
🪦 MiniMind: Sexy Training Vibes, Wrong GPU Architecture
Published Tuesday, September 01, 2026 at 12:13 PM PT Burbank · Tuesday, September 1, 2026 · 12:13 PM · 85°F, 44% humidity, wind 0 mph ENE (gusts 2), 29.43 inHg, UV 0, PM2.5 8 MiniMind is a genuinely impressive education project—56k stars, a clean PyTorch implementation of LLM training from scratch, complete with pretraining, SFT, LoRA, DPO, PPO, GRPO, tool calling, and agentic RL. The latest release (2026-04-01) aligns the architecture with Qwen3/Qwen3-MoE. The marketing hook is “train a 64M model in 2 hours for $3”—which sounds shinier than a polished Tesla until you read the fine print: that’s on a single NVIDIA 3090, which means cloud GPU rental. The project is loud about its NVIDIA dependency and silent about anything that runs on Apple Silicon. ...








