# Jeffy playground – play with classifiers you can pip install and run on CPU > Source: > Published: 2026-10-04 14:54:17+00:00 ## Pretrained Classifiers 16 classifiers ready to use. Click a model to try it. doom_fireLive Demo Real-time Doom gameplay classifier (24 game-state features) inbox_routerLive Demo Train and classify emails into Work, Family, Promo, Notifications poker_decisionLive Demo 4 AI players play Texas Hold’em using game-state classifiers sms_spam99.1% SMS spam detection dbpedia96.0% Wikipedia article ontology classification imdb94.8% Movie review sentiment (positive/negative) banking7794.3% Banking customer service intent detection ag_news90.6% News article topic classification sst290.1% Movie review sentiment (positive/negative) clinc_oos88.4% Intent detection with out-of-scope massive_intent88.1% Amazon MASSIVE voice command intents tweet_eval_offensive81.0% Offensive language detection tweet_eval_emotion78.1% Tweet emotion detection emotion75.5% Text emotion detection tweet_eval_sentiment66.2% Tweet sentiment analysis snli65.6% Natural language inference ← Back to catalog ### Labels ### Info ### Try it ### Usage ← Back to catalog doom_fire Real-time Doom gameplay classifier. Extracts 24 game-state features and decides: FIRE, TURN LEFT, or TURN RIGHT. Logistic regression, no neural network, no GPU. 3Classes 24Features <1msLatency CPURuntime 100HP 26Ammo 0Kills 0Enemies 1Episode ### Decision Log ← Back to catalog Inbox Classifier Demo Train an inbox router from 24 labeled examples, then watch it classify new messages in real time. CPU only, no API keys. 4Classes 24Train examples ~50msLatency CPURuntime ### Training Data ### Inbox Incoming Work 0 Family 0 Promo 0 Notifications 0 terminal `pip install jeffy-classify` ### Try it ### Usage ← Back to catalog Poker AI Demo Four AI players play Texas Hold'em. Each decision is a Jeffy classifier running on 18 game-state features. No neural network, no GPU. 4Players 4Actions 18Features <1msClassify 0pot Alice 1000 Bob 1000 Carol 1000 Dave 1000 preflop Hand #1