OpenAI: GPT-4o Audio vs OpenAI: GPT-5.4 Nano

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

SpecOpenAI: GPT-4o AudioOpenAI: GPT-5.4 Nano
ProviderOpenAIOpenAI
Context Length128K400K
Max Output16K128K
Input Price/1M$2.50$0.20
Output Price/1M$10$1.25
Cache Read/1MFree$0.02
Cache Write/1MFreeFree
Input ModalitiesAudio + TextFile + Image + Text
Output ModalitiesText + AudioText
TokenizerGPTGPT
ModeratedYesYes
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