01Guide
Choice, Score and Noul: three question types
How to build a Choice, Score or Noul question, what the answers mean, and why a score is not a precisely measured quantity.
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Library
Everything about Jev. Clearly organized.
Explanations, how-tos and practical proposals for developers and online shop operators.
02For developers
How to get access to Jev
TypeSafe, OpenRouter and Vercel: different interfaces to the same model, described without promises of unverified credits.
Open guide03Guide
Alternatives to Jev and running models locally
When to consider Laya, a traditional classifier or a generative model instead of Jev, and what a fair comparison has to include.
Open guide04For developers
Jev API: integration without confusing it with a chat API
The direct TypeSafe API, the route via OpenRouter and a secure adapter design that keeps the API key on the server, not in the browser.
Open guide05Guide
Jev security and data processing
Technical limitations, privacy, contract terms for customer data and telemetry, and the questions to settle before a live Jev pilot.
Open guide06Reference
Jev pricing and technical limits
A dated price list for Jev, the direct API’s token limits and an input-token cost calculator, without misleading comparisons.
Open guide07Guide
What is Jev? A decision model, not another chatbot
A plain-language explanation of Jev by TypeSafe AI and of the difference between a model’s decision and the execution of an action.
Open guide08Guide
Confidence is not a guarantee of truth
How to read Jev’s probabilities and confidence, set thresholds for automatic decisions and design human review into the workflow.
Open guide09Use cases
Jev for e-commerce: from categories to customer support
Proposed pilots for online shop catalogs, product search and customer inquiries, with no false promises about automation.
Open guide10For developers
Jev in agents and developer tools
A decision adapter in agents and developer tools as a supporting signal, not a replacement for permissions and approval steps.
Open guide11Project
About JEV.sk and our methodology
About JEV.sk: independence from TypeSafe AI, how we work with sources, and the limits of the demonstration tools on this site.
Open guide12Guide
Decision model glossary
State, criteria, calibration, escalation, fallback, p50 and p95, and other decision-model terms explained in simple language.
Open guide13Tests
How to test Jev in Slovak
A practical plan for a Slovak-language test set for Jev, with separate data splits and a fair evaluation of the results.
Open guide14Tests
Jev tests: what the numbers prove and what they don’t
How to tell vendor data, a provider’s measurements and future JEV.sk tests apart, and what the published numbers on Jev prove.
Open guide15Guide
TypeSafe AI: the company behind the Jev model
TypeSafe AI’s founders and seed investment, and why we keep company announcements separate from evidence of the model’s quality.
Open guide16Research
Research on Jev: a map of the first preprints
New preprints on Jev and what they focus on, with a clear line between reading an abstract and a verified replication.
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