The Jev launch post
Diogo Almeida introduces Jev, TypeSafe’s structured decision model. Watch the launch film and explore the original thread for the model’s approach, examples and author-reported performance.
Latest addition
Source check
Recent activityA FIELD GUIDE TO JEV / VOL. 01
The best of Jev. Real projects, practical guides and ideas from across the internet.
Diogo Almeida introduces Jev, TypeSafe’s structured decision model. Watch the launch film and explore the original thread for the model’s approach, examples and author-reported performance.
TypeSafe’s official launch announcement introduces the lab and points builders to Jev. It includes Diogo Almeida’s launch film and original introduction.
TypeSafe announces public access to Jev without a waiting list. The official console is the starting point for trying typed decisions in your own application.
TypeSafe highlights Jev’s typed-output approach: applications provide state and questions, then act on probabilities, choices or scores. The linked announcement also covers the Venice API integration.
Start with the Launch Post. Explore four official signals.
49 resources
AI-assisted summaries and translations. Check original sources for context and performance claims.
Shortest path from an API key to a typed decision.
JEVLAB ARTSource-linked curation
Introduction, primitives, patterns, cookbooks, HTTP API, and SDK references.
Source-linked curation
Reproducible recipes: parallel questions, reranking, guardrails, citation checks, extraction, hierarchical classification.
Source-linked curation
Choice, Score, and Noul: the three question types and what they return.
Source-linked curation
Speculative fan-out, confidence-gated routing, composite scoring, and intent routing.
Source-linked curation
Official interactive demo of speculative fan-out: many questions in one call, code keeps the relevant answers.
Source-linked curation
Known failure modes of the current public model, documented by TypeSafe.
Source-linked curation
Request and response contract for POST /v1/systemone.
Source-linked curation
Official TypeSafe reference: Introduction.
Source-linked curation
Official TypeSafe reference: SDE cascade.
Source-linked curation
Official TypeSafe reference: Composite scoring.
Source-linked curation
Official TypeSafe reference: System One.
Source-linked curation
Official TypeSafe reference: Date extraction.
Source-linked curation
Official TypeSafe reference: Changelog.
Source-linked curation
Official TypeSafe reference: Line-by-line search.
Source-linked curation
Official TypeSafe reference: Function calling.
Source-linked curation
Official TypeSafe reference: Noul.
Source-linked curation
Official TypeSafe reference: Self-consistency: choices.
Source-linked curation
Official TypeSafe reference: AI primer.
Source-linked curation
Official TypeSafe reference: State.
Source-linked curation
Official TypeSafe reference: Legal.
Source-linked curation
Official TypeSafe reference: Pre-parsed value extraction.
Source-linked curation
Official TypeSafe reference: Guardrails for LLMs.
Source-linked curation
Official TypeSafe reference: JavaScript SDK.
Source-linked curation
Official TypeSafe reference: Choice.
Source-linked curation
Official TypeSafe reference: Self-consistency: nouls.
Source-linked curation
Official TypeSafe reference: Demos.
Source-linked curation
Official TypeSafe reference: Example use cases.
Source-linked curation
Official TypeSafe reference: Re-ranking.
Source-linked curation
Official TypeSafe reference: Score.
Source-linked curation
Official TypeSafe reference: Confidence-gated routing.
Source-linked curation
Official TypeSafe reference: Classification using confidence.
Source-linked curation
Official TypeSafe reference: Client SDKs.
Source-linked curation
Official TypeSafe reference: Intent routing.
Source-linked curation
Official TypeSafe reference: Confidence.
Source-linked curation
Official TypeSafe reference: Agent skill.
Source-linked curation
Official TypeSafe reference: TypeSafe Python SDK.
Source-linked curation
Official TypeSafe reference: Double-checking citations.
Source-linked curation
Official TypeSafe reference: API reference.
Source-linked curation
Official TypeSafe reference: Speculative fan-out.
Source-linked curation
Official TypeSafe reference: API reference.
Source-linked curation
Official TypeSafe reference: Advanced: structure.
Source-linked curation
Official TypeSafe reference: How to build with TypeSafe.
Source-linked curation
Official TypeSafe reference: Usage.
Source-linked curation
Official TypeSafe reference: Structure recovery.
Source-linked curation
Official TypeSafe reference: Knowledge graph entity alignment.
Source-linked curation
Official TypeSafe reference: Autoresearch feature discovery.
Source-linked curation
Official TypeSafe reference: Hierarchical classification.
Source-linked curation
Official TypeSafe reference: Classifying RAG passages.
Source-linked curation