AI Fees Blog
Cost optimization, model comparisons and API economics — written by practitioners, refreshed alongside the live pricing data.
Latest posts
A practical playbook: model right-sizing, prompt caching, batch tiers, output capping and the routing pattern that actually moves the needle.
Read the guide →Three production tasks, three frontier models, one cost spreadsheet. Where each one wins and where you're overpaying.
Read the analysis →A 200-token answer can hide 3,000 tokens of thinking. Here's how to measure it, when it's worth it, and when to stay with a regular chat model.
Read the breakdown →50% off sounds great until you realize you waited 18 hours. The decision math behind sync vs batch for real workloads.
Read the math →DeepSeek V3 and Alibaba Qwen offer eye-watering price-to-performance. Latency, reliability, compliance — what to weigh before flipping the switch.
Read the verdict →