Anthropic's Claude Sonnet 5.5 rivals Opus 5.5 at lower cost
anthropic releases claude sonnet 5.5, which nearly matches opus 5.5 on benchmarks while costing up to 30 percent less per task. this affects ai users who prioritize cost and performance.
anthropic has released claude sonnet 5.5, the second model in its claude 5.5 family. sonnet 5.5 generates output more than 30 percent faster and costs up to 30 percent less per task compared to its predecessor. on benchmarks, sonnet 5.5 nearly matches opus 5.5, with significant gains in coding and knowledge-work tests. for example, on terminal-bench 4.0, sonnet 5.5 scores 70.6 percent compared to sonnet 5's 10.3 percent. on gdpval-aa, a knowledge-work benchmark, sonnet 5.5 scores 1,844 points, nearly matching opus 5.5's 1,846 points. sonnet 5.5 is available now on aws, google cloud, and azure, and anthropic has added new safeguards against cybersecurity risks and distillation attacks. this release targets users who need efficient and cost-effective ai solutions for tasks like coding, writing, and data analysis.