What Sadayuki Furuhashi thinks about Anthropic

@sadayuki-furuhashi · 8 positions · On ppll ↗

Author of the open source projects MessagePack, Fluentd and Embulk, and co-founder and chief architect of Treasure Data.

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1 dated position, 2025, in their own words. Our reading of what Sadayuki Furuhashi has said — not written or endorsed by them.

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1. 20 Jun 2025, 23:36 UTC

   Our readingThe usability of tools like Claude Code and ChatGPT depends more on the completeness of the whole agent than on the underlying model, so the main arena of AI development has moved from models to agents

   OpenAIdesign

   Their wordsClaude CodeもChatGPTも、中身は生成モデルに多様なツール群とシステムプロンプトを組み合わせたエージェントで、生成モデルそのものよりエージェント全体としての完成度が使い勝手を左右している。というよりAI開発の主戦場はモデル開発からエージェント開発に移っているんだけども

   ↗@frsyuki on Xx.com