AI & Machine Learning13 min read
The AI SaaS Unit Economics Playbook: Token Margins, Prompt Caching & Real COGS
An engineering-grade breakdown of AI SaaS unit economics in 2026: $/1M token benchmarks, the 90% prompt caching rule, pgvector HNSW infrastructure, and anti-whale pricing to preserve 80%+ gross margins.

Tudor Barbu
October 16, 2026