The Archive

Jev, a System One model, evaluates factuality of AI-generated radiology reports against physician references by checking statement support in both directions.

llm-typesafe 0.1a0 plugin adds support for TypeSafe AI's Jev model to the LLM CLI for structured classification tasks.

Decision-only LLM judge scales evaluation cost-effectively to 0.36% of full-judge fees, matches state-of-the-art on preference tasks, flags uncertain escalations.

REFLEX agent architecture combines fast typed decision layer (Jev) with LLM fallback, achieving 95% task success with 72.7% fewer strong-model calls.

TypeSafe AI unveils Jev, a 'decision model' outputting structured numeric predictions instead of text for classification and confidence scoring.

Diogo Almeida (TypeSafe AI) discusses System One models for production deployment vs. theoretical optimization.

Framework for evaluating semantic decision-making in scientific workflows across twelve model configurations on twenty grounded choices.

Imitation is the sincerest form of Flattery

Jev, a new kind of AI model, is showing developers a cheaper and faster path to software intelligence.

TypeSafe releases Jev, a lightweight classification/routing model claiming 100x+ speed and 200x+ cost reduction vs. frontier LLMs.

I feel a lot of things changing as working software increasingly comes out on a tap. The Jevon's paradox kicks in and I feel my own demand for software growing substantially. You can ask for anything - explainers, visualizers, dashboards, bespoke single-use apps (e.g. a full wandb that is hyper-specific just for your project), you can 10X your test suite, auto-optimize code, run giant research projects with custom HTML for the results, anything! "Free your mind" (Matrix ref). — Andrej Karpathy , on Claude Fable 5 Tags: andrej-karpathy , jevons-paradox , anthropic , generative-ai , ai , ...

Dario Amodei shifts from AI job displacement warnings to Jevon's paradox framing; speculation on whether view change reflects genuine belief update or political/regulatory calculus.