Calculators
Browser-based calculators for sizing machine learning models. Every number is computed from a primary source and nothing leaves your machine.
LLM memory calculator
Weights, KV cache, gradients, optimizer states and activations for 19 open models, with exact fetched parameter counts, inference and training modes, and a custom-model path.
KV cache size calculator
Per-token KV cache for 19 open models, read from each model's config.json, with a custom-model path and a naive over-report column.