OpenAI Codex Pro $100 temporary doubled-usage promo ended May 31, 2026; current site copy now treats Pro as standard 5x unless a new official promo appears.
high impact · checked 2026-06-02 · confidence high
View sourceOpenAI Codex pricing can involve ChatGPT plan access, CLI usage, cloud tasks, credits, and API-key workflows. This page separates public plan access from API billing and account-specific limits so developers can compare subscription fit, usage risk, and fallback options before upgrading.
$20/mo estimate
Why this plan: Your CLI-heavy workflow at 18h/week creates a 29 intensity score (regular bucket). Pro is the lowest known Claude Code option in the current source data that matches this usage bucket.
Tradeoff: Claude still applies usage, session, model, attachment, and tool limits. Higher plans reduce limit pressure but do not remove it.
Alternative: Compare the full Claude Code pricing guide before committing to this plan.
Next step: Open the official source, confirm Pro availability, then compare it against your real weekly usage and team size.
Caveat: Usage limits are affected by message length, attachments, tools, model choice, and conversation length.
Every row is rendered with provider names as plain text, source links, last-checked dates, confidence, and caveats. Prices and usage limits can change; verify official sources before purchasing.
| Tool | Plan | Monthly | Best fit | Source / freshness | Caveat |
|---|---|---|---|---|---|
| Codex | ChatGPT Free + Codex | $0/mo | trial, light tasks | Source Checked 2026-06-02 · high | Capabilities and trial limits can change; verify source before publishing exact limits. |
| Codex | ChatGPT Go + Codex | $8/mo | lightweight coding tasks | Source Checked 2026-06-02 · high | Go plan may vary by region and product availability. |
| Codex | ChatGPT Plus + Codex | $20/mo | solo developer, few focused coding sessions per week | Source Checked 2026-06-02 · high | Included limits vary by model/local/cloud/code-review mode; promo periods can change effective allowance. |
| Codex | ChatGPT Pro 5x + Codex | From $100/mo | longer higher-intensity sessions, Codex-heavy individual | Source Checked 2026-06-02 · high | The 2026-05-31 promo window has ended; use standard 5x unless the official source shows a new active promotion. |
| Codex | ChatGPT Pro 20x + Codex | $200/mo | very heavy Codex user, daily high-intensity agent sessions | Source Checked 2026-06-02 · high | Plus baseline and exact limits depend on model and usage mode; do not carry forward expired promo wording. |
| Codex | Codex with API key | Token/API based | CI automation, shared environments, programmatic workflows | Source Checked 2026-06-02 · high | API mode does not equal ChatGPT subscription mode and may delay access to some Codex models/features. |
OpenAI Codex pricing can involve ChatGPT plan access, CLI usage, cloud tasks, credits, and API-key workflows. This page separates public plan access from API billing and account-specific limits so developers can compare subscription fit, usage risk, and fallback options before upgrading.
Show plan rows with price_display, billing_period, usage_or_limit_notes, region/tax caveat, source_url, last_checked, confidence, and correction link.
Compare light solo developer, heavy agent user, team lead, and API-heavy builder scenarios. State assumptions and link to calculator result.
Explain that prices, usage pools, reset windows, model access, taxes, regional availability, and enterprise terms may change. Link to changelog and contact correction route.
Pricing changes are part of the product, not a footnote. Check the dated changelog before making a plan decision.
high impact · checked 2026-06-02 · confidence high
View sourcehigh impact · checked 2026-06-02 · confidence high
View sourcemedium impact · checked 2026-06-02 · confidence high
View sourceYes. This is an independent guide and is not affiliated with or endorsed by OpenAI. Brand names are used only to identify the product being discussed.
No. Calculator and table outputs are estimates based on public assumptions. Your actual bill or account limits may vary by region, plan, taxes, promotions, and provider policy changes.
Check plan price, included usage or credits, reset behavior, model access, team controls, overage or on-demand terms, source link, and last-checked date.
Paid plans can still have capacity, credit, model, or reset-window constraints. Heavy agent sessions, long context, cloud tasks, or advanced models may consume more capacity.
No. P0 should not connect to provider accounts or collect tokens, billing credentials, API keys, or private usage dashboards.
Use the contact or correction link with a source URL. Updated facts should create or update a changelog entry.