claude-sonnet-4-6AnthropicFast
Rank of 27273from #24

Known for

Spreadsheet, form and document work at mid-tier prices.

The Sonnet that brought a native 1M context to the mid tier and became Claude's default at launch. Superseded by Sonnet 5, and now dearer than it.

What it does6

  • 1M-token context, 128K output
  • Adaptive thinking and context compaction
  • Near human level on complex spreadsheets and web forms
  • Stronger prompt-injection resistance
  • Web results filtered through code execution
  • Legacy status, retirement not before February 2027

From Claude Sonnet 4.6’s own site. Not used for ranking.

14index score · LLMs

How well does it score?

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bottom 8%
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bottom 8%
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bottom 9%
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3 / 15 · bottom 35%

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