Japan's 'Sakana Fugu' multiagent AI scores well against Fable 5, GPT 5.5 - Nikkei Asia

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Artificial intelligenceJapan's 'Sakana Fugu' multiagent AI scores well against Fable 5, GPT 5.5<br>Service taps several large language models to outperform on certain benchmarks

Sakana AI is Japan's most valuable unlisted unicorn startup, worth over $2.5 billion. (Sakana AI)<br>HAYATO KISHIMA<br>June 23, 2026 03:46 JST

TOKYO -- Japanese startup Sakana AI announced Monday the public release of the Sakana Fugu service that combines multiple artificial intelligence models into one collaborative workflow.

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