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Claude Opus 4.1
Exceptional reasoning model for specialized complex tasks requiring advanced analytical capabilities
Parameters
N/A
Context
200,000 tokens
Released
Aug 5, 2025
Leaderboards
Average Score combining domain-specific Autobench scores; Higher is better
Performance vs. Industry Average
Context Window
Claude Opus 4.1 has a smaller context window than average (406k tokens), with a context window of 200k tokens.