go
$8/mo
Lightweight coding access within ChatGPT Go.
- Codex access through ChatGPT
- Higher allowance than Free
- Usage and model limits apply
Full plan details & limits
Lightweight coding access within ChatGPT Go.
USD 8/month
ChatGPT Plus
$20/mo
Expanded coding workflows within the ChatGPT Plus subscription.
- Codex CLI and IDE workflows
- Cloud integrations
- ChatGPT subscription benefits
- Usage allowance shared with supported agentic features
Full plan details & limits
Expanded coding workflows within the ChatGPT Plus subscription.
USD 20/month
- Optional credits cost extra
ChatGPT Pro $100
$100/mo
A higher-usage ChatGPT subscription for sustained agent work.
- Plus capabilities
- Higher Codex usage allowance
- ChatGPT subscription benefits
- 5x Plus usage tier; actual task counts vary
Full plan details & limits
A higher-usage ChatGPT subscription for sustained agent work.
USD 100/month
- Model-specific limits and credit costs apply
More plans, volume options & API pricing (4)
ChatGPT Pro $200
$200/mo
A higher-usage ChatGPT subscription for sustained agent work.
- Plus capabilities
- Higher Codex usage allowance
- ChatGPT subscription benefits
- 20x Plus usage tier; actual task counts vary
Full plan details & limits
A higher-usage ChatGPT subscription for sustained agent work.
USD 200/month
- Model-specific limits and credit costs apply
ChatGPT Business Standard
$25/user/mo
Managed ChatGPT and Codex access for a team.
- Shared ChatGPT workspace
- Codex access
- SAML SSO and administration
- Business data excluded from training by default
Full plan details & limits
Managed ChatGPT and Codex access for a team.
USD 25/month per user
- Minimum 2 paid seats
- Optional workspace credits cost extra
Enterprise and Edu
Contact sales
Organization-wide Codex access under a ChatGPT contract.
- Enterprise administration
- Retention and residency controls
- Audit and usage monitoring
- Contract-specific usage and credit terms
Full plan details & limits
Organization-wide Codex access under a ChatGPT contract.
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API-key usage
Variable cost
Metered coding automation using an OpenAI API key.
- CLI, SDK and IDE integration
- API models available to the key
- Separate API billing
- Cloud features such as Slack and GitHub review are excluded
Full plan details & limits
Metered coding automation using an OpenAI API key.
Enter your complete quote
Everything you need to know
Explore more details about Codex.
FeaturesDesktop-first agentic workflow, Long-running, multi-step tasks, Review diffs and comments before taking changes forward + more.
RatingsG2: 5/5
Integrations & connectionsHow Codex fits into your workflow
Platforms & availabilitymacOS desktop app · Windows desktop app · CLI · IDE extension · Cloud / delegated usage
Cost considerationsBilling, usage limits and additional fees
Not sure Codex is right for you?
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Sources & Verification
Checked September 9, 2026 · 7 sources · View sources
Sources & Verification
Checked September 9, 2026 · 7 sources · View sources
Codex pricingIntroducing the Codex appChatGPT, Work, and CodexUsing Codex with your ChatGPT planCodex for workCodex and ChatGPT Work pricingCodex customer ratings on G2
Provider facts and pricing are separate from our editorial assessments.