OpenAI: GPT-5 Pro vs OpenAI: GPT-5.4 Mini

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

SpecOpenAI: GPT-5 ProOpenAI: GPT-5.4 Mini
ProviderOpenAIOpenAI
Context Length400K400K
Max Output128K128K
Input Price/1M$15$0.75
Output Price/1M$120$4.50
Cache Read/1MFree$0.07
Cache Write/1MFreeFree
Input ModalitiesImage + Text + FileFile + Image + Text
Output ModalitiesTextText
TokenizerGPTGPT
ModeratedYesYes