Jev Model for Fast In-Game Decision Making
TypeSafe's Jev, a fast System One model, makes quick picks from given options. In-game, a rules layer filters legal moves and spells, while Jev chooses where to place runes.
THE JEV GUIDE · CURATED EDITION
Gaming.
Launch news, explanations, demos, and community projects around TypeSafe Jev, organized by topic. Every entry links back to its X source.
Curated selection · Not exhaustive · Updated manually
5419curated posts
2789original videos
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JEV vs DeepSeek in Gostop Match: JEV Cheaper but More Missed Plays
In a real match, JEV lost 17-12 to DeepSeek v4.1 Flash, with 12% missed plays. However, at DeepSeek off-peak pricing, JEV costs 24% less overall, with much lower per-token pricing due to no cache hits.
Jev playing Doom in real time
TypeSafe's Jev model plays the classic game Doom in real time, demonstrating its behavior in real-world scenarios.
AI Avatar v23 adds Jev emotion analysis and activity logs
The developer shares AI Avatar v23, which uses Jev for emotion analysis and adds Claude Code/Codex activity logs; the idle game (Voxel Avatar) also adds hamsters, mushrooms, and clouds.
Testing Jev AI in a Nairobi Matatu Simulation Game
A developer is building a Nairobi Matatu simulation game for tourists and people unfamiliar with the streets, exploring Jev AI's fast real-time decision-making. The project is still a work in progress. Link
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0.6B NanoJev beats Jev in Doom
The post reports that NanoJev, a 0.6B Jev replica, achieved 128/128 on ViZDoom Basic, compared to Jev's 56/128; and 27/128 on the Predict Position task, up from 11/128.
AI Social Deduction Game Gets JEV Brain: 134x Cheaper, 40x Faster than Gemini
The developer swapped the AI social deduction game's brain to TypeSafe JEV. They report it is 134x cheaper and 40x faster than Gemini, but Gemini plays the better villain. Includes play link and full video. Link
TypeSafe AI's Jev Plays Doom
TypeSafe AI demonstrates its Jev model driving real-time Doom gameplay with roughly 10 queries per second, at a cost of about $7 per hour.
Jev-like Model Plays Minecraft
The author trained a 0.8B multimodal decision model that generates keyboard and mouse actions from screen input, running locally on a MacBook at 5 FPS to play Minecraft.
Jev Plays Classic Game Sonny 2
Jev from TypeSafe AI was seen playing the classic ArmorGames title Sonny 2, performing decently yet behaving like a Markov chain.
Visualizing Jev vs Clef Flash Capabilities in an AI-Driven Horror Game
A horror game where AI acts as the brains of an animal parent and child, helping them escape invisible threats, visually demonstrates capability differences between Jev and Cloudflare Clef Flash.
Play Classic Games with Jev AI
Through the TermiX × Jev FC Buddy campaign, the user plays Contra and Battle City in the browser with an AI partner, enjoying co-op gaming with AI. Link
