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Unwrapping the wrappers: who actually trains their own models, and why

Cursor, Intercom, Replit and Perplexity all train specialist models on their own production data. Each picked one narrow, high-volume task, trained on traffic no competitor can access, and shipped a model that matches or beats frontier APIs on that job at lower latency and cost. None of them tried…

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  1. 2026-09-29 10:54 · DEV Community — Machine Learning
    Unwrapping the wrappers: who actually trains their own models, and why

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