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Articles on AI, product, and engineering

Engineering2026-02-15

Smart Model Routing: How We Cut API Costs by 50%

We built an intelligent routing system that automatically selects the cheapest suitable AI model for every task. Here's how it works.

Product2026-02-01

54 AI Models, One Platform — The Lexu Architecture

We support 54 AI models across 6 categories. This post explains how we unified them all under one API layer.

Design2026-01-20

Building a Fully Bilingual AI Platform with RTL Support

Supporting Arabic alongside English in a complex Next.js app requires more than just translations. Here's what we learned.

Tutorial2026-01-10

Getting the Most Out of AI Image Generation

Tips and tricks to write better prompts, choose the right model, and get stunning results on the first try.