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15 July 2026

Stratechery (free feed)Article

IBM Misses, IBM’s Mainframe Moat, IBM’s Many AI Problems

The real story per Stratechery's framing is that IBM's mainframe moat is durable but its AI ambitions are not translating into growth, and the market reaction reflects doubts about IBM's ability to monetize AI beyond consulting revenue. For investors watching enterprise AI plays, this is a reminder that legacy vendors with strong lock-in still struggle to pivot narrative into multiple expansion. Read it as a case study in the gap between AI messaging and AI revenue.

Hugging Face BlogArticle

Model Routing Is Simple. Until It Isn’t.

Routing looks trivial until you hit cost, latency and quality tradeoffs across dozens of models and providers, and most teams learn this the hard way in production. If you're running a multi-model stack, this is a useful checklist of failure modes before you build your own router from scratch. Worth reading before committing to an architecture.

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