OpenAI: GPT-4o (2024-05-13) vs OpenAI: GPT-5.4 Nano

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

SpecOpenAI: GPT-4o (2024-05-13)OpenAI: GPT-5.4 Nano
ProviderOpenAIOpenAI
Context Length128K400K
Max Output4K128K
Input Price/1M$5.00$0.20
Output Price/1M$15$1.25
Cache Read/1MFree$0.02
Cache Write/1MFreeFree
Input ModalitiesText + Image + FileFile + Image + Text
Output ModalitiesTextText
TokenizerGPTGPT
ModeratedYesYes