Anthropic added a line to its own page about limits that was not there before, reading "3 Sonnet 4.x rate limit is a total limit that applies to combined traffic across Sonnet 4.6 and Sonnet 4.5. Claude Sonnet 5 has a separate r".

AnthropicLIMITSADDEDTUE SEP 1, 18:26

The line, as the page carries it

+3 Sonnet 4.x rate limit is a total limit that applies to combined traffic across Sonnet 4.6 and Sonnet 4.5. Claude Sonne: "3 Sonnet 4.x rate limit is a total limit that applies to combined traffic across Sonnet 4.6 and Sonnet 4.5. Claude Sonnet 5 has a separate rate limit and is not part of this combined bucket."

The record

DOCUMENThttps://platform.claude.com/docs/en/api/rate-limits
SOURCEanthropic-rate-limits
ROW3 Sonnet 4.x rate limit is a total limit that applies to combined traffic across Sonnet 4.6 and Sonnet 4.5. Claude Sonne
OPERATIONadded
BEFORENothing was recorded because the row did not exist.
AFTER3 Sonnet 4.x rate limit is a total limit that applies to combined traffic across Sonnet 4.6 and Sonnet 4.5. Claude Sonnet 5 has a separate rate limit and is not part of this combined bucket.
READ AT2026-09-01T18:26:35.450Z
SIGNALSmodelId, limit

What went out

  • BLUESKY2026-09-04 18:05Anthropic added a line to its rate limits page in the Claude platform docs: "3 Sonnet 4.x rate limit is a total limit that applies to combined traffic across Sonnet 4.6 and Sonnet 4.5. Claude Sonnet 5 has a separate rate limit and is not part of this combined bucket. #TechBluesky

When a lab changes a document

The engine refetches every registered document on a schedule and files the line that moved. Model cards, system cards, pricing pages, API changelogs and deprecation notices all change without an announcement. Leave an address and Context Window writes when one does.