Codex (API) Pricing 2026: Plans, Costs & Free Tier

Codex (API) pricing 2026: Pay-per-token API pricing. Compare all plans, features, and find the best value for your needs.

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Codex (API) Pricing

API Pricing

Model Input / 1M tokens Output / 1M tokens Notes
Codex-mini-latest $1.5 $6 75% prompt caching discount. GPT-5.3-Codex API pricing TBA.

About Codex (API)

Codex (API) — API Provider from OpenAI. Coding Models.

  • Category: API Provider
  • Provider: OpenAI
  • Billing model: Per token

Pricing Details

Pricing verified 2026-02-05. Official pricing page

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