Sakana Fugu releases Fugu Max and Fugu Ultra v2 multi-agent orchestration models

Sakana AI released Fugu Max and Fugu Ultra v2, multi-agent orchestration systems that route tasks across a pool of open-weights and specialized models.

The source says Fugu Max delivers performance within striking distance of elite models at two to six times lower cost, while Fugu Ultra v2 outperforms Opus 5 and Fable 5 on Chartography and outperforms models costing three to five times more per token on DeepSWE.