GPU Sizer
Know which GPU runs your LLM, validated on real hardware
GPU Sizer launched on August 23, 2026.
What it does
Deterministic VRAM math and a validated throughput model for LLM inference GPU sizing. Pick a model, quant, and context length — get a real number for fit, speed, and cost across 100+ GPUs, validated to 11.3% median error against 19 published benchmarks. Free, no card required.
Deterministic VRAM math and validated throughput for LLM inference GPU sizing — know which GPU runs your model before you buy or rent one.
Does a similar job
all alternatives →- IMI made a GPU VRAM calculator for transformer-based models2023 · vram.asmirnov.xyz · ▲135
Can your GPU run this LLM?2023 · github.com · ▲15Calculate token/s & GPU memory requirement for any LLM. Supports llama.cpp/ggml/bnb/QLoRA quantization - RahulSChand/gpu_poor
Llmspeed – feel how fast a local LLM runs before you buy the hardware6d ago · llmspeed.dev · ▲329Pick hardware and a model, and feel the real speed of a local LLM before you buy. Simulates tokens/sec and time-to-first-token from verified benchmarks for GPUs, Macs, and more.
Find the best local LLM for your hardware, ranked by benchmarksMay 2026 · github.com · ▲283Find the local LLM that actually runs and performs best on your hardware. Ranked by real, recency-aware benchmarks, not parameter count. One command, run it instantly. - Andyyyy64/whichllm
LLM StatsOct 2025 · llm-stats.com · ▲293I was overspending on GPT-4o. It was really hard to compare different models I could switch to, so I built this LLM comparison tool. It shows leaderboards, pricing, and performance data across 100+ LLMs (including all major providers and open-source models). Key features: - Live pricing comparisons - Benchmark Scores (MMLU, HumanEval, GPQA, etc.) - Context length vs cost analysis - Speed/throughput tests across providers - Quality vs price visualizations - Open source (all data verifiable) Try it out: https://llmstats.com I'd like to know your opinion :) Tech stack: Next.js,…
SelfHostLLM2025 · selfhostllm.org · ▲134A simple calculator that estimates how many concurrent requests your GPU can handle for a given LLM, with shareable results.
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