AI System Design Newsletter
AI EngineeringThe technical connective tissue between the AI hype and actual engineering. Every issue starts with what’s buzzing—from trillion-parameter model launches to the latest custom silicon—and deconstructs it down to the lowest level.
| Platform |  | Pricing | Freemium | Publishes | Twice weekly |
|---|---|---|---|---|---|
| Issues | 23 | Founded | 2 months ago | Last Issue | 3 days ago |
| Active | |||||
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aisysdesign.substack.comLatest Issues
Hyperscaler GPU Superfactories: What xAI, Microsoft, and Google Are Actually Building
The number that changed the pricing conversation
The number that changed the pricing conversation
Pipeline Parallelism: The Bubble Problem and Why 8 GPUs Sometimes Trains Slower Than 4
The 8-GPU regression
The 8-GPU regression
Tensor Parallelism: Why TP=1→TP=4 Gave 2.1× Instead of 4×
The 2.1× problem
The 2.1× problem
The benchmark that made five providers look identical — and what happened when we tested at production concurrency
The benchmark that made five providers look identical
A fintech company’s ML platform team spent three weeks benchmarking inference providers before committing to a production contract. The workload: 500,000 token generations per day...
Updated : Inside Prompt Caching: KV Reuse, Prefixes, and 90% Cost Reductions
The team that cut their API bill by 90% without changing a single line of model code
The team that cut their API bill by 90% without changing a single line of model code
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Whether you’re looking to pivot your career, supercharge your current role, or simply understand the tech shaping our world, AI Engineering is your roadmap.
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