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A living-world RPG whose NPCs are decided by TypeSafe's Jev judge model; code owns rules, numbers and state.

A browser coffee-delivery arena shooter where TypeSafe AI’s Jev model chooses NPC actions through typed Choice questions.

Observable browser stealth game: Jev makes typed guard judgments while deterministic code owns the world.

TypeScript experiments, evaluations, and latency benchmarks for TypeSafe's Jev model

Observe the accessibility tree, Jev chooses the next action, Stagehand executes.

Val Town demo where 16 typed judgments update live as you type.

Hybrid browser harness: an LLM turns goals into verifiable subgoals, Jev chooses each action and DOM field, Playwright acts.

DeepSeek proposes the next token, TypeSafe's Jev chooses it: a decision model used as a sampler

An instrumented 2048 web lab where every move is a Jev (TypeSafe AI System One) Choice, with no heuristic fallback | 用 Jev 决策模型驱动每一步的 2048 网页实验台，概率、置信度、延迟与成本全部摊开可见，且刻意不做启发式兜底