2xStudio
◆ Journal

Engineering insights for ambitious products.

Essays, breakdowns, and lessons from building production AI agents, modern full-stack applications, and automation systems.

Featured post

Coding Is Becoming Tokenmaxxing

AI coding tools have changed software development from typing code to directing code. This essay explores why tokenmaxxing is real, where it works, where it fails, and why engineering judgment still matters.

June 12, 202618 min read
AISoftware EngineeringPromptingStartupsDeveloper Tools
May 26, 2026
8 min read

How to Evaluate Whether Your LLM Is Actually Giving the Right Answer

A detailed guide to evaluating LLM outputs using exact match, semantic checks, factuality, human review, and production-ready scoring pipelines.

LLMEvaluationAI
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May 20, 2026
4 min read

Building Production AI Agents: A Practical Guide

Lessons from shipping multi-agent systems in production — architecture, tool-calling patterns, observability, and the failure modes that actually matter.

AI AgentsArchitectureLLMs
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