Codex cost planning
Codex Cost Calculator
Use this page when you want to estimate how a Codex coding workflow may affect monthly usage. The important variables are task size, number of agent turns, repeated context, and whether your plan includes enough usage for the month.
Best use cases
- Estimating a feature build before running an agent session.
- Comparing Codex against Claude Code for a repeated workflow.
- Planning monthly usage for a small engineering team.
Start here
Open the AI Coding Agent Cost Calculator, choose the Codex-style editable example, then adjust plan price, included budget, input tokens, output tokens, and tasks per month.