OpenAI publishes Codex usage as plan-based allowances, model-specific local-message estimates per five-hour period, and account-specific reset information in the dashboard, not as one fixed message count.

Codex Usage Limit Official Table. Scraped on 2026-09-14. The table keeps values and source IDs separate so the numbers stay readable while each row remains traceable.

Scraped date: 2026-09-14 Download clean CSV Download full citations CSV
Codex Usage Limit Official Table
AreaOfficial itemPublished valueWindow or resetSource ID
PlansFree$0/monthUsage limits vary by planO2
PlansGo$8/monthUsage limits vary by planO2
PlansPlus$20/monthUsage limits vary by planO2
PlansProFrom $100/month5x or 20x higher rate limits than PlusO2
PlansBusiness$20/user/month billed annually; $25/user/month billed monthlyStandard Business local-message estimates match Plus table valuesO2
PlansEnterprise and EduContact salesFlexible pricing has no fixed rate limits; usage scales with creditsO2
API keyCodex through CLI, SDK, or IDE extensionUsage-based API pricingNo cloud-based Codex featuresO2
Local-message estimateGPT-6 Astra on Plus5-45 local messagesPer five-hour periodO2
Local-message estimateGPT-6 Astra on Pro 5x25-225 local messagesPer five-hour periodO2
Local-message estimateGPT-6 Astra on Pro 20x100-900 local messagesPer five-hour periodO2
Local-message estimateGPT-5.6 Sol on Plus10-100 local messagesPer five-hour periodO2
Local-message estimateGPT-5.6 Sol on Pro 5x50-500 local messagesPer five-hour periodO2
Local-message estimateGPT-5.6 Sol on Pro 20x200-2,000 local messagesPer five-hour periodO2
Local-message estimateGPT-5.6 Terra on Plus25-200 local messagesPer five-hour periodO2
Local-message estimateGPT-5.6 Terra on Pro 5x125-1,000 local messagesPer five-hour periodO2
Local-message estimateGPT-5.6 Terra on Pro 20x500-4,000 local messagesPer five-hour periodO2
Local-message estimateGPT-5.6 Luna on Plus250-2,000 local messagesPer five-hour periodO2
Local-message estimateGPT-5.6 Luna on Pro 5x1,250-10,000 local messagesPer five-hour periodO2
Local-message estimateGPT-5.6 Luna on Pro 20x5,000-40,000 local messagesPer five-hour periodO2
Shared allowanceChatGPT Work and CodexShared usage allowanceLocal messages and cloud chats share the allowance; weekly limits may applyO1, O2
Current account limitRemaining limit and reset timeNot published by OpenAICheck the usage dashboard or /status in an active Codex CLI sessionO1, O2
Usage reportingCurrent Work or Codex chat totalsRefreshes about once per minuteChat-level usage is an estimate and may omit some billable activityO3

Source Map

  1. O1. Using Codex with your ChatGPT plan: Usage limits by plan.
  2. O2. Pricing: Pricing options; What are the usage limits for my plan?.
  3. O3. Reviewing Work and Codex usage and using Personal Analytics in ChatGPT Desktop: Check monthly usage; Review usage for a single Work or Codex chat.

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