Context Window
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Anthropic changed a stated limit for Context window. It said "1M tokens | 1M tokens | 1M tokens | 200K tokens" and it now says "1M tokens | 1M tokens | 1M tokens | 1M tokens".

AnthropicLIMITSCHANGEDWED OCT 7, 18:15

The line, as the page carries it

-Context window1M tokens | 1M tokens | 1M tokens | 200K tokens
+Context window1M tokens | 1M tokens | 1M tokens | 1M tokens

The record

DOCUMENThttps://platform.claude.com/docs/en/models/overview
SOURCEanthropic-models-doc
ROWContext window
OPERATIONchanged
BEFORE1M tokens | 1M tokens | 1M tokens | 200K tokens
AFTER1M tokens | 1M tokens | 1M tokens | 1M tokens
READ AT2026-10-07T18:15:18.908Z
SIGNALSlimit

What went out

    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.