kitio.aiOpenAI Codex vs CodeGeeX
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. OpenAI Codex starts at $8/mo and CodeGeeX starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Cloud coding tasks
- Codex CLI
- IDE extension
- Desktop app
- Automatic PR review
- Inline code completion
- Code translation
- Automatic comments
- Chat in the IDE
- 20+ languages
| Feature | OpenAI Codex | CodeGeeX |
|---|---|---|
| Best for | OpenAI's coding agent in the cloud, CLI, IDE and desktop app | AI coding assistant for code completion, translation and comments |
| Category | Coding | Coding |
| Pricing model | Freemium | Freemium |
| Starting price | $8/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | OpenAI | Zhipu AI |
| Based in | United States | China |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
OpenAI Codex starts at $8/mo and CodeGeeX starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
6 plans
Free
Free
- Limited Codex usage
- Via ChatGPT account
Go
$8/mo
- ChatGPT Go plan
- More Codex usage than Free
Plus
$20/mo
- ChatGPT Plus plan
- Codex in CLI, IDE and cloud
Pro
$100/mo
- Starting price; $200 and $500 tiers
- Highest Codex limits
Business
$25/mo
- Per user
- Shared workspace and admin controls
Enterprise
Contact sales
- Enterprise security
- Flexible usage
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
OpenAI Codex
- Included in ChatGPT plans
- Runs many tasks in parallel
- Open-source CLI
- Token-based limits are hard to predict
- Free tier usage is small
CodeGeeX
- Free plugin for individual developers
- Works in VS Code and JetBrains
- Translates code between languages
- Website mostly in Chinese
- Smaller ecosystem than Western rivals
- Little pricing information for teams
Which one should you choose?
Choose OpenAI Codex if you want:
- Included in ChatGPT plans
- Runs many tasks in parallel
- Open-source CLI
Watch out: token-based limits are hard to predict.
Choose CodeGeeX if you want:
- Free plugin for individual developers
- Works in VS Code and JetBrains
- Translates code between languages
Watch out: website mostly in chinese.
OpenAI Codex vs CodeGeeX FAQ
What is the difference between OpenAI Codex and CodeGeeX?
OpenAI Codex: OpenAI's coding agent in the cloud, CLI, IDE and desktop app. CodeGeeX: AI coding assistant for code completion, translation and comments. Both are coding tools.
Is OpenAI Codex or CodeGeeX cheaper?
OpenAI Codex starts at $8/mo and CodeGeeX starts at See pricing page. Check both pricing pages for current plans.
Do OpenAI Codex and CodeGeeX have free plans?
OpenAI Codex: Yes. CodeGeeX: Yes.
Who makes OpenAI Codex?
OpenAI Codex is made by OpenAI, based in United States.
Who makes CodeGeeX?
CodeGeeX is made by Zhipu AI, based in China.
Which should I choose, OpenAI Codex or CodeGeeX?
Choose OpenAI Codex if you value included in chatgpt plans and runs many tasks in parallel. Choose CodeGeeX if you value free plugin for individual developers and works in vs code and jetbrains.