BREAKING
Anthropic Ships Claude Sonnet 5
0
$
Input per 1M (intro)
0
$
Output per 1M (intro)
0
%
Agentic coding score
Ultracode Auto-Workflow
1
Planning
↓
2
Agent generation
↓
3
Execution
↓
4
Self-verification
Sonnet 5 vs Opus 4.8
Sonnet 5
mid-tier
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Most agentic Sonnet yet
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Default on Free and Pro
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1M-token context
Opus 4.8
high-end
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Ahead on many benchmarks
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Released May 28, 2026
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Higher price tier
Reception Is Split
Opus-Class Work at Sonnet Price
AI NEWS BLITZ
Anthropic has launched Claude Sonnet 5, its most agentic mid-tier model yet.