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Sadayuki Furuhashi

What Sadayuki Furuhashi thinks about OpenAI

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

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  1. code generation

    GPT-5の新しいツール呼び出し形式は精度向上に結構寄与しそう。JSON引数で必要だったエスケープが不要になるのは大きい。コード生成でインデントが壊れるような問題が減るのでは。

    ↗@frsyuki on Xx.com

  2. 7 weeks earlier
  3. Anthropicdesign

    Claude 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