Anthropic's Claude Sonnet 5.5 nearly matches Opus 5.5 on benchmarks while costing up to 30 percent less per task

Anthropic released Claude Sonnet 5.5, which delivers nearly matching performance to Opus 5.5 while being 30% faster and up to 30% cheaper per task. The model shows significant improvements on coding benchmarks and completes Anthropic's Claude 5.5 family with Haiku coming soon.
Why it matters
Businesses can now get high-quality AI capabilities at lower cost, making advanced AI tools more accessible to more organizations.



