Anthropic added Claude Opus 4.x 2 to its own page about limits, reading "1,000 | 2,000,000 | 400,000".

AnthropicLIMITSADDEDTUE SEP 1, 18:26

The line, as the page carries it

+Claude Opus 4.x 2: "1,000 | 2,000,000 | 400,000"

The record

DOCUMENThttps://platform.claude.com/docs/en/api/rate-limits
SOURCEanthropic-rate-limits
ROWClaude Opus 4.x 2
OPERATIONadded
BEFORENothing was recorded because the row did not exist.
AFTER1,000 | 2,000,000 | 400,000
READ AT2026-09-01T18:26:35.433Z
SIGNALSmodelId, limit

What went out

  • BLUESKY2026-09-03 15:36Anthropic's rate limits page, the one that says how much you can send its models, now lists a row for Claude Opus 4.x 2 that reads "1,000 | 2,000,000 | 400,000". There was no row for it before. #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.