Every weekday a single, opinionated rule for senior C#/.NET engineers using Cursor. Here's the full week in one read — canonical posts live on the Agentic Architect blog.

New essays this week

GLM 5.2 vs Claude Fable 5: agentic coding at a fraction of the cost

Tue 07 Jul · AI models

I ran the same agent task on both. Fable 5 is faster and stronger on benchmarks, but GLM 5.2 finished for $2.76 vs over $10. The honest cost math for running agents on open weights.