Rohan Paul(@rohanpaul_ai):Open models are no longer losing at the top of the funnel on benchmark-performance; they are losing at the last mile. 79% of developers use them, but only 51% reach production vs 63% for closed models, vendor-backed deployments reach production at 67% versus 33% for internal builds, and the closed-open production gap actually widens from 1 point in small firms to 16 points in enterprises. People are dropping them because they're harder to run reliably.

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Rohan Paul@rohanpaul_ai

2026.09.16 22:43

Open models are no longer losing at the top of the funnel on benchmark-performance; they are losing at the last mile. 79% of developers use them, but only 51% reach production vs 63% for closed models, vendor-backed deployments reach production at 67% versus 33% for internal builds, and the closed-open production gap actually widens from 1 point in small firms to 16 points in enterprises. People are dropping them because they're harder to run reliably.