Japanese AI startup Sakana has posted benchmark results and beta tester impressions saying that its Fugu models compare favorably with or beat the likes of Fable 5, Gemini 3.1 Pro, and GPT-5.5. The company says Fugu carefully chooses when to use other frontier AI models like Claude and Gemini on specific tasks, although it doesn’t tell users which model was used for what. “Over time, Sakana Fugu will naturally grow by incorporating newer, more efficient models, including our own.” [Image: https://platform.theverge.com/wp-content/uploads/sites/2/2026/06/benchmark-fugu-grid.png?quality=90&strip=all]

Japanese AI startup Sakana AI is launching Fugu, a system that coordinates multiple AI models on the fly to compete with leaders like Anthropic's Fable 5. The approach also aims…

Sakana AI unveils Fugu, a multi-agent orchestration system scoring 73.7 on SWE-Bench Pro, rivaling Anthropic's frontier models through a single API