Codex Secondary
ChatGPT Pro adds a $500 tier
Data as of · Last verified against vendor not re-checked against the vendor for this entry · Page updated
On 29 Sep 2026, OpenAI: New $500 Pro; Pro 200 reopens with lower allowance (grandfathered move after 2026-10-29).
PlanYield, 'ChatGPT Pro adds a $500 tier', updated 16 Oct 2026, https://planyield.dev/changes/2026-09-29-codex-pro-500/
What the source says
New $500 Pro; Pro 200 reopens with lower allowance (grandfathered move after 2026-10-29) Status recorded in the seed: secondary.
Source: limitsheet.com.
Plans this touches
ChatGPT Free · ChatGPT Go · ChatGPT Plus · ChatGPT Pro · ChatGPT Business
Current limits: Codex usage limits
Other OpenAI changes
14 Oct 2026 GPT-5.5 leaves Codex ChatGPT sign-in · 12 Jul 2026 Codex 5-hour limit removed, then restored for Plus · 2 Apr 2026 Codex moves to token credits
Get the Monday diff when the next change lands. All changes