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Sakana AI Develops "Proposal Auto-Generation Application" Using Multiple AI Agents in Collaboration with SMBC Group

Sakana AI

Sakana AI developed an automated proposal generation application for Sumitomo Mitsui Banking Corporation to streamline wholesale banking processes. The application reduces proposal writing time from one to two weeks to several hours or tens of minutes by deploying multiple AI agents that perform data collection, analysis, hypothesis building, and fact-checking. Bank employees can now focus on strategic problem-solving while AI handles document creation and identifies insights humans might overlook.

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Sakana AI、SMBCグループと共同で複数AIエージェントを活用する「提案書自動生成アプリケーション」を開発

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TLDRocket 21 July 2026

The open-weight AI model market hit an inflection point today as Alibaba and Kimi released trillion-parameter competitors that challenge the closed-model orthodoxy—just as Washington moved to restrict them. Alibaba's Qwen 3.8 Max (2.4 trillion parameters) and Kimi K3 (2.8T) are going open-weight, with K3 ranking first on Frontend Web App Arena and fourth on agentic benchmarks, signaling that scale and transparency can coexist. The timing matters: while U.S. policymakers weigh layered restrictions on Chinese open models, technical experts are pushing back hard, arguing that closed gardens actually hurt security and competition more than they help. The real fragmentation risk isn't technical—it's regulatory.

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Sakana AI Develops "Proposal Auto-Generation Application" Using Multiple AI Agents in Collaboration with SMBC Group

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