Details
Previous-generation Opus with frontier-level reasoning for complex agentic work and long-horizon tasks
Context window
1M tokens
Max output
128K tokens
Knowledge cutoff
May 2026
Provider
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Anthropic Claude
Pricing
Premium
PDF support
Yes
Zero Data Retention
Yes
Added
July 24, 2026
Replaced
September 22, 2026
Features
Extended thinking
Adaptive