ClusterMAX large-pretraining model: rounded range of goodput expense across the three provider scenarios
6–21%modeled
| Value kind | modeled — Interpret this value according to its displayed kind, scope, source, and as-of date. |
|---|---|
| Scope | Scenario outputs for representative provider profiles, not sampled provider loss rates. Goodput expense prices extra rental time or reduced output; it includes fault-tolerance performance overhead and spare capacity as modeled. The rounded range and exact triplet describe this same scenario. |
| As of | 2026-04-20 model; August 2025 pricing basis |
| Source | SemiAnalysis, How Much Do GPU Clusters Really Cost?, April 20, 2026, Scenario 1. · Definitions: Goodput Expense; Scenario 1: Large LLM Pretrain |
| Review | checking…review by 2026-12-08 · standard cadence |
| Recorded changes | last 2026-09-16 · 2 revisions tracked |
| Claim id | reliability-tax-share-of-paid-gpu-hours-lost-to |
Where the guide uses it
- 12.4 SLAs, Goodput Contracts & Availability Commitments
- 14.1 Operational KPIs, Goodput & the Reliability Economics of AI Factories
← Full numbers register — every date-stamped figure in the guide, with revision history.