Learn how to get started with the OpenRouter API to call multiple AI models through one API, compare responses, switch models ...

tinytorch is the core of PyTorch in 121 lines of Python: a Value that remembers how it was made, backward() that computes every gradient with the chain rule, neurons, layers, a loss and an optimizer.

# autograd ops against pure-ATen autograd references (audit item M4). max_abs = diff.max().item() if diff.numel() else 0.0 mean_abs = diff.mean().item() if diff.numel ...