Jun 20, 2026 · Artificial Intelligence

Free Model Weights, Yet No Free Intelligence: The AI Compute Debate

A lively debate sparked by a tweet reveals that while open‑source model weights may be free, achieving useful AI still demands costly GPU compute, exposing a gap between benchmark scores, real‑world utility, and the economics of hosting large language models.

AI computeGPU infrastructureOpen source AI

0 likes · 5 min read

Free Model Weights, Yet No Free Intelligence: The AI Compute Debate

Tencent Technical Engineering

Feb 2, 2026 · Artificial Intelligence

Why Neural Networks Are the Hidden Engine Behind Modern AI: From Basics to Large Language Models

This comprehensive guide walks through the fundamentals of neural networks, activation functions, training methods, and how they power large language models, while also covering tokenization, self‑attention, transformer architectures, AI infrastructure, and practical usage through agents and retrieval‑augmented generation.

Agent SystemsArtificial IntelligenceGPU infrastructure

0 likes · 75 min read

Why Neural Networks Are the Hidden Engine Behind Modern AI: From Basics to Large Language Models