zero cost failed requests 4

https://wool-wiki.win/index.php/Understanding_the_DeepSeek_V4_Flash:_A_New_Contender_in_AI_Model_Routing

Zero cost failed requests are a bit of a misnomer because even when a request fails, there's still the cost of the resources consumed before the failure occurred. It's like paying for a product that never arrives. In cloud services, these costs add up silently, often from timeouts or misconfigurations, turning what should be free into hidden expenses.