Field notes on generative AI, architecture, and turning technology into business outcomes. From a former CTO working with enterprise leaders.https://nivraz.com/https://nivraz.com/posts/three-tier-model-routing-on-amazon-bedrock-with-litellm/https://nivraz.com/posts/three-tier-model-routing-on-amazon-bedrock-with-litellm/Send each request to the cheapest Amazon Bedrock model that can answer it, using LiteLLM Auto Router. Lab results: 114 of 120 prompts routed correctly.Mon, 05 Oct 2026 12:00:00 GMThttps://nivraz.com/posts/technology-real-job-shorten-distance-to-value/https://nivraz.com/posts/technology-real-job-shorten-distance-to-value/Every technology wave removes a constraint between an idea and its outcome. With AI, the bottleneck moves from building to deciding what is worth building.Sun, 04 Oct 2026 12:00:00 GMThttps://nivraz.com/posts/when-execution-is-free-judgment-is-everything/https://nivraz.com/posts/when-execution-is-free-judgment-is-everything/GenAI is collapsing the distance between an idea and working software. That changes what technology leaders need to be good at — from execution velocity to decision quality.Sun, 27 Sep 2026 12:00:00 GMT