Anthropic releases Claude 2.1 with a 200K-token context

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Claude 2.1 released, with a 200K-token context

Why it matters

The context-length race entered the 200,000-token range

Source — Primary sources first; secondary reports are labelled “Press”

Officialanthropic.comhttps://www.anthropic.com/news/claude-2-1

Added in Week 35, 2026 · See that week

On the map — ② RAG, Fine-Tuning line

  1. Previous stopGPT-4 Turbo
  2. This recordClaude 2.1
  3. Next stopGemini 1.5 Pro
See it on the map

In the model family tree — Claude family · 20 versions

  1. Earlier versionClaude Instant 1.2
  2. This recordClaude 2.1
  3. Later versionClaude 3
See the whole Claude family

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