Engineering Blog

Stories from the Trenches

How we build CWAI. Lessons learned. Technical deep-dives. Occasional hot takes.

All Articles

Why Flat-Rate Billing Changes Everything for AI Teams

Variable API costs are killing budgets. Here's how CWAI's flat-rate model with hard token budgets gives you predictability without sacrificing flexibility.

Smart Model Routing: Using the Right Model for Every Task

Not every prompt needs GPT-4o. Learn how CWAI's model routing saves 60%+ on costs by automatically selecting the optimal model for each request.

Building a VS Code Extension That Developers Actually Love

Lessons from building the CWAI extension: zero-config setup, inline completions, chat sidebar, and why license-key auth beats OAuth for developer tools.