LLM API Total Cost of Ownership: The Metric Every Pricing Table Gets Wrong
Every AI cost comparison ranks models by $/token—OpenAI vs. Google vs. Anthropic by pure sticker price. But a developer who picked GPT-5 nano at $0.05 input because it’s cheapest just locked themselves into a 400K context window, while Gemini 2.5 Flash-Lite offers the same output cost at $0.40 with a 1M token context window—that’s 2.5x