OpenAI: gpt-oss-120b vs OpenAI: GPT-5.4 Pro

Side-by-side model comparison based on OpenRouter API data.

SpecOpenAI: gpt-oss-120bOpenAI: GPT-5.4 Pro
ProviderOpenAIOpenAI
Context Length131K1.1M
Max OutputN/A128K
Input Price/1M$0.04$30
Output Price/1M$0.19$180
Cache Read/1MFreeFree
Cache Write/1MFreeFree
Input ModalitiesTextText + Image + File
Output ModalitiesTextText
TokenizerGPTGPT
ModeratedNoYes