Firehose

16 SEP 2026 · Swyx

[AINews] Jev: a “System One Model” that only decides/classifies/routes/scores — >100x faster, >200x cheaper than small frontier LLMs

TypeSafe's Jev, a "System One Model" trained with RLCD, claims to be 20-200x faster and 40-400x cheaper than small frontier LLMs, offering parallel sampling, "no hallucination", and calibration, and is suited for structured classifiers/judges/routing policies in production systems. AI summary

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[AINews] Jev: a “System One Model” that only decides/classifies/routes/scores — >100x faster, >200x cheaper than small frontier LLMs