STRATEGY
Most engineering teams default to building AI infrastructure because they think it's cheaper or more strategic. Almost all of them are wrong. Here's the math that doesn't work — and the one case where building actually makes sense.
Jun 30, 2026 · 8 min read
COST ENGINEERING
Your AI bill arrived this morning. You see the API charges and GPU instances. That's maybe 25% of what you're actually spending. The rest — data cleaning, monitoring, prompt maintenance — doesn't show up on any invoice.
Jun 29, 2026 · 10 min read
BENCHMARK
RLVR-trained models don't cheat. They optimize. New research shows the verifier is the real problem — and why GPT-5.6's ARC-AGI exploit matters.
Jun 29, 2026 · 7 min read