Self-Host an LLM on a Rented GPU or Pay per Token? A Break-Even Calculator (2026)Self-hosting on a rented GPU is cheaper than a per-token API only when you keep the GPU busy: the break-even is the hourly GPU price divided by the API’s price per token, expressed as tokens you must 5h ago · 8 min readcloudgpu.hashnode.dev
KV Cache VRAM Calculator: How Much Memory Does Context Length Need? (2026)The KV cache is the memory a transformer uses to remember every token in the context, and its size grows linearly with context length: bytes per token = 2 × layers × KV heads × head dimension × bytes 1d ago · 8 min readcloudgpu.hashnode.dev
