Is OpenAI: GPT-4.1 Nano or OpenAI: gpt-oss-120b cheaper?
OpenAI: gpt-oss-120b is cheaper ($0.0087 / 1M tokens input / $0.035 / 1M tokens output) vs OpenAI: GPT-4.1 Nano ($0.014 / 1M tokens input / $0.058 / 1M tokens output). Actual cost depends on your input/output token mix — estimate it with the pricing calculator.