Claude Sonnet 4.6: 1M Context, 300K Output, Agentic Coding

📰 Dev.to · Jangwook Kim

Claude Sonnet 4.6 delivers 79.6% SWE-bench, 1M token context, and 300K batch output at $3/MTok. Complete API guide with adaptive thinking and compaction.

Published 21 Apr 2026
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