Is OpenAI: GPT-5 Nano or Qwen3.5 Flash CN cheaper?
Qwen3.5 Flash CN is cheaper ($0.0043 / 1M tokens input / $0.042 / 1M tokens output) vs OpenAI: GPT-5 Nano ($0.0072 / 1M tokens input / $0.058 / 1M tokens output). Actual cost depends on your input/output token mix — estimate it with the pricing calculator.