Why it's hard to build a web index, objectively harder than building a GPT-4.1. Argument: there are just fewer people – literally two (G and M) – who have done it well.
Web Indexing Harder Than Building GPT: Market Concentration
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Why it's hard to build a web index, objectively harder than building a GPT-4.1. Argument: there are just fewer people – literally two (G and M) – who have done it well.