OpenAI: o1 vs OpenAI: GPT-5.4 Nano

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

SpecOpenAI: o1OpenAI: GPT-5.4 Nano
ProviderOpenAIOpenAI
Context Length200K400K
Max Output100K128K
Input Price/1M$15$0.20
Output Price/1M$60$1.25
Cache Read/1M$7.50$0.02
Cache Write/1MFreeFree
Input ModalitiesText + Image + FileFile + Image + Text
Output ModalitiesTextText
TokenizerGPTGPT
ModeratedYesYes