Is OpenAI: GPT-4.1 Mini or OpenAI: GPT-5.4 cheaper?
OpenAI: GPT-4.1 Mini is cheaper ($0.058 / 1M tokens input / $0.231 / 1M tokens output) vs OpenAI: GPT-5.4 ($0.47 / 1M tokens input / $2.82 / 1M tokens output). Actual cost depends on your input/output token mix — estimate it with the pricing calculator.