AI INFRASTRUCTURE STACK EVALUATION CHECKLIST ============================================ COMPUTE LAYER 1. Defined latency requirements for inference 2. Cost per inference calculated across all providers 3. GPU availability secured 4. Multi-provider fallback strategy documented 5. Compliance requirements mapped MODEL LAYER 6. Primary and fallback models selected 7. Open vs closed source strategy defined 8. Model routing logic implemented 9. Fine-tuning data pipeline established 10. Prompt versioning system in place