How Opus 4.8 compares to Claude Mythos and GPT 5.5

How Opus 4.8 compares to Claude Mythos and GPT 5.5

Anthropic launched Claude Opus 4.8 this week, and Artificial Analysis reports that it narrowly tops the independent Artificial Analysis Intelligence Index at 61.4, compared with 60.2 for GPT-5.5 (xhigh). In Anthropic’s announcement for the model, Opus 4.8 looks mostly like an incremental upgrade over 4.7, but the company noted that its heavily-promoted Mythos model would… The post How Opus 4.8 compares to Claude Mythos and GPT 5.5 appeared first…

Claude Opus 4.8: Anthropic Launches Its Most Capable AI Model Yet With Dynamic Workflows and Agent Swarms

Anthropic Releases Opus 4.8: What’s New and Why It Matters Anthropic shipped Claude Opus 4.8 on May 28, bringing a notable upgrade to its flagship AI model just six weeks after the previous version. The release signals an accelerated development pace from the company as it races to keep up with OpenAI and Google in the rapidly evolving AI landscape. The new model is available globally at the same pricing as Opus 4.7: $5 per million input tokens …