LLM VRAM Sizer

Model Quantization Context length

Weights

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KV cache

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Estimated VRAM needed

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Recommended GPU

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Rough estimate for llama.cpp-style inference (FP16 KV). Actual usage varies by implementation, FlashAttention and kernel overhead.

This tool is for estimation only and does not constitute financial advice. Actual results vary by fees, taxes and individual circumstances.