Sakana AI Releases Fugu Ultra v2 for Multi-Step Reasoning
September 14, 2026
Fugu Ultra v2 utilizes a language model to route tasks across specialized models and perform recursive calls. The architecture is optimized for complex, multi-step reasoning tasks.
HOW THIS AFFECTS YOU
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builderYou can implement similar router-based architectures to manage heterogeneous model ensembles.
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researcherThe recursive calling mechanism offers a new direction for improving agentic reasoning.