Quick Answer
Last verified:
High confidence

Codex costs Free to $360 per month as of November 2026, with 3 plans available including a free tier. Plans: Almost free (free), and Growth at $360/month. Custom pricing is available on request. Pricing depends on your chosen tier, contract length, and negotiated discounts.

Use the interactive pricing calculator to estimate your exact cost based on team size and requirements.

  • Free tier: Yes

Codex offers 3 pricing tiers: Almost free, Growth, Enterprise. A free plan is available. Paid plans include Growth at $360/month. The Growth plan is startups/teams.

Last verified: | Sources: 3 pricing pages and reviews
Know Before You Buy — Try Codex Free

Codex lists $0-$360/month, but hidden costs like implementation and support add to the total as of November 2026. Key hidden costs: overages at $350 per million requests, $1 activation fee on the free plan. Verified from 3 sources by CostBench.

Hidden Costs Breakdown

1

Overages at $350 per Million Requests

medium overage

The Growth plan includes 1,000,000 requests a month. Requests beyond that are billed at $350 per million, so an app making 3 million requests a month pays about $1,050/month instead of $350.

pricing_page · 2026-10-20

Overages billed at $350 / 1M requests.

2

$1 Activation Fee on the Free Plan

low setup

The Almost Free plan's 10,000 monthly requests require a one-time $1 signup activation fee, so a payment method is needed even for hobby use.

pricing_page · 2026-10-20

for 10,000 requests/month, after a one-time $1 signup activation fee

Frequently Asked Questions

01 What hidden costs should I budget for with Codex?

Beyond the license fee, budget for: Overages at $350 per Million Requests ($350 per additional million requests); $1 Activation Fee on the Free Plan ($1 one-time). Exact totals depend on your deployment size and negotiated terms.

02 Does Codex charge for implementation?

Implementation costs for Codex vary by deployment size and customization. Contact the vendor or check our sourced hidden-cost breakdown above for verified figures.

03 How much does Codex support cost?

Premium support pricing for Codex depends on your tier and contract terms. See the sourced cost breakdown above for any verified figures we have.

04 Are there overage or storage costs with Codex?

The Growth plan includes 1,000,000 requests a month. Requests beyond that are billed at $350 per million, so an app making 3 million requests a month pays about $1,050/month instead of $350. Estimated impact: $350 per additional million requests.

05 What add-ons cost extra with Codex?

Add-on pricing for Codex varies by feature. The sourced cost breakdown above lists any verified add-on costs we have.

Now You Know the Real Cost — Try Codex Free

Check current Codex pricing

Prices and terms change; verify against the live pricing page.

See Codex Pricing