OpenAI Codex vs Code to Flowchart
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 Code to Flowchart.
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
- Code to flowchart
- Sequence and class diagrams
- AI explanations
- PNG and SVG export
- Shareable links
| Feature | OpenAI Codex | Code to Flowchart |
|---|---|---|
| Best for | OpenAI's coding agent in the cloud, CLI, IDE and desktop app | Turn pasted code into flowcharts, sequence and class diagrams |
| Category | Coding | Coding |
| Pricing model | Freemium | Freemium |
| Starting price | $8/mo | $9.99/mo |
| Free plan | Yes | Yes |
| Made by | OpenAI | Code to Flowchart |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
OpenAI Codex has the lower starting price: about $8 a month, against $10 for Code to Flowchart.
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
Monthly Pro
$9.99/mo
- Unlimited monthly visualizations
- Early access to new features
Starter 1,000 Credits
$26.99 one-time
- 1,000 visualizations that never expire
- 8k token code capacity
- No ads
Unlimited Lifetime
$66.99 one-time
- Unlimited visualizations forever
- Advanced AI optimization
- Priority feature requests
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
Code to Flowchart
- Works with any language
- Several diagram types
- One-time payment options
- Free use appears limited
- Extra code size needs a paid plan
- Diagrams can miss steps
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 Code to Flowchart if you want:
- Works with any language
- Several diagram types
- One-time payment options
Watch out: free use appears limited.
OpenAI Codex vs Code to Flowchart FAQ
What is the difference between OpenAI Codex and Code to Flowchart?
OpenAI Codex: OpenAI's coding agent in the cloud, CLI, IDE and desktop app. Code to Flowchart: Turn pasted code into flowcharts, sequence and class diagrams. Both are coding tools.
Is OpenAI Codex or Code to Flowchart cheaper?
OpenAI Codex has the lower starting price: about $8 a month, against $10 for Code to Flowchart.
Do OpenAI Codex and Code to Flowchart have free plans?
OpenAI Codex: Yes. Code to Flowchart: Yes.
Who makes OpenAI Codex?
OpenAI Codex is made by OpenAI, based in United States.
Who makes Code to Flowchart?
Code to Flowchart is made by Code to Flowchart.
Which should I choose, OpenAI Codex or Code to Flowchart?
Choose OpenAI Codex if you value included in chatgpt plans and runs many tasks in parallel. Choose Code to Flowchart if you value works with any language and several diagram types.