Any tool that tells you the cheapest setup needed to run a model? I want to know the cheapest setup that can realistically run Qwen 3.6 27B at decent speeds.

Reddit r/LocalLLaMA / 5/7/2026

💬 OpinionSignals & Early TrendsTools & Practical Usage

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Key Points

The article is a request for a systematic tool or calculator to estimate the minimum local hardware needed to run a specific model efficiently.
The requester specifically wants guidance for running Qwen 3.6 27B at “decent speeds,” including VRAM needs across different quantization levels.
They also ask for predictions such as whether the model fits on a single GPU versus requiring multi-GPU, expected tokens/sec, and recommended CPU/RAM.
Additional desired outputs include power usage, rough total system cost, and comparisons between using older GPUs (e.g., used 3090s) versus newer cards.
The post notes that benchmarks and community discussions exist but asks whether a more standardized planning tool or database is commonly used for local AI builds.

I’m looking for a tool or calculator that can estimate the minimum hardware needed to run a specific model locally.

For example, I want to know the cheapest setup that can realistically run Qwen 3.6 27B at decent speeds. Ideally something that can tell me:

- Required VRAM for different quantizations

- Whether it fits on a single GPU or needs multiple GPUs

- Expected tokens/sec

- RAM and CPU recommendations

- Power usage and rough total system cost

- Comparisons between setups like used 3090s vs newer cards

Does anything like this exist?

I know there are scattered benchmarks and Reddit posts, but I’m hoping there’s a more systematic tool or database people use when planning a local AI build.

submitted by /u/pacmanpill
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