[Anthropic · anthropic.com](<https://www.anthropic.com/news/claude-2-1>)

# Introducing Claude 2.1

Claude 2.1 brings a 200K token context window, a 2x reduction in hallucination rates, beta tool use, and system prompts.

1. [Releases · Anthropic](<https://curation.space/anthropic/releases>)