Games built with Jev

Play in the browser and compare your score with Jev's. Built with Next.js and Neon, in the Vercel region closest to Jev's API.

Jev fires, another model plans the route. The 40-second launch trailer was made by chatting with an AI video tool.

The code solves; Jev watches your moves, stays quiet while you make progress and steps in with the next algorithm when you're stuck.

No search, no planning: a chess harness hands Jev the position and the moves, and it picks one.

Farmers, builders, nurses, guards and thieves share an island; Jev decides each citizen's next move from their state and surroundings.

Two models steer their own dinosaurs on the same track: dodging, ducking and using shields, while Jev also throws the obstacles.

Jev drives the player (keys and mouse) while a planner sends it instructions and writes new skills after each failure. Under $1 per run.

One Jev controls all four characters, deciding each move in a fraction of a second. 22 million tokens for a few cents.

GLM won in 29 moves, but at ~5.8 s and $0.008 per move against Jev's ~0.3 s and under $0.0001. A lesson in using each for its strengths.

GPT-6 Astra designed the world, Jev chose the actions and H3 Max Turbo turned each round into video: 264 clips in 5 minutes.

Jev fights an open-model clone of itself in an FPS you can watch in the browser.

Jev picks every move, and every time Mario dies the whole VM forks into 4 timelines. Whichever Mario survives becomes canon.

Each model plays its own emulator. Qwen and OpenCV read the board; Jev and Laya choose which card to play and where.

Play 1v1 against Jev. You even go first, and it still never loses.

Two Jevs fight each other in a childhood classic.

DeepSeek V4 Flash plans and Jev acts, fast enough to play live. A weekend build you can open in the browser.

An honest experiment: the game needs ~70 ms, Jev averaged ~650 ms, so the game pauses for each move and the waits are cut out.

Jev is cheap and fast enough to live inside consumer products, games included. Here it plays Codenames.

Codex built the harness and Jev makes the battle calls: very fast, with mixed choices. A full match with decision data and latency.

Play and let Jev call out your habits as a fighter.

Each hand it sees the cards, jokers and blind, then plays or discards in 200–500 ms, and shops after each ante. A full run costs under a cent.

Jev takes on the Pokémon League in Pokémon Gold (HGSS), one button press at a time.

An open-source Snake arena where two Jevs compete; the low latency is what makes it playable.

120 people, 7 roads, 20 businesses, a council and a newspaper. Every hour Jev decides what each person does, works and spends.