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OpenAI had a partnership with Bing, but also run their own crawling and indexing infrastructure. Does ChatGPT decide any Bing at all these d…

OpenAI has collaborated with Microsoft’s Bing while also running its own web‑crawling and indexing systems, and Anthropic similarly relies on search‑derived data. Both firms prominently incorporate se

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OpenAI has collaborated with Microsoft’s Bing while also running its own web‑crawling and indexing systems, and Anthropic similarly relies on search‑derived data. Both firms prominently incorporate search into their AI products yet provide little visibility into the underlying index or source material they use to fetch or verify information. This opacity raises questions about how these models acquire, filter, and display external knowledge.

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Source: Simon Willison (X) | 2026-07-30

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