TREE NEWS update: A new AI model called Jev has gone viral in developer circles for doing one thing only: making judgments. TypeSafe’s tests show Jev runs up to 193.6x faster and up to 444.6x cheaper than frontier models, charging $0.042 per million input tokens with free output tokens. Founder Diogo Almeida, an OpenAI and RLHF veteran, positions Jev as a System One Model for high-frequency AI agent decisions.
AI Model Jev Goes Viral for Making Judgments Only, Up to 193.6x Faster
The pitch here is architectural rather than incremental: a judgement-only model that trades general capability for latency and cost, aimed at the agent loop where most decisions are small and repetitive. That reframes the economics of high-frequency agent workflows, where routing every micro-decision to a frontier model is the default cost driver. The open question is whether narrow judgement holds up outside benchmark conditions, and whether "System One" framing becomes a category or stays a single vendor's positioning.
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