Jev Explained: open-source playground teaches TypeSafe's 100ms probabilistic model with 4 examples
gaganghotra_ · x · 2026-09-22
Developer davila7 released Jev Explained, an open-source project with 4 runnable examples showing how TypeSafe's Jev model works in practice.
- Jev is not a chat LLM: it doesn't generate text. You send it a state (an email, market snapshot, an agent's tool call, a whole inbox) plus typed questions, and it returns calibrated probabilities in a single 100ms round trip; your code thresholds on those numbers to decide.
- The interactive playground walks through Jev's three primitives step by step.
- The author's suggested way to learn: clone the repo, open Claude Code or Codex, and ask it to build a new example using the codebase as context. Runs with a TypeSafe API key or Vercel AI Gateway.
- Live demo and repo are public.
Related event: Jev Explained: Open-Source Project Teaches Jev via 4 Runnable Examples(2 posts)→
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