BREAKING
Anthropic Launches Claude Sonnet 5
Opus-Level Skills at Sonnet Prices
Agentic Coding Benchmark
Sonnet 4.658.1
Sonnet 563.2
Opus 4.869.2
0$
Input per M
0$
Output per M
0$
Standard output
Strengths vs Limitations
Strengths
Completes complex multi-step tasks
Self-verifies its own outputs
End-to-end agent automation
Limitations
Mixed views on naturalness
0% on Firefox 147 exploit eval
Opus 4.8 still leads hardest tasks
A New Default for Coding Work
AI NEWS BLITZ
Anthropic has released Claude Sonnet 5, its most agentic mid-tier model yet.