https://john.onlee.io/en/tags/ai-economics/Recent content in AI cost and pricing on John on LeeHugoen-USThu, 21 May 2026 00:00:00 +0900https://john.onlee.io/en/blog/token-economics/Thu, 21 May 2026 00:00:00 +0900https://john.onlee.io/en/blog/token-economics/Two requests with near-identical input tokens, a 46x cost gap. How prompt caching really works, and why agents should be designed around structured state.https://john.onlee.io/en/blog/claude-opus-economics/Wed, 20 May 2026 00:00:00 +0900https://john.onlee.io/en/blog/claude-opus-economics/Opus prices fell 67% in a year. A weekend of napkin math on GPU costs, batching, and tokenizer overhead to estimate what Anthropic actually makes per token.