What Sadayuki Furuhashi thinks about OpenAI
Author of the open source projects MessagePack, Fluentd and Embulk, and co-founder and chief architect of Treasure Data.
Sadayuki Furuhashi did not write this page.
We collected these quotes from things they published elsewhere, and every quote links to where it was said. They have no account here and have not endorsed this site. Quotes are word for word; the short line under each one is our own restatement, not their wording. Their own site. Is this you? Claim it or ask us to remove it. Or tell us what is wrong here.
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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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Their wordsGPT-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。
- 7 weeks earlier
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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