LLM Inference Cluster Capacity Planning Tool
taherdhanera · x · 2026-07-16
NEO has released an LLM inference infrastructure planner called Infra Sizer to help teams avoid the dilemma of "over-provisioning and wasting money, or under-provisioning and breaking SLAs."
It is a CLI tool that takes the following inputs:
- Model ID
- Expected request volume
- Latency SLA
- Context length
And outputs:
- Recommended GPU instance types
- Number of cards required
- Suitable serving frameworks
- Batching configurations
- Monthly cost estimates
The author emphasizes that to play it safe, many teams chronically over-provision H100s, leading to over $10,000 in unnecessary monthly expenses; conversely, provisioning too tightly triggers latency alerts during peak times. This tool's value lies in shifting capacity planning from guesswork to a calculable engineering process.
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