ChatGPT Plus rate limits for o3 and o4-mini-high doubled.

A source-linked change to usage terms or limits.

Exact effect time unavailable. The date below is when this change was announced, not proof that every account changed at that moment. This record is classified as completed; follow its sources for the available evidence.

What happened

Provider / product: OpenAI / ChatGPT
Plans: plus
Announced: Apr 24, 2025
Effective: Exact time not established
Audience: paid · ChatGPT Plus users of o3 and o4-mini-high
Model or pool: Not specified
Provider-stated reason: GPU strain was cited in press coverage

Primary evidence and context

Follow the original posts or documentation. Announcement posts and completion evidence can say different things; check each source's claim.

Research notes

Rate limits for o3 (reported as 50 to 100 messages/week) and o4-mini-high (reported as 100/day) were doubled for ChatGPT Plus, as announced by Sam Altman.