andrew chen(@andrewchen):the fragility of product/market is shown each week in the never ending race as AI models improve improve improve newer models make prior ones obsolete, showing that PMF isn’t just about your product’s features, but how it compares to alternatives across the ecosystem Product/market fit follows the frontier. What was perfectly good and powerful one week is ignored the next. I know that a few months ago I thought Opus 4.5 was amazing. Today I can’t imagine using it when Opus 5 is available Thus your moat depends on your ability to deliver the next innovation, then the next after that…

2026.08.04 05:09

the fragility of product/market is shown each week in the never ending race as AI models improve improve improve newer models make prior ones obsolete, showing that PMF isn’t just about your product’s features, but how it compares to alternatives across the ecosystem Product/market fit follows the frontier. What was perfectly good and powerful one week is ignored the next. I know that a few months ago I thought Opus 4.5 was amazing. Today I can’t imagine using it when Opus 5 is available Thus your moat depends on your ability to deliver the next innovation, then the next after that…

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