Overview
The balanced Claude 4 tier with stronger coding, reasoning, instruction following, and parallel tool use.
Claude Sonnet 4
The balanced Claude 4 tier with stronger coding, reasoning, instruction following, and parallel tool use.
MODEL NUMBER046
- Release date
- 2025-05-22
- Organization
- Anthropic
- Family
- Claude
01
Specifications
Only published specifications are shown.
02
Overview
PreviousClaude Opus 4— · 200K ctx
CurrentClaude Sonnet 4— · 200K ctx
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Architecture & capabilities
Key capabilities
CodingTool useExtended thinking
05
Release history
Claude Sonnet 4 launched as the balanced Claude 4 tier.
View source06
Related models
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