Local AI Calculators
Free, no-signup tools to size, cost, and plan a local-AI setup - backed by our 74 models and 58 hardware listings.
What Can I Run?
Pick your GPU (or auto-detect it) and instantly see every model that fits - ranked by fit, with quantization options.
Auto-detectFit levelsQuantization
Open toolVRAM Calculator
Model + quantization + context length → exact VRAM needed and the cheapest hardware on the market that runs it.
±10% accurateAll quantsGPU picks
Open toolCost vs Cloud
Compare a local rig (hardware + electricity) to OpenAI / Anthropic / Gemini API spend. Get payback months and 5-year net savings.
Payback period5-yr savingsBreak-even
Open toolLLM Comparison
Side-by-side benchmarks (MMLU, HumanEval, GSM8K), VRAM per quant, context length, and hardware fit across open models.
BenchmarksVRAM/quantHardware fit
Open tool