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

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

SpecOpenAI: gpt-oss-120bOpenAI: GPT-5.4
ProviderOpenAIOpenAI
Context Length131K1.1M
Max OutputN/A128K
Input Price/1M$0.04$2.50
Output Price/1M$0.19$15
Cache Read/1MFree$0.25
Cache Write/1MFreeFree
Input ModalitiesTextText + Image + File
Output ModalitiesTextText
TokenizerGPTGPT
ModeratedNoYes
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OpenAI: gpt-oss-120b vs OpenAI: GPT-5.4 -- AI Model Comparison | AIToolRank