# Jev Course – Prefill-Only Inference & Decision Models from Scratch

**Published:** October 27, 2026
**Author:** freeCodeCamp.org
**Source:** YouTube — freeCodeCamp AI
**Language:** en-US
**HTML:** https://aiqazaqstan.com/en/articles/jev-course-prefill-only-inference-decision-models-from-scratch

Learn how to build high-speed decision-making pipelines for language models using Jev in PyTorch. This comprehensive course covers both encoder and decoder architectures, custom causal attention masking, and KV-cache reuse to bypass slow autoregressive generation. You will also…

> From the original source: **YouTube — freeCodeCamp AI**
> [Read full article at YouTube — freeCodeCamp AI](https://www.youtube.com/watch?v=aZglGvBPQGs)

**Tags:** #YouTube

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