tokyo-based sakana ai released fugu, an architecture that consolidates multi-agent orchestration into a single model rather than using a pipeline of separate specialized models. the significance is architectural: current multi-agent systems typically require coordination layers between distinct models, adding latency and failure points; collapsing this into one model represents a structural simplification with potentially significant downstream implications for how complex agentic tasks are deployed. this is a genuine engineering shift rather than a benchmark or partnership announcement.