kitio.aiOpenAI Codex vs OpenGame
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. OpenAI Codex starts at $8/mo and OpenGame starts at $9 one-time. 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
- Game planning with AI
- Playable browser builds
- 3D game support
- Version history
- Project download
- Share and embed links
| Feature | OpenAI Codex | OpenGame |
|---|---|---|
| Best for | OpenAI's coding agent in the cloud, CLI, IDE and desktop app | AI game agent that plans and builds HTML5 and 3D browser games |
| Category | Coding | Coding |
| Pricing model | Freemium | Freemium |
| Starting price | $8/mo | $9 one-time |
| Free plan | Yes | Yes |
| Made by | OpenAI | OpenGame |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
OpenAI Codex starts at $8/mo and OpenGame starts at $9 one-time. 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
3 plans
Starter
$9 one-time
- 60 credits
- Up to 6 generations
- Playtest saved versions
Creator
$19 one-time
- 160 credits
- Up to 16 generations
- Publish a share or embed link
Studio
$39 one-time
- 400 credits
- Up to 40 generations
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
OpenGame
- Produces a playable game, not just code
- Can download the project
- One-time credit packs available
- Each generation costs 10 credits
- Sharing links need a bigger pack
- Browser games only
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 OpenGame if you want:
- Produces a playable game, not just code
- Can download the project
- One-time credit packs available
Watch out: each generation costs 10 credits.
OpenAI Codex vs OpenGame FAQ
What is the difference between OpenAI Codex and OpenGame?
OpenAI Codex: OpenAI's coding agent in the cloud, CLI, IDE and desktop app. OpenGame: AI game agent that plans and builds HTML5 and 3D browser games. Both are coding tools.
Is OpenAI Codex or OpenGame cheaper?
OpenAI Codex starts at $8/mo and OpenGame starts at $9 one-time. Check both pricing pages for current plans.
Do OpenAI Codex and OpenGame have free plans?
OpenAI Codex: Yes. OpenGame: Yes.
Who makes OpenAI Codex?
OpenAI Codex is made by OpenAI, based in United States.
Who makes OpenGame?
OpenGame is made by OpenGame.
Which should I choose, OpenAI Codex or OpenGame?
Choose OpenAI Codex if you value included in chatgpt plans and runs many tasks in parallel. Choose OpenGame if you value produces a playable game, not just code and can download the project.