https://hitesh.in/tags/latency/ Recent content in Latency on Dr. Hitesh Sarda Hugo en-US Fri, 10 Jul 2026 00:00:00 +0000 https://hitesh.in/2026/smartest-model-worse-product/ Fri, 10 Jul 2026 00:00:00 +0000 https://hitesh.in/2026/smartest-model-worse-product/ <p>Yesterday OpenAI shipped <a href="https://simonwillison.net/2026/Jul/9/gpt-5-6/">GPT-5.6</a>, a family of three models with a record score on a coding benchmark and a 1.5 million token context window. The feeds did what they always do: everyone raced to re-rank their tools against the new frontier. The most useful AI story I read this week was not about any of that. It was a reading-tutor startup explaining how it <a href="https://www.ello.com/blog/teaching-a-child-in-1000-ms">teaches a child in under a second</a>, and it quietly makes the case that most teams are optimising the wrong number.</p>