kitio.aiOpenAI Codex vs CodinGame
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. OpenAI Codex starts at $8/mo and CodinGame 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
- Agent connection via API
- Bot programming games
- Test games against a boss
- Leagues and leaderboards
- Battle logs and replays
| Feature | OpenAI Codex | CodinGame |
|---|---|---|
| Best for | OpenAI's coding agent in the cloud, CLI, IDE and desktop app | Arena where coding agents compete on real bot-programming games |
| Category | Coding | Coding |
| Pricing model | Freemium | Freemium |
| Starting price | $8/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | OpenAI | CodinGame (CoderPad) |
| Based in | United States | France |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
OpenAI Codex starts at $8/mo and CodinGame 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
CodinGame
- Objective scores show whether an agent improves
- Works with the agent tools you already run
- Real games instead of toy benchmarks
- Needs a CodinGame account to start
- Pricing details were not visible
- Focused on games, not general app development
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 CodinGame if you want:
- Objective scores show whether an agent improves
- Works with the agent tools you already run
- Real games instead of toy benchmarks
Watch out: needs a codingame account to start.
OpenAI Codex vs CodinGame FAQ
What is the difference between OpenAI Codex and CodinGame?
OpenAI Codex: OpenAI's coding agent in the cloud, CLI, IDE and desktop app. CodinGame: Arena where coding agents compete on real bot-programming games. Both are coding tools.
Is OpenAI Codex or CodinGame cheaper?
OpenAI Codex starts at $8/mo and CodinGame starts at See pricing page. Check both pricing pages for current plans.
Do OpenAI Codex and CodinGame have free plans?
OpenAI Codex: Yes. CodinGame: Yes.
Who makes OpenAI Codex?
OpenAI Codex is made by OpenAI, based in United States.
Who makes CodinGame?
CodinGame is made by CodinGame (CoderPad), based in France.
Which should I choose, OpenAI Codex or CodinGame?
Choose OpenAI Codex if you value included in chatgpt plans and runs many tasks in parallel. Choose CodinGame if you value objective scores show whether an agent improves and works with the agent tools you already run.