OpenAI Codex vs Junie
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. OpenAI Codex has the lower starting price: about $8 a month, against $10 for Junie.
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
- Multi-step task agent
- Junie CLI
- Bring your own key
- Model choice per task
- IDE inspections
| Feature | OpenAI Codex | Junie |
|---|---|---|
| Best for | OpenAI's coding agent in the cloud, CLI, IDE and desktop app | JetBrains coding agent for IDEs and the terminal |
| Category | Coding | Coding |
| Pricing model | Freemium | Freemium |
| Starting price | $8/mo | $10/mo |
| Free plan | Yes | Yes |
| Made by | OpenAI | JetBrains |
| Based in | United States | Czechia |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
OpenAI Codex has the lower starting price: about $8 a month, against $10 for Junie.
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
3 plans
Junie Lite
Free
- Free AI layer
- No trial or card needed
AI Pro
$10/mo
- JetBrains AI subscription
- Junie agent quota included
AI Ultimate
$30/mo
- JetBrains AI subscription
- Larger Junie agent quota
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
Junie
- Deep integration with JetBrains IDEs
- Works with any model you choose
- Runs tests to check its changes
- Small credit allowance on AI Pro
- Best experience needs a JetBrains IDE
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 Junie if you want:
- Deep integration with JetBrains IDEs
- Works with any model you choose
- Runs tests to check its changes
Watch out: small credit allowance on ai pro.
OpenAI Codex vs Junie FAQ
What is the difference between OpenAI Codex and Junie?
OpenAI Codex: OpenAI's coding agent in the cloud, CLI, IDE and desktop app. Junie: JetBrains coding agent for IDEs and the terminal. Both are coding tools.
Is OpenAI Codex or Junie cheaper?
OpenAI Codex has the lower starting price: about $8 a month, against $10 for Junie.
Do OpenAI Codex and Junie have free plans?
OpenAI Codex: Yes. Junie: Yes.
Who makes OpenAI Codex?
OpenAI Codex is made by OpenAI, based in United States.
Who makes Junie?
Junie is made by JetBrains, based in Czechia.
Which should I choose, OpenAI Codex or Junie?
Choose OpenAI Codex if you value included in chatgpt plans and runs many tasks in parallel. Choose Junie if you value deep integration with jetbrains ides and works with any model you choose.