Codex Pricing Calculator 2026
Estimate your total cost including hidden fees
The Codex calculator estimates the cost of your selected plan. Change the team size where pricing is per person, choose an available billing period, and add reported extras that apply to your contract.
Enter your requirements below to see the recurring cost and first-year total. Unverified extras are excluded.
- Plans: 3 tiers; Free–$360/month
- Overages at $350 per Million Requests: $350 per additional million requests
- $1 Activation Fee on the Free Plan: $1 one-time
Reported extras may depend on your usage and contract. Confirm the final quote with Codex.
Codex pricing ranges from $0 to $360 per month as of November 2026. Codex offers 3 pricing tiers. Reported extras are shown below. Only costs with a clear amount and billing basis can be added to the estimate. Pricing verified from 3 sources by CostBench.
Flat plan fee shown. Separately billed usage and add-ons are excluded.
Your Estimate
Cost Breakdown
Includes one-time costs (implementation, training)
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Real-World Codex Cost Examples
Startup App on Growth Plan
$350 per month$350/month ($4,200/year)
A startup app making up to 1,000,000 Codex API requests per month on the Growth plan.
Current tier dataFree Tier User
$0 per month$0/month (plus a one-time $1 activation fee)
A developer running a hobby project on the Almost Free plan, up to 10,000 requests per month.
Current tier dataEnterprise Team
CustomCustom pricing — contact sales
A team requiring enterprise-grade access, SLAs, and custom terms. Pricing is custom-quoted.
Current tier dataCompare at This Team Size
Frequently Asked Questions
01 How accurate is this Codex pricing calculator?
This calculator uses official Codex pricing data verified as of 2026-11-04T08:01:15Z. Hidden cost estimates are based on 2 verified cost categories from real user reports. Actual costs may vary based on negotiated discounts, specific feature requirements, and implementation complexity.
02 What hidden costs should I include in my Codex budget?
Our calculator includes 1 verified hidden cost categories for Codex: $1 Activation Fee on the Free Plan. Toggle each to see how they affect your total cost.
03 Should I choose monthly or annual billing for Codex?
Compare the published annual total with twelve monthly payments when both are available. An annual commitment may reduce flexibility; confirm cancellation terms and whether the quoted plan fits your needs.
04 How do I know which Codex tier I need?
Start with your must-have features. Codex offers 3 tiers ranging from $0 to $360/month. Entry tiers work for basic needs, while enterprise tiers add advanced security, customization, and support.
05 Can I negotiate Codex pricing below calculator estimates?
Negotiated pricing depends on the vendor, plan and contract. We do not assume a discount in this estimate. See our negotiation guide for tactics.