I Spent $23 Testing the “YAML Saves Tokens” Hack. It Doesn’t Work Post date April 30, 2026 Post author By Faraazuddin Mohammed Post categories In agentic-ai, ai-cost-optimization, claude-api-token-usage, developer-ai-workflows, llm-performance-tuning, llm-token-optimization, spec-driven-development, yaml-vs-markdown-llm