Lenny's Newsletter · 30 September 2026 · Operating Insight

Jev: 8 real use cases for the fastest, cheapest model I’ve ever used | John Lindquist

Lenny Rachitsky

John Lindquist demonstrates eight practical applications of Jev, a fast decision-engine model, for building AI-powered features: real-time voice commands, data deduplication, app routing, and multi-agent coordination. The piece emphasizes when lightweight decision models outperform full generative LLMs on speed and cost.

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Topics: Developer Tools · AI (Horizontal)

Published by Lenny's Newsletter · their site ↗

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