{"slug": "sakana-fugu-ultra-promises-to-deliver-the-best-frontier-level-performance", "title": "Sakana Fugu Ultra promises to deliver \"the best frontier-level performance\"", "summary": "Japanese AI startup Sakana claims its Fugu Ultra model delivers frontier-level performance by selectively using other AI models like Claude and Gemini for specific tasks, outperforming competitors such as Fable 5, Gemini 3.1 Pro, and GPT-5.5 in benchmarks. The company does not disclose which models are used for each task, stating that Fugu will evolve over time by incorporating newer models.", "body_md": "R\n\nSakana Fugu Ultra promises to deliver “the very best frontier-level performance” by... using frontier AI models.\n\nJapanese AI startup Sakana has [posted benchmark results and beta tester impressions](https://sakana.ai/fugu-release/) saying that its Fugu models compare favorably with or beat the likes of Fable 5, Gemini 3.1 Pro, and GPT-5.5.\n\nThe company [says](https://github.com/SakanaAI/fugu/blob/main/Fugu_technical_report.pdf) Fugu carefully chooses when to use other frontier AI models like Claude and Gemini on specific tasks, although it [doesn’t tell users](https://sakana.ai/fugu/#:~:text=No.-,The%20specific%20models,-Fugu%20selects%20and) which model was used for what. “Over time, Sakana Fugu will naturally grow by incorporating newer, more efficient models, including our own.”\n\n**Follow topics and authors** from this story to see more like this in your personalized homepage feed and to receive email updates.\n\nLoading comments\n\nGetting the conversation ready...\n\n## Most Popular\n\nMost Popular\n\n- Meta launches cheaper smart glasses without Ray-Ban\n- The best Prime Day deals we found on our favorite gear\n- The Steam Machine is the most ambitious game console I’ve ever played\n- Valve will finally let you build your own Steam Machine with SteamOS for desktop\n- Elon Musk and the plot to hijack America’s broadband", "url": "https://wpnews.pro/news/sakana-fugu-ultra-promises-to-deliver-the-best-frontier-level-performance", "canonical_source": "https://www.theverge.com/ai-artificial-intelligence/953904/sakana-fugu-ai", "published_at": "2026-06-24 05:15:05+00:00", "updated_at": "2026-06-24 05:43:58.788003+00:00", "lang": "en", "topics": ["artificial-intelligence", "large-language-models", "ai-startups", "ai-products"], "entities": ["Sakana", "Fugu Ultra", "Fable 5", "Gemini 3.1 Pro", "GPT-5.5", "Claude", "Gemini"], "alternates": {"html": "https://wpnews.pro/news/sakana-fugu-ultra-promises-to-deliver-the-best-frontier-level-performance", "markdown": "https://wpnews.pro/news/sakana-fugu-ultra-promises-to-deliver-the-best-frontier-level-performance.md", "text": "https://wpnews.pro/news/sakana-fugu-ultra-promises-to-deliver-the-best-frontier-level-performance.txt", "jsonld": "https://wpnews.pro/news/sakana-fugu-ultra-promises-to-deliver-the-best-frontier-level-performance.jsonld"}}