Claude Opus 5.5

ModelsMoonshot Debuts First AI Upgrade Since Its Own DeepSeek MomentOct 23 · 52 sources

ModelsAnthropic Unveils More Cost-Efficient Opus 5.5 Model Before IPOSep 22 · 6 sources

ModelsAnthropic's Claude Sonnet 5.5 nearly matches Opus 5.5 on benchmarks while costing up to 30 percent less per taskSep 28 · 3 sources

ModelsHow Kimi K3.1 Pro stacks up against Claude Opus 5.5 and GPT-6 AstraOct 24 · 4 sources

Covered by 1 source