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AI Tools With Strong Product Market Fit

Lenny Rachitsky
Lenny Rachitsky
Dec 23, 2025

AI tools with the most product-market fit We asked my 1m+ newsletter subscribers “Which AI tool(s) would you be very disappointed to lose access to?” ChatGPT dominates. Half of respondents (50.2%) would be very disappointed to lose ChatGPT. Claude came in second, followed by Cursor, Gemini, and then Claude Code. It's interesting to see @meetgranola at #7, and @Lovable right after.

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Topics

product-market fitartificial intelligenceai toolsproduct managementuser adoptionsaasgrowth marketinginnovation

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