Claude Code 5-hour limits +20% with the Opus 5.5 launch, and Opus 5.5 goes about 25% further.

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: Anthropic / Claude Code
Plans: pro, max5, max20, team, enterprise_seat
Announced: Sep 22, 2026, 16:44 UTC
Effective: Exact time not established
Audience: paid · Claude Code paid plans (press: Pro, Max, Team, seat-based Enterprise)
Model or pool: Not specified
Provider-stated reason: Opus 5.5 launch

Primary evidence and context

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

Source 1: @ClaudeDevs ↗official
Source 2: www.macrumors.com ↗press

Research notes

5-hour session limits in Claude Code rose 20%, and the cheaper Opus 5.5 goes about 25% further within 5-hour and weekly limits.