Education and guides with decision models

Official TypeSafe cookbook pattern: extract dates with typed questions and do validation and arithmetic in code.

Official TypeSafe cookbook example for checking whether source context actually supports a claim.

Curator note summarising migration from Jev's preview evaluation endpoint to the stable POST /v1/systemone API.

OpenRouter cookbook recipe gating agent tool calls with deterministic checks plus Jev Noul probabilities and fixed thresholds.

TypeSafe's official reference for the POST /v1/systemone request and response contract used by Jev.

TypeSafe's launch post for System One models and Jev, covering the interface, RLCD training, pricing, demos and caveats.

TypeSafe's documentation of where Jev 1.13 is known to fail: counting, dates, indirection, distractors, adversarial state and more.

Bilingual site cataloguing 500+ open-source Jev projects, gated by Jev itself, plus sixteen design patterns from real code.

Directory of Jev builds, guides and posts with each author's reported cost and speed, plus free Jev-powered tools.

TypeSafe docs page listing Jev version IDs, aliases, request limits, rate limits and pricing for /v1/systemone.

TypeSafe cookbook showing how to evaluate many typed questions over one shared state in a single Jev request.

TypeSafe docs page on decision patterns: speculative fan-out, confidence-gated routing, composite scoring and intent routing.

TypeSafe docs page defining Jev's three question types, Choice, Score and Noul, and what each returns.

TypeSafe's official quickstart page: the shortest path from an API key to a first typed Jev decision.

TypeSafe's official cookbook for a two-stage skill-suggestion workflow that selects a skill and can reject the shortlist.

TypeSafe cookbook on why repeated Jev calls can differ, showing how an abstention rule raises repeat agreement.

TypeSafe AI's homepage: product overview of the Jev System One model and early-access waitlist.

Flavio Copes' hands-on walkthrough of Jev and the System One idea, aimed at developers who have only seen LLM marketing.

Practical guide to Jev covering the playground, Python and JS SDKs, raw HTTP calls and the agent skill.

Tutorial contrasting one-pass option probabilities from a decision model with an LLM that needed 11 passes to emit the same JSON.

Curator note: TypeSafe's llms.txt revealed 18 official Jev cookbook recipes with runnable code, datasets and measured figures.

Dev.to article on Jev's founder and a walkthrough of using Jev through the Vercel AI SDK's evaluate integration.

Latent Space podcast episode with TypeSafe's Diogo Almeida on RLCD, intelligence per dollar, reliability and post-chat interfaces.

Blog post building the smallest working Jev-style decision loop in 25 lines of Python, with a busy HN debate.

Vercel's decision guide on when to use a System One model like Jev versus a frontier model like GPT-6 Astra.

The Neuron's explainer article on TypeSafe's Jev and System One models: AI decisions without a chatbot.

DataCamp blog overview of Jev and System One models covering the primitives, pricing and TypeSafe's workflow evaluations.

Collector note confirming TypeSafe's docs index (llms.txt) still lists 30 articles and 18 cookbooks, with no new pages.

Independent article walking through Jev and separating TypeSafe's published claims from public evidence.

Developers Digest release-week roundup of Jev covering the API, evals, an adapter and the agent skill.