Sakana AI launches "Ultra Deep Research" to automate weeks of strategy work

THE DECODER / 4/3/2026

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Key Points

Sakana AI has launched “Sakana Marlin,” an AI assistant aimed at business customers that can conduct autonomous research for up to eight hours.
The product is positioned to turn days or weeks of strategy work into a finished, analysis-ready deliverable.
“Ultra Deep Research” is currently available in beta testing, indicating an early rollout and potential iteration based on user feedback.
By focusing on end-to-end research and synthesis, the tool targets the strategy and analysis workflow rather than only generating drafts or summaries.

Logo or graphic from Sakana AI for the new product "Sakana Marlin", an AI research assistant for business customers.

Sakana AI has unveiled "Sakana Marlin," an AI assistant for business customers that researches autonomously for up to eight hours and delivers finished analyses. The tool is designed to compress weeks of strategy work into hours and is currently in beta testing.

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