Claude Sonnet 4.6
Premium Legacy Zero Data Retentionby Anthropic Claude
Details
Previous-generation Sonnet with adaptive thinking and long context support
Context window
1M tokens
Max output
64K tokens
Knowledge cutoff
August 2025
Provider
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Anthropic Claude
Pricing
Premium
PDF support
Yes
Zero Data Retention
Yes
Added
September 1, 2025
Replaced
June 30, 2026
Features
Extended thinking
Adaptive