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OpenAI Codex
AI / ML
Mar 16, 2026
AI coding agent (web, CLI, IDE); included in ChatGPT Plus/Pro/Business or via API.
5.0
1 stacks(1%)
How much does OpenAI Codex cost in 2026?
Founders on stackco.st pay about $20/mo for OpenAI Codex across 1 published stack. Compare official plans, real bills, and cheaper alternatives below.
Avg. monthly cost
$20
Most common discovery
Not sure yet
Most common why chosen
Not sure yet
OpenAI Codex plans & pricing
Plus
$20/mo
Pro
$200/mo
Business
$30
Enterprise
Contact
API key
Contact
OpenAI Codex pricing calculator 2026
Pick a plan
Estimated list price
$20/mo
Founders actually pay about $20/mo on average across 1 stack — often below list price after usage and bundle choices.
Stacks running on OpenAI Codex
OpenAI Codex pricing FAQ
- How much does OpenAI Codex cost per month?
- On stackco.st, founders report paying about $20/mo for OpenAI Codex across 1 published stack. Actual bills vary by plan and usage.
- Is OpenAI Codex free?
- OpenAI Codex does not advertise a free tier on stackco.st right now. Compare paid plans above and founder-reported monthly costs.
- How much is OpenAI Codex Pro?
- OpenAI Codex Pro is listed at $200/mo; founders on stackco.st average $20/mo overall.
- What is the OpenAI Codex pricing calculator?
- Use the calculator on this page to compare OpenAI Codex's listed plans with the ~$20/mo founders actually pay after discounts, usage, and bundle choices.