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Read about our latest product features, solutions, and updates.
How Does Jev Work? RLCD, Calibration and Parallel Questions Explained
How does Jev work? What TypeSafe has published on RLCD training, calibrated probabilities, parallel questions and the context budget, and what it hasn’t.
How to Use Jev AI: Four Ways to Try It and Ship It, Step by Step
How to use Jev AI: where to try it today, how to write questions it answers well, and how to move the same request into code. Five steps, no waitlist.
Is Jev AI Free? Where to Use Jev AI Free, and What It Costs After
Is Jev AI free? Not at scale, but there are free ways to try it. Where Jev AI is free today, what TypeSafe charges, and what real calls cost.
Jev Agent: How to Use Jev AI Inside an AI Agent, Not as One
Jev agent, explained: Jev AI is not an agent but the fast decision step inside one. Where it fits in the loop, five patterns with real numbers, and code.
Jev AI Alternatives: 8 Options Sorted by the Job You Need Done
Looking for a Jev AI alternative? LLM structured outputs, Laya, Kev, SemIf and zero-shot or fine-tuned classifiers, compared by cost, calibration and control.
Jev AI Download: Is There an App, a Local Model or an Ollama Build?
Looking for a Jev AI download? There are no official weights or desktop app. Here is what you can install, what runs locally in Ollama, and what to avoid.
TypeSafe AI Jev Benchmarks: What the Numbers Actually Show
TypeSafe AI Jev benchmarks, sorted: vendor workflow evals, independent tests and our own calls. How smart Jev is, where it wins, and every caveat.
How to Use Jev TypeSafe AI in Cursor and Claude Code (What Actually Works)
How to use Jev TypeSafe AI in Cursor, Claude Code, Codex and Cowork: why it cannot be the coding model, and the four setups that do work, step by step.
Jev GitHub: What TypeSafe Actually Publishes (and What It Doesn't)
Jev GitHub guide: the official TypeSafe AI repos (SDKs, agent skill, evals), what is not there (no weights), and how to spot unofficial lookalike orgs.
LangChain Jev: Using TypeSafeClassifier in Python and JS
LangChain Jev tutorial: install langchain-typesafe, call Jev with TypeSafeClassifier, route agents with its middleware, and avoid the Python vs JS API traps.
Jev OpenAI Connection: Is Jev Made by OpenAI, and How Do They Compare?
Jev OpenAI confusion, answered: Jev is made by TypeSafe AI, not OpenAI. Where the link comes from, how Jev differs from GPT models, and how to use both.
OpenRouter Jev: How to Call typesafe/jev-1.13 Step by Step
OpenRouter Jev guide: Jev is live on OpenRouter as typesafe/jev-1.13. The two APIs that call it, working curl, TypeScript and Python code, costs and gotchas.
Jev AI Reddit Roundup: What 21 Threads Get Right and Wrong
We read the Jev AI Reddit and Hacker News threads: the hype, the "just a classifier" pushback, calibration doubts and access, checked against official docs.
Vercel Jev: How to Set Up Jev on Vercel AI Gateway
Vercel Jev setup guide: call typesafe-ai/jev on Vercel AI Gateway with the AI SDK evaluate API, plain HTTP or the TypeSafe SDK. Working code and pitfalls.
Jev Waitlist Is Gone: How to Get Jev Access Today (Sept 2026)
The Jev waitlist ended in September 2026. The full timeline, how to get Jev access today, and a checklist for when Jev still will not let you in.
TypeSafe AI: The Lab Behind Jev, Its Founders and What It Ships
TypeSafe AI is the San Francisco lab that built Jev. Its founders, the $40M seed, what it ships today, where the docs live, and how it relates to Jev.
Why Can Jev AI Play Doom? How a Decision Model Runs a Game Loop
Why can Jev AI play Doom? It reads game state as text and answers typed questions 10 times a second. The demo, the latency and the cost, explained.
What Is Jev AI? TypeSafe AI's Decision Model, Explained
What is Jev AI? A System One model from TypeSafe AI that returns typed, calibrated decisions instead of text. How it works, what it costs, and when to use it.