No Fable 5, No Problem: Sakana AI Says Fugu Hits the Same Marks

Sakana AI has launched Fugu, a multi-agent orchestration system, with its flagship Fugu Ultra claiming to match the performance of Anthropic’s export-restricted Fable and Mythos models. The Tokyo-based startup positions Fugu as a hedge against vendor lock-in, arguing that orchestrating a pool of swappable models lets users sidestep the restrictions that recently pulled Fable and