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GPT-5.3 Codex subscription plans

Updated Sep 14, 2026

gpt-codex400k contextreleased Feb 5, 2026all GPT-5.3 Codex API prices →

Effective price spreads the monthly fee over 1M tokens; API prices are the vendor's own metered rate for a 3:1 input:output blend. Plan fees are list prices verified 2026-09-13.

PlanFee/moPlan rate per 1MEffective $/1MAPI anchor $/1MBreak-even
Copilot ProGitHubcheapest$10$1.75 / $14$10$1.75 / $142.1M
Copilot Pro+GitHub$39$1.75 / $14$39$1.75 / $148.1M

Other plans

Cheapest plan for every model, or themetered API prices for GPT-5.3 Codex.