Codex usage limits on ChatGPT plans
10 dated limit changes for OpenAI (Codex / ChatGPT). Vendor page: help.openai.com · Last updated
- ChatGPT Plus (Codex) ($20/mo): Five-hour + weekly (shared by Work and Codex)
- ChatGPT Pro 100 ($100/mo): None currently in Work and Codex
- ChatGPT Pro 200 ($200/mo): None currently in Work and Codex
- ChatGPT Pro 500 ($500/mo): None currently in Work and Codex
Most recent change (14 Oct 2026): GPT-5.5 retired from Codex for ChatGPT sign-ins.
Plans
| Plan | Price | |
|---|---|---|
| ChatGPT Plus (Codex) | $20/mo | Same 2026-10-14 |
| ChatGPT Pro 100 | $100/mo | Same 2026-10-14 |
| ChatGPT Pro 200 | $200/mo | Same 2026-10-14 |
| ChatGPT Pro 500 | $500/mo | none logged |
OpenAI limits: FAQ
What are the current OpenAI plan limits?
ChatGPT Plus (Codex) ($20/mo): Five-hour + weekly (shared by Work and Codex). ChatGPT Pro 100 ($100/mo): None currently in Work and Codex. ChatGPT Pro 200 ($200/mo): None currently in Work and Codex. ChatGPT Pro 500 ($500/mo): None currently in Work and Codex.
When did OpenAI last change its limits or pricing?
On 14 Oct 2026: GPT-5.5 retired from Codex for ChatGPT sign-ins. Now: GPT-5.5 removed; GPT-6.1 Sol recommended on paid plans.
How many times has OpenAI changed its limits?
10 dated, sourced changes logged since 2 Apr 2026: 2 increases, 4 cuts, 4 other.
Change history
GPT-5.5 retired from Codex for ChatGPT sign-ins
GPT-5.5 selectable in Codex with ChatGPT sign-in.GPT-5.5 removed; GPT-6.1 Sol recommended on paid plans.Details and source
From 19:00 UTC on Oct 14, GPT-5.5 is no longer available in Codex when signed in with ChatGPT. Paid plans should switch to GPT-6.1 Sol; API-key Codex sessions are unaffected. Update saved settings, configs and scripts that select gpt-5.5.
Vendor’s framing: “The OpenAI API and Codex sessions authenticated with an API key aren’t affected.”
Source: ChatGPT & Codex changelog · Announced: 2026-09-14 (notice) and 2026-10-14, ChatGPT & Codex changelog · Plans: ChatGPT Plus (Codex), ChatGPT Pro 100, ChatGPT Pro 200ChatGPT Pro 200: lower included allowance for new subscribers
Previous Pro 200 included allowance.Lower included allowance (no figure published); grandfathered users move over after 2026-10-29.Details and source
New Pro 200 subscriptions get a lower usage allowance ‘to reflect our increasingly efficient models’. Existing subscribers (active Sep 22–29) keep the old allowance through Oct 29. Price stays $200.
Vendor’s framing: “a lower usage allowance than previously offered with Pro 200 to reflect our increasingly efficient models”
Source: OpenAI Help Center · Announced: OpenAI Help Center, ‘About ChatGPT Pro tiers’ · Plans: ChatGPT Pro 200ChatGPT Plus: five-hour Codex limit is back
No five-hour limit on Plus.Rolling five-hour limit on Plus.Details and source
The rolling five-hour limit returned for Plus across ChatGPT Work and Codex; Pro $100 and $200 exempt.
Vendor’s framing: “Tomorrow we will bring back the 5h limit for Plus accounts across ChatGPT Work and Codex. I had mentioned this a while ago, but then postponed it”
Source: Digital Applied ledger (row 19; original report: explainx) · Announced: 2026-08-25, Tibo Sottiaux on X · Plans: ChatGPT Plus (Codex)Codex five-hour limit ‘restored’ (didn’t hold for Plus)
No five-hour limit.Five-hour limit restored as announced; whether it landed for Plus is not established.Details and source
OpenAI said the five-hour limit would return on Jul 30 with a full usage reset; on Aug 25 the same exec said he had postponed it.
Vendor’s framing: “Tomorrow, we’ll also restore the five-hour limit that we temporarily paused while investigating”
Source: Digital Applied ledger (row 18; original report: Codex Runway) · Announced: 2026-07-29, Tibo Sottiaux on X · Plans: ChatGPT Plus (Codex), ChatGPT Pro 100, ChatGPT Pro 200Codex five-hour limit temporarily removed (launch week)
Five-hour limit enforced alongside weekly limit.No five-hour limit (temporary).Details and source
During GPT-5.6 Sol launch week the rolling five-hour limit was removed for Plus, Business and Pro; weekly limits unchanged.
Vendor’s framing: A temporary removal during launch week
Source: Digital Applied ledger (row 17; original report: Morph) · Announced: 2026-07-12, Tibo Sottiaux on X · Plans: ChatGPT Plus (Codex), ChatGPT Pro 100, ChatGPT Pro 200Codex adds banked rate-limit resets
No user-controlled way to clear a rate limit.One banked reset per user at launch.Details and source
Rate-limit reset banking added: one free reset per user at launch, redeemable against a hit limit.
Vendor’s framing: A new capability
Source: Digital Applied ledger (row 16; original report: Ofox) · Announced: 2026-06-11, Codex changelog · Plans: ChatGPT Plus (Codex), ChatGPT Pro 100, ChatGPT Pro 200ChatGPT Pro $100: Codex usage drops from 10x to 5x Plus
10x ChatGPT Plus Codex usage (launch promo).5x ChatGPT Plus Codex usage.Details and source
The launch promotion (10x Plus Codex usage through May 31) ended; the standard 5x multiplier applies.
Vendor’s framing: Scheduled end of a launch promotion
Source: The Next Web · Announced: 2026-04-09 (end date stated at launch) · Plans: ChatGPT Pro 100Token-based Codex rate card extended to Enterprise, Edu and Gov
Per-message credit rate card.Token-based credit rate card.Details and source
The per-token credit rate card was extended to remaining existing Enterprise, Edu, Health, Gov and Teachers plans.
Vendor’s framing: Same as the April 2 change
Source: Digital Applied ledger (row 14; original: OpenAI Help Center Codex rate card) · Announced: On or before 2026-04-23, OpenAI Help CenterChatGPT Plus Codex allocation rebalanced toward steady daily use
Plus allowed longer burst sessions.Plus rebalanced toward steadier daily usage.Details and source
Announced with the new $100 Pro tier: Plus shifted toward steadier day-to-day usage rather than longer burst sessions.
Vendor’s framing: Presented as part of a tier launch, not as a reduction
Source: The Next Web · Announced: 2026-04-09 · Plans: ChatGPT Plus (Codex)Codex credits move from per-message to per-token pricing
Credits charged per message or per PR as approximate averages.Credits charged per 1M input, cached input and output tokens.Details and source
Codex credits for Plus, Pro, Business and new Enterprise switched to a token-based rate card (input, cached input, output). No conversion published.
Vendor’s framing: “we updated Codex pricing to align with API token usage, instead of per-message pricing”
Source: Digital Applied ledger (row 12; original: OpenAI Help Center Codex rate card) · Announced: On or before 2026-04-02, OpenAI Help Center · Plans: ChatGPT Plus (Codex), ChatGPT Pro 100, ChatGPT Pro 200